Search

Your search keyword '"Nielsen, Louise D"' showing total 288 results
Start Over Author "Nielsen, Louise D"
288 results on '"Nielsen, Louise D"'

51. NGTS-7Ab: An ultra-short period brown dwarf transiting a tidally-locked and active M dwarf

Author

Jackman, James A. G., Wheatley, Peter J., Bayliss, Dan, Gill, Samuel, Hodgkin, Simon T., Burleigh, Matthew R., Braker, Ian P., Günther, Maximilian N., Louden, Tom, Turner, Oliver, Anderson, David R., Belardi, Claudia, Bouchy, François, Briegal, Joshua T., Bryant, Edward M., Cabrera, Juan, Casewell, Sarah L., Chaushev, Alexander, Costes, Jean C., Csizmadia, Szilard, Eigmüller, Philipp, Erikson, Anders, Gänsicke, Boris T., Gillen, Edward, Goad, Michael R., Jenkins, James S., McCormac, James, Moyano, Maximiliano, Nielsen, Louise D., Pollacco, Don, Poppenhaeger, Katja, Queloz, Didier, Rauer, Heike, Raynard, Liam, Smith, Alexis M. S., Udry, Stéphane, Vines, Jose I., Watson, Christopher A., and West, Richard G.

Subjects
Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Abstract

We present the discovery of NGTS-7Ab, a high mass brown dwarf transiting an M dwarf with a period of 16.2 hours, discovered as part of the Next Generation Transit Survey (NGTS). This is the shortest period transiting brown dwarf around a main or pre-main sequence star to date. The M star host (NGTS-7A) has an age of roughly 55 Myr and is in a state of spin-orbit synchronisation, which we attribute to tidal interaction with the brown dwarf acting to spin up the star. The host star is magnetically active and shows multiple flares across the NGTS and follow up lightcurves, which we use to probe the flare-starspot phase relation. The host star also has an M star companion at a separation of 1.13 arcseconds with very similar proper motion and systemic velocity, suggesting the NGTS-7 system is a hierarchical triple. The combination of tidal synchronisation and magnetic braking is expected to drive ongoing decay of the brown dwarf orbit, with a remaining lifetime of only 5-10 Myr., Comment: 21 pages, 16 figures, accepted for publication in the Monthly Notices of the Royal Astronomical Society

Published
2019
Full Text
View/download PDF

52. NGTS-5b: a highly inflated planet offering insights into the sub-Jovian desert

Author

Eigmüller, Philipp, Chaushev, Alexander, Gillen, Edward, Smith, Alexis, Nielsen, Louise D., Turner, Oliver, Czismadia, Szilard, Smalley, Barry, Bayliss, Daniel, Belardi, Claudia, Bouchy, François, Burleigh, Matthew R., Cabrera, Juan, Casewell, Sarah L., Chazelas, Bruno, Cooke, Benjamin F., Erikson, Anders, Gänsicke, Boris T., Günther, Maximilian N., Goad, Michael R., Grange, Andrew, Jackman, James A. G., Jenkins, James S., McCormac, James, Moyano, Maximiliano, Pollacco, Don, Poppenhaeger, Katja, Queloz, Didier, Raynard, Liam, Rauer, Heike, Udry, Stéphane, Walker, Simon. R., Watson, Christopher A., West, Richard G., and Wheatley, Peter J.

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

Context: Planetary population analysis gives us insight into formation and evolution processes. For short-period planets, the subJovian desert has been discussed in recent years with regard to the planet population in the mass/period and radius/period parameter space without taking stellar parameters into account. The Next Generation Transit Survey (NGTS) is optimised for detecting planets in this regime, which allows for further analysis of the sub-Jovian desert. Aims: With high-precision photometric surveys (e.g. with NGTS and TESS), which aim to detect short period planets especially around M/K-type host stars, stellar parameters need to be accounted for when empirical data are compared to model predictions. Presenting a newly discovered planet at the boundary of the sub-Jovian desert, we analyse its bulk properties and use it to show the properties of exoplanets that border the sub-Jovian desert. Methods: Using NGTS light curve and spectroscopic follow-up observations, we confirm the planetary nature of planet NGTS-5b and determine its mass. Using exoplanet archives, we set the planet in context with other discoveries. Results: NGTS-5b is a short-period planet with an orbital period of 3.3569866 +- 0.0000026 days. With a mass of 0.229 +- 0.037 MJup and a radius of 1.136 +- 0.023 RJup, it is highly inflated. Its mass places it at the upper boundary of the sub-Jovian desert. Because the host is a K2 dwarf, we need to account for the stellar parameters when NGTS-5b is analysed with regard to planet populations. Conclusions: With red-sensitive surveys (e.g. with NGTS and TESS), we expect many more planets around late-type stars to be detected. An empirical analysis of the sub-Jovian desert should therefore take stellar parameters into account., Comment: 10 pages, 12 figures, accepted for publication in A&A

Published
2019
Full Text
View/download PDF

53. NGTS-6b: An Ultra Short Period Hot-Jupiter Orbiting an Old K Dwarf

Author

Vines, Jose I., Jenkins, James S., Acton, Jack S., Briegal, Joshua, Bayliss, Daniel, Bouchy, François, Belardi, Claudia, Bryant, Edward M., Burleigh, Matthew R., Cabrera, Juan, Casewell, Sarah L., Chaushev, Alexander, Cooke, Benjamin F., Csizmadia, Szilard, Eigmüller, Philipp, Erikson, Anders, Foxell, Emma, Gill, Samuel, Gillen, Edward, Goad, Michael R., Jackman, James A. G., King, George W., Louden, Tom, McCormac, James, Moyano, Maximiliano, Nielsen, Louise D., Pollacco, Don, Queloz, Didier, Rauer, Heike, Raynard, Liam, Smith, Alexis M. S., Soto, Maritza G., Tilbrook, Rosanna H., Titz-Weider, Ruth, Turner, Oliver, Udry, Stéphane, Walker, Simon R., Watson, Christopher A., West, Richard G., and Wheatley, Peter J.

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

We report the discovery of a new ultra-short period hot Jupiter from the Next Generation Transit Survey. NGTS-6b orbits its star with a period of 21.17~h, and has a mass and radius of $1.330^{+0.024}_{-0.028}$\mjup\, and $1.271^{+0.197}_{-0.188}$\rjup\, respectively, returning a planetary bulk density of 0.711$^{+0.214}_{-0.136}$~g~cm$^{-3}$. Conforming to the currently known small population of ultra-short period hot Jupiters, the planet appears to orbit a metal-rich star ([Fe/H]$=+0.11\pm0.09$~dex). Photoevaporation models suggest the planet should have lost 5\% of its gaseous atmosphere over the course of the 9.6~Gyrs of evolution of the system. NGTS-6b adds to the small, but growing list of ultra-short period gas giant planets, and will help us to understand the dominant formation and evolutionary mechanisms that govern this population., Comment: 10 pages, 11 figures. Paper accepted for publication in MNRAS

Published
2019
Full Text
View/download PDF

54. HD 213885b: A transiting 1-day-period super-Earth with an Earth-like composition around a bright ($V=7.9$) star unveiled by TESS

Author

Espinoza, Néstor, Brahm, Rafael, Henning, Thomas, Jordán, Andrés, Dorn, Caroline, Rojas, Felipe, Sarkis, Paula, Kossakowski, Diana, Schlecker, Martin, Díaz, Matías, Jenkins, James S., Aguilera-Gomez, Claudia, Jenkins, Jon M., Twicken, Joseph D., Collins, Karen A., Lissauer, Jack, Armstrong, David J., Adibekyan, Vardan, Barrado, David, Barros, Susana C. C., Battley, Matthew, Bayliss, Daniel, Bouchy, François, Bryant, Edward, Cooke, Benjamin F., Demangeon, Olivier D. S., Dumusque, Xavier, Figueira, Pedro, Giles, Helen, Lillo-Box, Jorge, Lovis, Christophe, Nielsen, Louise D., Pepe, Francesco, Pollaco, Don, Santos, Nuno C., Sousa, Sergio G., Udry, Stéphane, Wheatley, Peter J., Turner, Oliver, Marmier, Maxime, Ségransan, Damien, Ricker, George, Latham, David, Seager, Sara, Winn, Joshua N., Kielkopf, John F., Hart, Rhodes, Wingham, Geof, Jensen, Eric L. N., Hełminiak, Krzysztof G., Tokovinin, A., Briceño, C., Ziegler, Carl, Law, Nicholas M., Mann, Andrew W., Daylan, Tansu, Doty, John P., Guerrero, Natalia, Boyd, Patricia, Crossfield, Ian, Morris, Robert L., Henze, Christopher E., and Chacon, Aaron Dean

Subjects
Astrophysics - Earth and Planetary Astrophysics, 85-XX
Abstract

We report the discovery of the 1.008-day, ultra-short period (USP) super-Earth HD 213885b (TOI-141b) orbiting the bright ($V=7.9$) star HD 213885 (TOI-141, TIC 403224672), detected using photometry from the recently launched TESS mission. Using FEROS, HARPS and CORALIE radial-velocities, we measure a precise mass of $8.8\pm0.6$ $M_\oplus$ for this $1.74 \pm 0.05$ $R_\oplus$ exoplanet, which provides enough information to constrain its bulk composition, which is similar to Earth's but enriched in iron. The radius, mass and stellar irradiation of HD 213885b are, given our data, very similar to 55 Cancri e, making this exoplanet a good target to perform comparative exoplanetology of short period, highly irradiated super-Earths. Our precise radial-velocities reveal an additional $4.78$-day signal which we interpret as arising from a second, non-transiting planet in the system, HD 213885c (TOI-141c), whose minimum mass of $19.95\pm 1.4$ $M_\oplus$ makes it consistent with being a Neptune-mass exoplanet. The HD 213885 system is very interesting from the perspective of future atmospheric characterization, being the second brightest star to host an ultra-short period transiting super-Earth (with the brightest star being, in fact, 55 Cancri). Prospects for characterization with present and future observatories are discussed., Comment: MNRAS accepted version

Published
2019
Full Text
View/download PDF

55. Near-resonance in a system of sub-Neptunes from TESS

Author

Quinn, Samuel N., Becker, Juliette C., Rodriguez, Joseph E., Hadden, Sam, Huang, Chelsea X., Morton, Timothy D., Adams, Fred, Armstrong, David, Eastman, Jason D., Horner, Jonathan, Kane, Stephen R., Lissauer, Jack J., Twicken, Joseph D., Vanderburg, Andrew, Wittenmyer, Rob, Ricker, George R., Vanderspek, Roland K., Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Agol, Eric, Barkaoui, Khalid, Beichman, Charles A., Bouchy, François, Bouma, L. G., Burdanov, Artem, Campbell, Jennifer, Carlino, Roberto, Cartwright, Scott M., Charbonneau, David, Christiansen, Jessie L., Ciardi, David, Collins, Karen A., Collins, Kevin I., Conti, Dennis M., Crossfield, Ian J. M., Daylan, Tansu, Dittmann, Jason, Doty, John, Dragomir, Diana, Ducrot, Elsa, Gillon, Michael, Glidden, Ana, Goeke, Robert F., Gonzales, Erica J., Hełminiak, Krzysztof G., Horch, Elliott P., Howell, Steve B., Jehin, Emmanuel, Jensen, Eric L. N., Kielkopf, John F., Kristiansen, Martti H., Law, Nicholas, Mann, Andrew W., Marmier, Maxime, Matson, Rachel A., Matthews, Elisabeth, Mazeh, Tsevi, Mori, Mayuko, Murgas, Felipe, Murray, Catriona, Narita, Norio, Nielsen, Louise D., Ottoni, Gaël, Palle, Enric, Pawłaszek, Rafał, Pepe, Francesco, de Leon, Jerome Pitogo, Pozuelos, Francisco J., Relles, Howard M., Schlieder, Joshua E., Sebastian, Daniel, Ségransan, Damien, Shporer, Avi, Stassun, Keivan G., Tamura, Motohide, Tokovinin, Andrei, Udry, Stéphane, Waite, Ian, and Ziegler, Carl

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

We report the Transiting Exoplanet Survey Satellite ($TESS$) detection of a multi-planet system orbiting the $V=10.9$ K0 dwarf TOI 125. We find evidence for up to five planets, with varying confidence. Three high signal-to-noise transit signals correspond to sub-Neptune-sized planets ($2.76$, $2.79$, and $2.94\ R_{\oplus}$), and we statistically validate the planetary nature of the two inner planets ($P_b = 4.65$ days, $P_c = 9.15$ days). With only two transits observed, we report the outer object ($P_{.03} = 19.98$ days) as a high signal-to-noise ratio planet candidate. We also detect a candidate transiting super-Earth ($1.4\ R_{\oplus}$) with an orbital period of only $12.7$ hours and a candidate Neptune-sized planet ($4.2\ R_{\oplus}$) with a period of $13.28$ days, both at low signal-to-noise. This system is amenable to mass determination via radial velocities and transit timing variations, and provides an opportunity to study planets of similar size while controlling for age and environment. The ratio of orbital periods between TOI 125 b and c ($P_c/P_b = 1.97$) is slightly smaller than an exact 2:1 commensurability and is atypical of multiple planet systems from $Kepler$, which show a preference for period ratios just $wide$ of first-order period ratios. A dynamical analysis refines the allowed parameter space through stability arguments and suggests that, despite the nearly commensurate periods, the system is unlikely to be in resonance., Comment: Submitted to AAS Journals. 20 pages, 10 figures, 5 tables

Published
2019
Full Text
View/download PDF

56. TESS Discovery of an ultra-short-period planet around the nearby M dwarf LHS 3844

Author

Vanderspek, Roland, Huang, Chelsea X., Vanderburg, Andrew, Ricker, George R., Latham, David W., Seager, Sara, Winn, Joshua N., Jenkins, Jon M., Burt, Jennifer, Dittmann, Jason, Newton, Elisabeth, Quinn, Samuel N., Shporer, Avi, Charbonneau, David, Irwin, Jonathan, Ment, Kristo, Winters, Jennifer G., Collins, Karen A., Evans, Phil, Gan, Tianjun, Hart, Rhodes, Jensen, Eric L. N., Kielkopf, John, Mao, Shude, Waalkes, William, Bouchy, François, Marmier, Maxime, Nielsen, Louise D., Ottoni, Gaël, Pepe, Francesco, Ségransan, Damien, Udry, Stéphane, Henry, Todd, Paredes, Leonardo A., James, Hodari-Sadiki, Hinojosa, Rodrigo H., Silverstein, Michele L., Palle, Enric, Berta-Thompson, Zachory, Davies, Misty D., Fausnaugh, Michael, Glidden, Ana W., Pepper, Joshua, Morgan, Edward H., Rose, Mark, Twicken, Joseph D., Villaseñor, Jesus Noel S., and team, the TESS

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

Data from the newly-commissioned \textit{Transiting Exoplanet Survey Satellite} (TESS) has revealed a "hot Earth" around LHS 3844, an M dwarf located 15 pc away. The planet has a radius of $1.32\pm 0.02$ $R_\oplus$ and orbits the star every 11 hours. Although the existence of an atmosphere around such a strongly irradiated planet is questionable, the star is bright enough ($I=11.9$, $K=9.1$) for this possibility to be investigated with transit and occultation spectroscopy. The star's brightness and the planet's short period will also facilitate the measurement of the planet's mass through Doppler spectroscopy., Comment: 10 pages, 4 figures. Submitted to ApJ Letters. This letter makes use of the TESS Alert data, which is currently in a beta test phase, using data from the pipelines at the TESS Science Office and at the TESS Science Processing Operations Center

Published
2018
Full Text
View/download PDF

57. NGTS-4b: A sub-Neptune Transiting in the Desert

Author

West, Richard G., Gillen, Edward, Bayliss, Daniel, Burleigh, Matthew R., Delrez, Laetitia, Günther, Maximilian N., Hodgkin, Simon T., Jackman, James A. G., Jenkins, James S., King, George, McCormac, James, Nielsen, Louise D., Raynard, Liam, Smith, Alexis M. S., Soto, Maritza, Turner, Oliver, Wheatley, Peter J., Almleaky, Yaseen, Armstrong, David J., Belardi, Claudia, Bouchy, François, Briegal, Joshua T., Burdanov, Artem, Cabrera, Juan, Casewel, Sarah L., Chaushev, Alexander, Chazelas, Bruno, Chote, Paul, Cooke, Benjamin F., Csizmadia, Szilard, Ducrot, Elsa, Eigmüller, Philipp, Erikson, Anders, Foxell, Emma, Gänsicke, Boris T., Gillon, Michaël, Goad, Michael R., Jehin, Emmanuël, Lambert, Gregory, Longstaff, Emma S., Louden, Tom, Moyano, Maximiliano, Murray, Catriona, Pollacco, Don, Queloz, Didier, Rauer, Heike, Sohy, Sandrine, Thompson, Samantha J., Udry, Stéphane, Walker, Simon. R., and Watson, Christopher A.

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

We report the discovery of NGTS-4b, a sub-Neptune-sized planet transiting a 13th magnitude K-dwarf in a 1.34d orbit. NGTS-4b has a mass M=$20.6\pm3.0$M_E and radius R=$3.18\pm0.26$R_E, which places it well within the so-called "Neptunian Desert". The mean density of the planet ($3.45\pm0.95$g/cm^3) is consistent with a composition of 100% H$_2$O or a rocky core with a volatile envelope. NGTS-4b is likely to suffer significant mass loss due to relatively strong EUV/X-ray irradiation. Its survival in the Neptunian desert may be due to an unusually high core mass, or it may have avoided the most intense X-ray irradiation by migrating after the initial activity of its host star had subsided. With a transit depth of $0.13\pm0.02$%, NGTS-4b represents the shallowest transiting system ever discovered from the ground, and is the smallest planet discovered in a wide-field ground-based photometric survey., Comment: Submitted to MNRAS

Published
2018
Full Text
View/download PDF

58. NGTS-2b: An inflated hot-Jupiter transiting a bright F-dwarf

Author

Raynard, Liam, Goad, Michael R., Gillen, Edward, Nielsen, Louise D., Watson, Christopher A., Thompson, Andrew P. G., McCormac, James, Bayliss, Daniel, Soto, Maritza, Csizmadia, Szilard, Chaushev, Alexander, Burleigh, Matthew R., Alexander, Richard, Armstrong, David J., Bouchy, François, Briegal, Joshua T., Cabrera, Juan, Casewell, Sarah L., Chazelas, Bruno, Cooke, Benjamin F., Eigmüller, Philipp, Erikson, Anders, Gänsicke, Boris T., Grange, Andrew, Günther, Maximilian N., Hodgkin, Simon T., Hooton, Matthew J., Jenkins, James S., Lambert, Gregory, Louden, Tom, Metrailler, Lionel, Moyano, Maximiliano, Pollacco, Don, Poppenhaeger, Katja, Queloz, Didier, Raddi, Roberto, Rauer, Heike, Read, Andrew M., Smalley, Barry, Smith, Alexis M. S., Turner, Oliver, Udry, Stéphane, Walker, Simon R., West, Richard G., and Wheatley, Peter J.

Subjects
Astrophysics - Earth and Planetary Astrophysics
Abstract

We report the discovery of NGTS-2b, an inflated hot-Jupiter transiting a bright F5V star (2MASS J14202949-3112074; $T_{\rm eff}$=$6478^{+94}_{-89}$ K), discovered as part of the Next Generation Transit Survey (NGTS). The planet is in a P=4.51 day orbit with mass $0.74^{+0.13}_{-0.12}$ M$_{J}$, radius $1.595^{+0.047}_{-0.045}$ R$_{J}$ and density $0.226^{+0.040}_{-0.038}$ g cm$^{-3}$; therefore one of the lowest density exoplanets currently known. With a relatively deep 1.0% transit around a bright V=10.96 host star, NGTS-2b is a prime target for probing giant planet composition via atmospheric transmission spectroscopy. The rapid rotation ($vsin$i=$15.2\pm0.8$ km s$^{-1}$) also makes this system an excellent candidate for Rossiter-McLaughlin follow-up observations, to measure the sky-projected stellar obliquity. NGTS-2b was confirmed without the need for follow-up photometry, due to the high precision of the NGTS photometry., Comment: 12 pages, 8 figures, accepted for publication in MNRAS

Published
2018
Full Text
View/download PDF

59. The Gemini/HST galaxy cluster project: Redshift 0.2-1.0 cluster sample, X-ray data and optical photometry catalog

Author

Jorgensen, Inger, Chiboucas, Kristin, Hibon, Pascale, Nielsen, Louise D., and Takamiya, Marianne

Subjects
Astrophysics - Astrophysics of Galaxies
Abstract

The Gemini/HST Galaxy Cluster Project (GCP) covers 14 z=0.2-1.0 clusters with X-ray luminosity of L_500 >= 10^44 ergs/s in the 0.1-2.4 keV band. In this paper we provide homogeneously calibrated X-ray luminosities, masses and radii, and we present the complete catalog of the ground-based photometry for the GCP clusters. The clusters were observed with Gemini North or South in three or four of the optical passbands g', r', i' and z'. The photometric catalog includes consistently calibrated total magnitudes, colors, and geometrical parameters. The photometry reaches ~25 mag in the passband closest to rest frame B-band. We summarize comparisons of our photometry with data from the Sloan Digital Sky Survey. We describe the sample selection for our spectroscopic observations, and establish the calibrations to obtain rest frame magnitudes and colors. Finally, we derive the color-magnitude relations for the clusters and briefly discuss these in the context of evolution with redshift. Consistent with our results based on spectroscopic data, the color-magnitude relations support passive evolution of the red-sequence galaxies. The absence of change in the slope with redshift, constrains the allowable age variation along the red sequence to <0.05 dex between the brightest cluster galaxies and those four magnitudes fainter. The paper serves as the main reference for the GCP cluster and galaxy selection, X-ray data and ground-based photometry., Comment: Accepted for publication in Astrophysical Journal Supplement. High resolution figures available from the first author. Machine readable version of Table 12 available from the first author

Published
2018
Full Text
View/download PDF

60. NGTS-33b: a young super-Jupiter hosted by a fast-rotating massive hot star.

Author

Alves, Douglas R, Jenkins, James S, Vines, Jose I, Battley, Matthew P, Lendl, Monika, Bouchy, François, Nielsen, Louise D, Gill, Samuel, Moyano, Maximiliano, Anderson, D R, Burleigh, Matthew R, Casewell, Sarah L, Goad, Michael R, Hawthorn, Faith, Kendall, Alicia, McCormac, James, Osborn, Ares, Smith, Alexis M S, Udry, Stéphane, and Wheatley, Peter J

Subjects
NATURAL satellites, SUPERGIANT stars, HOT Jupiters, EMISSION spectroscopy, PLANETARY systems
Abstract

In the last few decades, planet search surveys have been focusing on solar-type stars, and only recently the high-mass regimes. This is mostly due to challenges arising from the lack of instrumental precision, and more importantly, the inherent active nature of fast-rotating massive stars. Here, we report NGTS-33b (TOI-6442b), a super-Jupiter planet with mass, radius, and orbital period of 3.6 |$\pm$| 0.3 M |$_{\rm J}$|⁠ , 1.64 |$\pm$| 0.07 R |$_{\rm J}$|⁠ , and |$2.827\,972 \pm 0.000\,001$|  d, respectively. The host is a fast-rotating (⁠|$0.6654 \pm 0.0006$|  d) and hot (T |$_{\rm eff}$| = 7437 |$\pm$| 72 K) A9V type star, with a mass and radius of 1.60 |$\pm$| 0.11 M |$_{\odot }$| and 1.47 |$\pm$| 0.06 R |$_{\odot }$|⁠ , respectively. Planet structure and gyrochronology models show that NGTS-33 is also very young with age limits of 10–50 Myr. In addition, membership analysis points towards the star being part of the Vela OB2 association, which has an age of |$\sim$| 20–35 Myr, thus providing further evidence about the young nature of NGTS-33. Its low bulk density of 0.19 |$\pm$| 0.03 g cm |$^{-3}$| is 13 per cent smaller than expected when compared to transiting hot Jupiters (HJs) with similar masses. Such cannot be solely explained by its age, where an up to 15 per cent inflated atmosphere is expected from planet structure models. Finally, we found that its emission spectroscopy metric is similar to JWST community targets, making the planet an interesting target for atmospheric follow-up. Therefore, NGTS-33b's discovery will not only add to the scarce population of young, massive and HJs, but will also help place further strong constraints on current formation and evolution models for such planetary systems. [ABSTRACT FROM AUTHOR]

Published
2025
Full Text
View/download PDF

61. The Next Generation Transit Survey (NGTS)

Author

Wheatley, Peter J., West, Richard G., Goad, Michael R., Jenkins, James S., Pollacco, Don L., Queloz, Didier, Rauer, Heike, Udry, Stephane, Watson, Christopher A., Chazelas, Bruno, Eigmuller, Philipp, Lambert, Gregory, Genolet, Ludovic, McCormac, James, Walker, Simon, Armstrong, David J., Bayliss, Daniel, Bento, Joao, Bouchy, Francois, Burleigh, Matthew R., Cabrera, Juan, Casewell, Sarah L., Chaushev, Alexander, Chote, Paul, Csizmadia, Szilard, Erikson, Anders, Faedi, Francesca, Foxell, Emma, Gansicke, Boris T., Gillen, Edward, Grange, Andrew, Gunther, Maximilian N., Hodgkin, Simon T., Jackman, James, Jordan, Andres, Louden, Tom, Metrailler, Lionel, Moyano, Maximiliano, Nielsen, Louise D., Osborn, Hugh P., Poppenhaeger, Katja, Raddi, Roberto, Raynard, Liam, Smith, Alexis M. S., Soto, Maritza, and Titz-Weider, Ruth

Subjects
Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

We describe the Next Generation Transit Survey (NGTS), which is a ground-based project searching for transiting exoplanets orbiting bright stars. NGTS builds on the legacy of previous surveys, most notably WASP, and is designed to achieve higher photometric precision and hence find smaller planets than have previously been detected from the ground. It also operates in red light, maximising sensitivity to late K and early M dwarf stars. The survey specifications call for photometric precision of 0.1 per cent in red light over an instantaneous field of view of 100 square degrees, enabling the detection of Neptune-sized exoplanets around Sun-like stars and super-Earths around M dwarfs. The survey is carried out with a purpose-built facility at Cerro Paranal, Chile, which is the premier site of the European Southern Observatory (ESO). An array of twelve 20cm f/2.8 telescopes fitted with back-illuminated deep-depletion CCD cameras are used to survey fields intensively at intermediate Galactic latitudes. The instrument is also ideally suited to ground-based photometric follow-up of exoplanet candidates from space telescopes such as TESS, Gaia and PLATO. We present observations that combine precise autoguiding and the superb observing conditions at Paranal to provide routine photometric precision of 0.1 per cent in 1 hour for stars with I-band magnitudes brighter than 13. We describe the instrument and data analysis methods as well as the status of the survey, which achieved first light in 2015 and began full survey operations in 2016. NGTS data will be made publicly available through the ESO archive., Comment: 20 pages, 17 Figures, Accepted for publication in MNRAS

Published
2017
Full Text
View/download PDF

62. TOI-2374 b and TOI-3071 b: two metal-rich sub-Saturns well within the Neptunian desert

Author

Hacker, Alejandro, primary, Díaz, Rodrigo F, additional, Armstrong, David J, additional, Fernández, Jorge Fernández, additional, Müller, Simon, additional, Delgado-Mena, Elisa, additional, Sousa, Sérgio G, additional, Adibekyan, Vardan, additional, Stassun, Keivan G, additional, Collins, Karen A, additional, Yee, Samuel W, additional, Bayliss, Daniel, additional, Bieryla, Allyson, additional, Bouchy, François, additional, Butler, R Paul, additional, Crane, Jeffrey D, additional, Dumusque, Xavier, additional, Hartman, Joel D, additional, Helled, Ravit, additional, Jenkins, Jon, additional, Keniger, Marcelo Aron F, additional, Lewis, Hannah, additional, Lillo-Box, Jorge, additional, Lund, Michael B, additional, Nielsen, Louise D, additional, Osborn, Ares, additional, Osip, David, additional, Paegert, Martin, additional, Radford, Don J, additional, Santos, Nuno C, additional, Seager, Sara, additional, Shectman, Stephen A, additional, Srdoc, Gregor, additional, Strøm, Paul A, additional, Tan, Thiam-Guan, additional, Teske, Johanna K, additional, Vezie, Michael, additional, Watanabe, David, additional, Watkins, Cristilyn N, additional, Wheatley, Peter J, additional, Winn, Joshua N, additional, Wohler, Bill, additional, and Ziegler, Carl, additional

Published
2024
Full Text
View/download PDF

63. PandExo: A Community Tool for Transiting Exoplanet Science with JWST & HST

Author

Batalha, Natasha E., Mandell, Avi, Pontoppidan, Klaus, Stevenson, Kevin B., Lewis, Nikole K., Kalirai, Jason, Greene, Thomas, Albert, Loïc, Nielsen, Louise D., and Earl, Nick

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics
Abstract

As we approach the James Webb Space Telescope (JWST) era, several studies have emerged that aim to: 1) characterize how the instruments will perform and 2) determine what atmospheric spectral features could theoretically be detected using transmission and emission spectroscopy. To some degree, all these studies have relied on modeling of JWST's theoretical instrument noise. With under two years left until launch, it is imperative that the exoplanet community begins to digest and integrate these studies into their observing plans, as well as think about how to leverage the Hubble Space Telescope (HST) to optimize JWST observations. In order to encourage this and to allow all members of the community access to JWST & HST noise simulations, we present here an open-source Python package and online interface for creating observation simulations of all observatory-supported time-series spectroscopy modes. This noise simulator, called PandExo, relies on some aspects of Space Telescope Science Institute's Exposure Time Calculator, Pandeia. We describe PandExo and the formalism for computing noise sources for JWST. Then, we benchmark PandExo's performance against each instrument team's independently written noise simulator for JWST, and previous observations for HST. We find that \texttt{PandExo} is within 10% agreement for HST/WFC3 and for all JWST instruments., Comment: 9 pages, 9 figures, accepted PASP

Published
2017
Full Text
View/download PDF

65. TOI-2374 b and TOI-3071 b: two metal-rich sub-Saturns well within the Neptunian desert

Author

Hacker, Alejandro; https://orcid.org/0009-0009-9452-0181, Díaz, Rodrigo F, Armstrong, David J; https://orcid.org/0000-0002-5080-4117, Fernández Fernández, Jorge; https://orcid.org/0000-0002-1416-2188, Müller, Simon, Delgado-Mena, Elisa, Sousa, Sérgio G; https://orcid.org/0000-0001-9047-2965, Adibekyan, Vardan, Stassun, Keivan G; https://orcid.org/0000-0002-3481-9052, Collins, Karen A, Yee, Samuel W, Bayliss, Daniel; https://orcid.org/0000-0001-6023-1335, Bieryla, Allyson; https://orcid.org/0000-0001-6637-5401, Bouchy, François, Butler, R Paul, Crane, Jeffrey D, Dumusque, Xavier, Hartman, Joel D, Helled, Ravit, Jenkins, Jon, Keniger, Marcelo Aron F, Lewis, Hannah; https://orcid.org/0000-0002-7871-085X, Lillo-Box, Jorge, Lund, Michael B, Nielsen, Louise D; https://orcid.org/0000-0002-5254-2499, Osborn, Ares, Osip, David, Paegert, Martin, Radford, Don J, Santos, Nuno C, et al, Hacker, Alejandro; https://orcid.org/0009-0009-9452-0181, Díaz, Rodrigo F, Armstrong, David J; https://orcid.org/0000-0002-5080-4117, Fernández Fernández, Jorge; https://orcid.org/0000-0002-1416-2188, Müller, Simon, Delgado-Mena, Elisa, Sousa, Sérgio G; https://orcid.org/0000-0001-9047-2965, Adibekyan, Vardan, Stassun, Keivan G; https://orcid.org/0000-0002-3481-9052, Collins, Karen A, Yee, Samuel W, Bayliss, Daniel; https://orcid.org/0000-0001-6023-1335, Bieryla, Allyson; https://orcid.org/0000-0001-6637-5401, Bouchy, François, Butler, R Paul, Crane, Jeffrey D, Dumusque, Xavier, Hartman, Joel D, Helled, Ravit, Jenkins, Jon, Keniger, Marcelo Aron F, Lewis, Hannah; https://orcid.org/0000-0002-7871-085X, Lillo-Box, Jorge, Lund, Michael B, Nielsen, Louise D; https://orcid.org/0000-0002-5254-2499, Osborn, Ares, Osip, David, Paegert, Martin, Radford, Don J, Santos, Nuno C, and et al

Abstract

We report the discovery of two transiting planets detected by the Transiting Exoplanet Survey Satellite (TESS), TOI-2374 b and TOI-3071 b, orbiting a K5V and an F8V star, respectively, with periods of 4.31 and 1.27 d, respectively. We confirm and characterize these two planets with a variety of ground-based and follow-up observations, including photometry, precise radial velocity monitoring and high-resolution imaging. The planetary and orbital parameters were derived from a joint analysis of the radial velocities and photometric data. We found that the two planets have masses of (57 ± 4) M⊕ or (0.18 ± 0.01) MJ, and (68 ± 4) M⊕ or (0.21 ± 0.01) MJ, respectively, and they have radii of (6.8 ± 0.3) R⊕ or (0.61 ± 0.03) RJ and (7.2 ± 0.5) R⊕ or (0.64 ± 0.05) RJ, respectively. These parameters correspond to sub-Saturns within the Neptunian desert, both planets being hot and highly irradiated, with Teq ≈ 745 K and Teq ≈ 1812 K, respectively, assuming a Bond albedo of 0.5. TOI-3071 b has the hottest equilibrium temperature of all known planets with masses between 10 and 300 M⊕ and radii less than 1.5 RJ. By applying gas giant evolution models we found that both planets, especially TOI-3071 b, are very metal-rich. This challenges standard formation models which generally predict lower heavy-element masses for planets with similar characteristics. We studied the evolution of the planets’ atmospheres under photoevaporation and concluded that both are stable against evaporation due to their large masses and likely high metallicities in their gaseous envelopes.

Published
2024

66. NGTS-28Ab: a short period transiting brown dwarf

Author

Henderson, Beth A, primary, Casewell, Sarah L, additional, Goad, Michael R, additional, Acton, Jack S, additional, Günther, Maximilian N, additional, Nielsen, Louise D, additional, Burleigh, Matthew R, additional, Belardi, Claudia, additional, Tilbrook, Rosanna H, additional, Turner, Oliver, additional, Howell, Steve B, additional, Clark, Catherine A, additional, Littlefield, Colin, additional, Barkaoui, Khalid, additional, Alves, Douglas R, additional, Anderson, David R, additional, Bayliss, Daniel, additional, Bouchy, Francois, additional, Bryant, Edward M, additional, Dransfield, George, additional, Ducrot, Elsa, additional, Eigmüller, Philipp, additional, Gill, Samuel, additional, Gillen, Edward, additional, Gillon, Michaël, additional, Hawthorn, Faith, additional, Hooton, Matthew J, additional, Jackman, James A G, additional, Jehin, Emmanuel, additional, Jenkins, James S, additional, Kendall, Alicia, additional, Lendl, Monika, additional, McCormac, James, additional, Moyano, Maximiliano, additional, Pedersen, Peter Pihlmann, additional, Pozuelos, Francisco J, additional, Ramsay, Gavin, additional, Sefako, Ramotholo R, additional, Timmermans, Mathilde, additional, Triaud, Amaury H M J, additional, Udry, Stephane, additional, Vines, Jose I, additional, Watson, Christopher A, additional, West, Richard G, additional, Wheatley, Peter J, additional, and Zúñiga-Fernández, Sebastián, additional

Published
2024
Full Text
View/download PDF

67. TOI-332 b: a super dense Neptune found deep within the Neptunian desert

Author

Osborn, Ares, primary, Armstrong, David J, additional, Fernández Fernández, Jorge, additional, Knierim, Henrik, additional, Adibekyan, Vardan, additional, Collins, Karen A, additional, Delgado-Mena, Elisa, additional, Fridlund, Malcolm, additional, Gomes da Silva, João, additional, Hellier, Coel, additional, Jackson, David G, additional, King, George W, additional, Lillo-Box, Jorge, additional, Matson, Rachel A, additional, Matthews, Elisabeth C, additional, Santos, Nuno C, additional, Sousa, Sérgio G, additional, Stassun, Keivan G, additional, Tan, Thiam-Guan, additional, Ricker, George R, additional, Vanderspek, Roland, additional, Latham, David W, additional, Seager, Sara, additional, Winn, Joshua N, additional, Jenkins, Jon M, additional, Bayliss, Daniel, additional, Bouma, Luke G, additional, Ciardi, David R, additional, Collins, Kevin I, additional, Colón, Knicole D, additional, Crossfield, Ian J M, additional, Demangeon, Olivier D S, additional, Díaz, Rodrigo F, additional, Dorn, Caroline, additional, Dumusque, Xavier, additional, Keniger, Marcelo Aron Fetzner, additional, Figueira, Pedro, additional, Gan, Tianjun, additional, Goeke, Robert F, additional, Hadjigeorghiou, Andreas, additional, Hawthorn, Faith, additional, Helled, Ravit, additional, Howell, Steve B, additional, Nielsen, Louise D, additional, Osborn, Hugh P, additional, Quinn, Samuel N, additional, Sefako, Ramotholo, additional, Shporer, Avi, additional, Strøm, Paul A, additional, Twicken, Joseph D, additional, Vanderburg, Andrew, additional, and Wheatley, Peter J, additional

Published
2023
Full Text
View/download PDF

68. Discovery and characterisation of two Neptune-mass planets orbiting HD 212729 with TESS

Author

Armstrong, David J, primary, Osborn, Ares, additional, Adibekyan, Vardan, additional, Delgado-Mena, Elisa, additional, Hojjatpanah, Saeed, additional, Howell, Steve B, additional, Hoyer, Sergio, additional, Knierim, Henrik, additional, Sousa, Sérgio G, additional, Stassun, Keivan G, additional, Veras, Dimitri, additional, Anderson, David R, additional, Bayliss, Daniel, additional, Bouchy, François, additional, Burke, Christopher J, additional, Christiansen, Jessie L, additional, Dumusque, Xavier, additional, Keniger, Marcelo Aron Fetzner, additional, Hadjigeorghiou, Andreas, additional, Hawthorn, Faith, additional, Helled, Ravit, additional, Jenkins, Jon M, additional, Latham, David W, additional, Lillo-Box, Jorge, additional, Nielsen, Louise D, additional, Osborn, Hugh P, additional, Rodrigues, José, additional, Rodriguez, David, additional, Santos, Nuno C, additional, Seager, Sara, additional, Strøm, Paul A, additional, Torres, Guillermo, additional, Twicken, Joseph D, additional, Udry, Stephane, additional, Wheatley, Peter J, additional, and Winn, Joshua N, additional

Published
2023
Full Text
View/download PDF

69. Three Saturn-mass planets transiting F-type stars revealed with TESS and HARPS

Author

Psaridi, Angelica, primary, Bouchy, François, additional, Lendl, Monika, additional, Akinsanmi, Babatunde, additional, Stassun, Keivan G., additional, Smalley, Barry, additional, Armstrong, David J., additional, Howard, Saburo, additional, Ulmer-Moll, Solène, additional, Grieves, Nolan, additional, Barkaoui, Khalid, additional, Rodriguez, Joseph E., additional, Bryant, Edward M., additional, Suárez, Olga, additional, Guillot, Tristan, additional, Evans, Phil, additional, Attia, Omar, additional, Wittenmyer, Robert A., additional, Yee, Samuel W., additional, Collins, Karen A., additional, Zhou, George, additional, Galland, Franck, additional, Parc, Léna, additional, Udry, Stéphane, additional, Figueira, Pedro, additional, Ziegler, Carl, additional, Mordasini, Christoph, additional, Winn, Joshua N., additional, Seager, Sara, additional, Jenkins, Jon M., additional, Twicken, Joseph D., additional, Brahm, Rafael, additional, Jones, Matías I., additional, Abe, Lyu, additional, Addison, Brett, additional, Briceño, César, additional, Briegal, Joshua T., additional, Collins, Kevin I., additional, Daylan, Tansu, additional, Eigmüller, Phillip, additional, Furesz, Gabor, additional, Guerrero, Natalia M., additional, Hagelberg, Janis, additional, Heitzmann, Alexis, additional, Hounsell, Rebekah, additional, Huang, Chelsea X., additional, Krenn, Andreas, additional, Law, Nicholas M., additional, Mann, Andrew W., additional, McCormac, James, additional, Mékarnia, Djamel, additional, Mounzer, Dany, additional, Nielsen, Louise D., additional, Osborn, Ares, additional, Reinarz, Yared, additional, Sefako, Ramotholo R., additional, Steiner, Michal, additional, Strøm, Paul A., additional, Triaud, Amaury H. M. J., additional, Vanderspek, Roland, additional, Vanzi, Leonardo, additional, Vines, Jose I., additional, Watson, Christopher A., additional, Wright, Duncan J., additional, and Zapata, Abner, additional

Published
2023
Full Text
View/download PDF

70. TOI-908: a planet at the edge of the Neptune desert transiting a G-type star

Author

Hawthorn, Faith, primary, Bayliss, Daniel, additional, Armstrong, David J, additional, Fernández Fernández, Jorge, additional, Osborn, Ares, additional, Sousa, Sérgio G, additional, Adibekyan, Vardan, additional, Davoult, Jeanne, additional, Collins, Karen A, additional, Alibert, Yann, additional, Barros, Susana C C, additional, Bouchy, François, additional, Brogi, Matteo, additional, Ciardi, David R, additional, Daylan, Tansu, additional, Delgado Mena, Elisa, additional, Demangeon, Olivier D S, additional, Díaz, Rodrigo F, additional, Gan, Tianjun, additional, Horne, Keith, additional, Hoyer, Sergio, additional, Jenkins, Jon M, additional, Jensen, Eric L N, additional, Kielkopf, John F, additional, Kostov, Veselin, additional, Latham, David W, additional, Levine, Alan M, additional, Lillo-Box, Jorge, additional, Nielsen, Louise D, additional, Osborn, Hugh P, additional, Ricker, George R, additional, Rodrigues, José, additional, Santos, Nuno C, additional, Schwarz, Richard P, additional, Seager, Sara, additional, Serrano Bell, Juan, additional, Shporer, Avi, additional, Stockdale, Chris, additional, Strøm, Paul A, additional, Tenenbaum, Peter, additional, Udry, Stéphane, additional, Wheatley, Peter J, additional, Winn, Joshua N, additional, and Ziegler, Carl, additional

Published
2023
Full Text
View/download PDF

71. TESS spots a mini-neptune interior to a hot saturn in the TOI-2000 system

Author

Sha, Lizhou, primary, Vanderburg, Andrew M, additional, Huang, Chelsea X, additional, Armstrong, David J, additional, Brahm, Rafael, additional, Giacalone, Steven, additional, Wood, Mackenna L, additional, Collins, Karen A, additional, Nielsen, Louise D, additional, Hobson, Melissa J, additional, Ziegler, Carl, additional, Howell, Steve B, additional, Torres-Miranda, Pascal, additional, Mann, Andrew W, additional, Zhou, George, additional, Delgado-Mena, Elisa, additional, Rojas, Felipe I, additional, Abe, Lyu, additional, Trifonov, Trifon, additional, Adibekyan, Vardan, additional, Sousa, Sérgio G, additional, Fajardo-Acosta, Sergio B, additional, Guillot, Tristan, additional, Howard, Saburo, additional, Littlefield, Colin, additional, Hawthorn, Faith, additional, Schmider, François-Xavier, additional, Eberhardt, Jan, additional, Tan, Thiam-Guan, additional, Osborn, Ares, additional, Schwarz, Richard P, additional, Strøm, Paul, additional, Jordán, Andrés, additional, Wang, Gavin, additional, Henning, Thomas, additional, Massey, Bob, additional, Law, Nicholas, additional, Stockdale, Chris, additional, Furlan, Elise, additional, Srdoc, Gregor, additional, Wheatley, Peter J, additional, Barrado Navascués, David, additional, Lissauer, Jack J, additional, Stassun, Keivan G, additional, Ricker, George R, additional, Vanderspek, Roland K, additional, Latham, David W, additional, Winn, Joshua N, additional, Seager, Sara, additional, Jenkins, Jon M, additional, Barclay, Thomas, additional, Bouma, Luke G, additional, Christiansen, Jessie L, additional, Guerrero, Natalia, additional, and Rose, Mark E, additional

Published
2023
Full Text
View/download PDF

72. WASP-193b: An extremely low-density super-Neptune

Author

Barkaoui, Khalid, Pozuelos, Francisco J., Hellier, Coel, Smalley, Barry, Nielsen, Louise D., Dorn, Caroline, Niraula, Prajwal, Gillon, Michaël, de Wit, Julien, Helled, Ravit, Müller, Simon, Jehin, Emmanuel, Demory, Brice-Olivier, Van Grootel, V., Soubkiou, Abderahmane, Ghachoui, Mourad, Anderson, David. R., Benkhaldoun, Zouhair, Bouchy, Francois, Burdanov, Artem, Delrez, Laetitia, Ducrot, Elsa, Garcia, Lionel, Jabiri, Abdelhadi, Lendl, Monika, Maxted, Pierre F. L., Murray, Catriona A., Pedersen, Peter Pihlmann, Queloz, Didier, Sebastian, Daniel, Turner, Oliver, Udry, Stephane, Timmermans, Mathilde, Triaud, Amaury H. M. J., West, Richard G., Barkaoui, Khalid, Pozuelos, Francisco J., Hellier, Coel, Smalley, Barry, Nielsen, Louise D., Dorn, Caroline, Niraula, Prajwal, Gillon, Michaël, de Wit, Julien, Helled, Ravit, Müller, Simon, Jehin, Emmanuel, Demory, Brice-Olivier, Van Grootel, V., Soubkiou, Abderahmane, Ghachoui, Mourad, Anderson, David. R., Benkhaldoun, Zouhair, Bouchy, Francois, Burdanov, Artem, Delrez, Laetitia, Ducrot, Elsa, Garcia, Lionel, Jabiri, Abdelhadi, Lendl, Monika, Maxted, Pierre F. L., Murray, Catriona A., Pedersen, Peter Pihlmann, Queloz, Didier, Sebastian, Daniel, Turner, Oliver, Udry, Stephane, Timmermans, Mathilde, Triaud, Amaury H. M. J., and West, Richard G.

Abstract

Gas giants transiting bright nearby stars are stepping stones for our understanding of planetary system formation and evolution mechanisms. This paper presents a particularly interesting new specimen of this kind of exoplanet discovered by the WASP-South transit survey, WASP-193b. This planet completes an orbit around its Vmag = 12.2 F9 main-sequence host star every 6.25 d. Our analyses found that WASP-193b has a mass of Mp = 0.139 +/- 0.029 M_Jup and a radius of Rp = 1.464 +/- 0.058 R_ Jup, translating into an extremely low density of rhop = 0.059 +\- 0.014 g/cm^3. The planet was confirmed photometrically by the 0.6-m TRAPPIST-South, the 1.0-m SPECULOOS-South telescopes, and the TESS mission, and spectroscopically by the ESO-3.6-m/HARPS and Euler-1.2-m/CORALIE spectrographs. The combination of its large transit depth (dF~1.4 %), its extremely-low density, its high-equilibrium temperature (Teq = 1254 +/- 31 K), and the infrared brightness of its host star (magnitude Kmag=10.7) makes WASP-193b an exquisite target for characterization by transmission spectroscopy (transmission spectroscopy metric: TSM ~ 600). One single JWST transit observation would yield detailed insights into its atmospheric properties and planetary mass, within ~0.1 dex and ~1% (vs ~20% currently with radial velocity data) respectively., Comment: Accepted for publication

Published
2023

73. Spinning up a Daze: TESS Uncovers a Hot Jupiter orbiting the Rapid-Rotator TOI-778

Author

Clark, Jake T., Addison, Brett C., Okumura, Jack, Vach, Sydney, Heitzmann, Alexis, Rodriguez, Joseph E., Wright, Duncan J., Clerte, Mathieu, Brown, Carolyn J., Feterholf, Tara, Wittenmyer, Robert A., Plavchan, Peter, Kane, Stephen R., Horner, Jonathan, Kielkoff, John F., Shporer, Avi, Tinney, C. G., Hui-Gen, Liu, Ballard, Sarah, Bowler, Brendan P., Mengel, Matthew W., Zhou, George, Lee, Annette S., David, Avelyn, Heim, Jessica, Lee, Michele E., Sevilla, Veronica, Zafar, Naqsh E., Hinkel, Natalie R., Allen, Bridgette E., Bayliss, Daniel, Berberyan, Arthur, Berlind, Perry, Bieryla, Allyson, Bouchy, Francois, Brahm, Rafael, Bryant, Edward M., Christiansen, Jessie L., Ciardi, David R., Ciardi, Krys N., Collins, Karen A., Dallant, Jules, Davis, Allen B., Diaz, Matias R., Dressing, Courtney D., Esquerdo, Gilbert A., Harre, Jan-Vincent, Howell, Steve B., Jenkins, Jon M., Jensen, Eric L. N., Jones, Matias I., Jordan, Andres, Latham, David W., Lund, Michael B., McCormac, James, Nielsen, Louise D., Otegi, Jon, Quinn, Samuel N., Radford, Don J., Ricker, George R., Schwarz, Richard P., Seager, Sara, Smith, Alexis M. S., Stockdale, Chris, Tan, Thiam-Guan, Udry, Stephanie, Vanderspek, Roland, Gunther, Maximilian N., Wang, Songhu, Wingham, Geof, Winn, Joshua N., Clark, Jake T., Addison, Brett C., Okumura, Jack, Vach, Sydney, Heitzmann, Alexis, Rodriguez, Joseph E., Wright, Duncan J., Clerte, Mathieu, Brown, Carolyn J., Feterholf, Tara, Wittenmyer, Robert A., Plavchan, Peter, Kane, Stephen R., Horner, Jonathan, Kielkoff, John F., Shporer, Avi, Tinney, C. G., Hui-Gen, Liu, Ballard, Sarah, Bowler, Brendan P., Mengel, Matthew W., Zhou, George, Lee, Annette S., David, Avelyn, Heim, Jessica, Lee, Michele E., Sevilla, Veronica, Zafar, Naqsh E., Hinkel, Natalie R., Allen, Bridgette E., Bayliss, Daniel, Berberyan, Arthur, Berlind, Perry, Bieryla, Allyson, Bouchy, Francois, Brahm, Rafael, Bryant, Edward M., Christiansen, Jessie L., Ciardi, David R., Ciardi, Krys N., Collins, Karen A., Dallant, Jules, Davis, Allen B., Diaz, Matias R., Dressing, Courtney D., Esquerdo, Gilbert A., Harre, Jan-Vincent, Howell, Steve B., Jenkins, Jon M., Jensen, Eric L. N., Jones, Matias I., Jordan, Andres, Latham, David W., Lund, Michael B., McCormac, James, Nielsen, Louise D., Otegi, Jon, Quinn, Samuel N., Radford, Don J., Ricker, George R., Schwarz, Richard P., Seager, Sara, Smith, Alexis M. S., Stockdale, Chris, Tan, Thiam-Guan, Udry, Stephanie, Vanderspek, Roland, Gunther, Maximilian N., Wang, Songhu, Wingham, Geof, and Winn, Joshua N.

Abstract

NASA's Transiting Exoplanet Survey Satellite (TESS) mission, has been uncovering a growing number of exoplanets orbiting nearby, bright stars. Most exoplanets that have been discovered by TESS orbit narrow-line, slow-rotating stars, facilitating the confirmation and mass determination of these worlds. We present the discovery of a hot Jupiter orbiting a rapidly rotating (vsin(i)=35.1±1.0km/s) early F3V-dwarf, HD115447 (TOI-778). The transit signal taken from Sectors 10 and 37 of TESS's initial detection of the exoplanet is combined with follow-up ground-based photometry and velocity measurements taken from Minerva-Australis, TRES, CORALIE and CHIRON to confirm and characterise TOI-778b. A joint analysis of the light curves and the radial velocity measurements yield a mass, radius, and orbital period for TOI-778b of 2.76+0.24−0.23Mjup, 1.370±0.043Rjup and ∼4.63 days, respectively. The planet orbits a bright (V=9.1mag) F3-dwarf with M=1.40±0.05Msun, R=1.70±0.05Rsun, and logg=4.05±0.17. We observed a spectroscopic transit of TOI-778b, which allowed us to derive a sky-projected spin-orbit angle of 18∘±11∘, consistent with an aligned planetary system. This discovery demonstrates the capability of smaller aperture telescopes such as Minerva-Australis to detect the radial velocity signals produced by planets orbiting broad-line, rapidly rotating stars.

Published
2023

74. Discovery and characterization of two Neptune-mass planets orbiting HD 212729 with TESS

Author

Armstrong, David J; https://orcid.org/0000-0002-5080-4117, Osborn, Ares; https://orcid.org/0000-0002-5899-7750, Adibekyan, Vardan, Delgado-Mena, Elisa, Hojjatpanah, Saeed, Howell, Steve B, Hoyer, Sergio; https://orcid.org/0000-0003-3477-2466, Knierim, Henrik, Sousa, Sérgio G; https://orcid.org/0000-0001-9047-2965, Stassun, Keivan G; https://orcid.org/0000-0002-3481-9052, Veras, Dimitri; https://orcid.org/0000-0001-8014-6162, Anderson, David R, Bayliss, Daniel, Bouchy, François, Burke, Christopher J, Christiansen, Jessie L, Dumusque, Xavier, Keniger, Marcelo Aron Fetzner, Hadjigeorghiou, Andreas, Hawthorn, Faith, Helled, Ravit, Jenkins, Jon M, Latham, David W, Lillo-Box, Jorge, Nielsen, Louise D, Osborn, Hugh P, Rodrigues, José, Rodriguez, David, Santos, Nuno C, Seager, Sara, et al, Armstrong, David J; https://orcid.org/0000-0002-5080-4117, Osborn, Ares; https://orcid.org/0000-0002-5899-7750, Adibekyan, Vardan, Delgado-Mena, Elisa, Hojjatpanah, Saeed, Howell, Steve B, Hoyer, Sergio; https://orcid.org/0000-0003-3477-2466, Knierim, Henrik, Sousa, Sérgio G; https://orcid.org/0000-0001-9047-2965, Stassun, Keivan G; https://orcid.org/0000-0002-3481-9052, Veras, Dimitri; https://orcid.org/0000-0001-8014-6162, Anderson, David R, Bayliss, Daniel, Bouchy, François, Burke, Christopher J, Christiansen, Jessie L, Dumusque, Xavier, Keniger, Marcelo Aron Fetzner, Hadjigeorghiou, Andreas, Hawthorn, Faith, Helled, Ravit, Jenkins, Jon M, Latham, David W, Lillo-Box, Jorge, Nielsen, Louise D, Osborn, Hugh P, Rodrigues, José, Rodriguez, David, Santos, Nuno C, Seager, Sara, and et al

Abstract

We report the discovery of two exoplanets orbiting around HD 212729 (TOI 1052, TIC 317060587), a Teff = 6146 K star with V = 9.51 observed by TESS in Sectors 1 and 13. One exoplanet, TOI-1052b, is Neptune-mass and transits the star, and an additional planet TOI-1052c is observed in radial velocities but not seen to transit. We confirm the planetary nature of TOI-1052b using precise radial velocity observations from HARPS and determined its parameters in a joint RV and photometry analysis. TOI-1052b has a radius of $2.87^{+0.29}_{-0.24}$ R⊕, a mass of 16.9 ± 1.7 M⊕, and an orbital period of 9.14 d. TOI-1052c does not show any transits in the TESS data, and has a minimum mass of $34.3^{+4.1}_{-3.7}$ M⊕ and an orbital period of 35.8 d, placing it just interior to the 4:1 mean-motion resonance. Both planets are best fit by relatively high but only marginally significant eccentricities of $0.18^{+0.09}_{-0.07}$ for planet b and $0.24^{+0.09}_{-0.08}$ for planet c. We perform a dynamical analysis and internal structure model of the planets as well as deriving stellar parameters and chemical abundances. The mean density of TOI-1052b is $3.9^{+1.7}_{-1.3}$ g cm−3 consistent with an internal structure similar to Neptune. A nearby star is observed in Gaia DR3 with the same distance and proper motion as TOI-1052, at a sky projected separation of $\scriptstyle \sim$1500 au, making this a potential wide binary star system.

Published
2023

75. TOI-2498 b: a hot bloated super-Neptune within the Neptune desert

Author

Frame, Ginger, primary, Armstrong, David J, additional, Cegla, Heather M, additional, Fernández Fernández, Jorge, additional, Osborn, Ares, additional, Adibekyan, Vardan, additional, Collins, Karen A, additional, Delgado Mena, Elisa, additional, Giacalone, Steven, additional, Kielkopf, John F, additional, Santos, Nuno C, additional, Sousa, Sérgio G, additional, Stassun, Keivan G, additional, Ziegler, Carl, additional, Anderson, David R, additional, Barros, Susana C C, additional, Bayliss, Daniel, additional, Briceño, César, additional, Conti, Dennis M, additional, Dressing, Courtney D, additional, Dumusque, Xavier, additional, Figueira, Pedro, additional, Fong, William, additional, Gill, Samuel, additional, Hawthorn, Faith, additional, Jenkins, Jon M, additional, Jensen, Eric L N, additional, Keniger, Marcelo Aron F, additional, Latham, David W, additional, Law, Nicholas, additional, Lissauer, Jack J, additional, Mann, Andrew W, additional, Nielsen, Louise D, additional, Osborn, Hugh, additional, Paegert, Martin, additional, Seager, Sara, additional, Schwarz, Richard P, additional, Shporer, Avi, additional, Srdoc, Gregor, additional, Strøm, Paul A, additional, Winn, Joshua N, additional, and Wheatley, Peter J, additional

Published
2023
Full Text
View/download PDF

76. Spinning up a Daze: TESS Uncovers a Hot Jupiter Orbiting the Rapid Rotator TOI-778

Author

Clark, Jake T., primary, Addison, Brett C., additional, Okumura, Jack, additional, Vach, Sydney, additional, Errico, Adriana, additional, Heitzmann, Alexis, additional, Rodriguez, Joseph E., additional, Wright, Duncan J., additional, Clerté, Mathieu, additional, Brown, Carolyn J., additional, Fetherolf, Tara, additional, Wittenmyer, Robert A., additional, Plavchan, Peter, additional, Kane, Stephen R., additional, Horner, Jonathan, additional, Kielkopf, John F., additional, Shporer, Avi, additional, Tinney, C. G., additional, Hui-Gen, Liu, additional, Ballard, Sarah, additional, Bowler, Brendan P., additional, Mengel, Matthew W., additional, Zhou, George, additional, Lee, Annette S., additional, David, Avelyn, additional, Heim, Jessica, additional, Lee, Michele E., additional, Sevilla, Verónica, additional, Zafar, Naqsh E., additional, Hinkel, Natalie R., additional, Allen, Bridgette E., additional, Bayliss, Daniel, additional, Berberyan, Arthur, additional, Berlind, Perry, additional, Bieryla, Allyson, additional, Bouchy, François, additional, Brahm, Rafael, additional, Bryant, Edward M., additional, Christiansen, Jessie L., additional, Ciardi, David R., additional, Ciardi, Krys N., additional, Collins, Karen A., additional, Dallant, Jules, additional, Davis, Allen B., additional, Díaz, Matías R., additional, Dressing, Courtney D., additional, Esquerdo, Gilbert A., additional, Harre, Jan-Vincent, additional, Howell, Steve B., additional, Jenkins, Jon M., additional, Jensen, Eric L. N., additional, Jones, Matías I., additional, Jordán, Andrés, additional, Latham, David W., additional, Lund, Michael B., additional, McCormac, James, additional, Nielsen, Louise D., additional, Otegi, Jon, additional, Quinn, Samuel N., additional, Radford, Don J., additional, Ricker, George R., additional, Schwarz, Richard P., additional, Seager, Sara, additional, Smith, Alexis M. S., additional, Stockdale, Chris, additional, Tan, Thiam-Guan, additional, Udry, Stéphane, additional, Vanderspek, Roland, additional, Günther, Maximilian N., additional, Wang, Songhu, additional, Wingham, Geof, additional, and Winn, Joshua N., additional

Published
2023
Full Text
View/download PDF

77. Empirical determination of the lithium 6707.856 Å wavelength in young stars

Author

Campbell-White, Justyn, primary, Manara, Carlo F., additional, Sicilia-Aguilar, Aurora, additional, Frasca, Antonio, additional, Nielsen, Louise D., additional, Christian Schneider, P., additional, Nisini, Brunella, additional, Bayo, Amelia, additional, Ercolano, Barbara, additional, Ábrahám, Péter, additional, Claes, Rik, additional, Fang, Min, additional, Fedele, Davide, additional, and Filipe Gameiro, Jorge, additional

Published
2023
Full Text
View/download PDF

78. Author Correction: An ultrahot Neptune in the Neptune desert

Author

Jenkins, James S., Díaz, Matías R., Kurtovic, Nicolás T., Espinoza, Néstor, Vines, Jose I., Rojas, Pablo A. Peña, Brahm, Rafael, Torres, Pascal, Cortés-Zuleta, Pía, Soto, Maritza G., Lopez, Eric D., King, George W., Wheatley, Peter J., Winn, Joshua N., Ciardi, David R., Ricker, George, Vanderspek, Roland, Latham, David W., Seager, Sara, Jenkins, Jon M., Beichman, Charles A., Bieryla, Allyson, Burke, Christopher J., Christiansen, Jessie L., Henze, Christopher E., Klaus, Todd C., McCauliff, Sean, Mori, Mayuko, Narita, Norio, Nishiumi, Taku, Tamura, Motohide, de Leon, Jerome Pitogo, Quinn, Samuel N., Villaseñor, Jesus Noel, Vezie, Michael, Lissauer, Jack J., Collins, Karen A., Collins, Kevin I., Isopi, Giovanni, Mallia, Franco, Ercolino, Andrea, Petrovich, Cristobal, Jordán, Andrés, Acton, Jack S., Armstrong, David J., Bayliss, Daniel, Bouchy, François, Belardi, Claudia, Bryant, Edward M., Burleigh, Matthew R., Cabrera, Juan, Casewell, Sarah L., Chaushev, Alexander, Cooke, Benjamin F., Eigmüller, Philipp, Erikson, Anders, Foxell, Emma, Gänsicke, Boris T., Gill, Samuel, Gillen, Edward, Günther, Maximilian N., Goad, Michael R., Hooton, Matthew J., Jackman, James A. G., Louden, Tom, McCormac, James, Moyano, Maximiliano, Nielsen, Louise D., Pollacco, Don, Queloz, Didier, Rauer, Heike, Raynard, Liam, Smith, Alexis M. S., Tilbrook, Rosanna H., Titz-Weider, Ruth, Turner, Oliver, Udry, Stéphane, Walker, Simon. R., Watson, Christopher A., West, Richard G., Palle, Enric, Ziegler, Carl, Law, Nicholas, and Mann, Andrew W.

Published
2020
Full Text
View/download PDF

79. TOI-836: A super-Earth and mini-Neptune transiting a nearby K-dwarf

Author

Hawthorn, Faith, Bayliss, Daniel, Wilson, Thomas G, Bonfanti, Andrea, Adibekyan, Vardan, Alibert, Yann, Sousa, Sérgio G, Collins, Karen A, Bryant, Edward M, Osborn, Ares, Armstrong, David J, Abe, Lyu, Acton, Jack S, Addison, Brett C, Agabi, Karim, Alonso, Roi, Alves, Douglas R, Anglada-Escudé, Guillem, Bárczy, Tamas, Barclay, Thomas, Barrado, David, Barros, Susana C C, Baumjohann, Wolfgang, Bendjoya, Philippe, Benz, Willy, Bieryla, Allyson, Bonfils, Xavier, Bouchy, François, Brandeker, Alexis, Broeg, Christopher, Brown, David J A, Burleigh, Matthew R, Buttu, Marco, Cabrera, Juan, Caldwell, Douglas A, Casewell, Sarah L, Charbonneau, David, Charnoz, Sébastian, Cloutier, Ryan, Cameron, Andrew Collier, Collins, Kevin I, Conti, Dennis M, Crouzet, Nicolas, Czismadia, Szilárd, Davies, Melvyn B, Deleuil, Magali, Delgado-Mena, Elisa, Delrez, Laetitia, Demangeon, Olivier D S, Demory, Brice-Olivier, Dransfield, Georgina, Dumusque, Xavier, Egger, Jo Ann, Ehrenreich, David, Eigmüller, Philipp, Erickson, Anders, Essack, Zahra, Fortier, Andrea, Fossati, Luca, Fridlund, Malcolm, Günther, Maximilian N, Güdel, Manuel, Gandolfi, Davide, Gillard, Harvey, Gillon, Michaël, Gnilka, Crystal, Goad, Michael R, Goeke, Robert F, Guillot, Tristan, Hadjigeorghiou, Andreas, Hellier, Coel, Henderson, Beth A, Heng, Kevin, Hooton, Matthew J, Horne, Keith, Howell, Steve B, Hoyer, Sergio, Irwin, Jonathan M, Jenkins, James S, Jenkins, Jon M, Jensen, Eric L N, Kane, Stephen R, Kendall, Alicia, Kielkopf, John F, Kiss, Laszlo L, Lacedelli, Gaia, Laskar, Jacques, Latham, David W, Etangs, Alain Lecavalier des, Leleu, Adrien, Lendl, Monika, Lillo-Box, Jorge, Lovis, Christophe, Mékarnia, Djamel, Massey, Bob, Masters, Tamzin, Maxted, Pierre F L, Nascimbeni, Valerio, Nielsen, Louise D, O’Brien, Sean M, Olofsson, Göran, Osborn, Hugh Patrick, Pagano, Isabella, Pallé, Enric, Persson, Carina M, Piotto, Giampaolo, Plavchan, Peter, Pollacco, Don, Queloz, Didier, Ragazzoni, Roberto, Rauer, Heike, Ribas, Ignasi, Ricker, George, Ségransan, Damien, Salmon, Sébastien, Santerne, Alexandre, Santos, Nuno C, Scandariato, Gaetano, Schmider, François-Xavier, Schwarz, Richard P, Seager, Sara, Shporer, Avi, Simon, Attila, Smith, Alexis M S, Srdoc, Gregor, Steller, Manfred, Suarez, Olga, Szabó, Gyula M, Teske, Johanna, Thomas, Nicolas, Tilbrook, Rosanna H, Triaud, Amaury H M J, Udry, Stéphane, Van Grootel, Valérie, Walton, Nicholas, Wang, Sharon X, Wheatley, Peter J, Winn, Joshua N, Wittenmyer, Robert A, Zhang, Hui, Observatoire de la Côte d'Azur (OCA), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Centre National d'Études Spatiales [Toulouse] (CNES)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Météo-France -Institut national des sciences de l'Univers (INSU - CNRS)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Université Grenoble Alpes (UGA)-Météo-France, Institut de Physique du Globe de Paris (IPGP (UMR_7154)), Institut national des sciences de l'Univers (INSU - CNRS)-Université de La Réunion (UR)-Institut de Physique du Globe de Paris (IPG Paris)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité), Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), Institut de Mécanique Céleste et de Calcul des Ephémérides (IMCCE), Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Lille-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Institut d'Astrophysique de Paris (IAP), Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Science & Technology Facilities Council, University of St Andrews. School of Physics and Astronomy, and University of St Andrews. St Andrews Centre for Exoplanet Science

Subjects
planets and satellites: detection, 530 Physics, individual: TOI-836 ((TIC 440887364, GAIA EDR3 6230733559097425152) [Stars], FOS: Physical sciences, 610 Medicine & health, techniques: photometric, techniques: radial velocities, QB Astronomy, QC, QB, MCC, Earth and Planetary Astrophysics (astro-ph.EP), radial velocities [Techniques], 520 Astronomy, photometric [Techniques], GAIA EDR3 6230733559097425152), Astronomy and Astrophysics, DAS, 620 Engineering, detection [Planets and satellites], QC Physics, Space and Planetary Science, [SDU]Sciences of the Universe [physics], 570 Life sciences, biology, stars: individual: TOI-836 (TIC 440887364, Astrophysics - Earth and Planetary Astrophysics
Abstract

Funding: TGW, ACC, and KH acknowledge support from STFC consolidated grant numbers ST/R000824/1 and ST/V000861/1, and UKSA grant ST/R003203/1. We present the discovery of two exoplanets transiting TOI-836 (TIC 440887364) using data from TESS Sector 11 and Sector 38. TOI-836 is a bright (T = 8.5 mag), high proper motion (∼200 mas yr−1), low metallicity ([Fe/H]≈−0.28) K-dwarf with a mass of 0.68 ± 0.05 M⊙ and a radius of 0.67 ± 0.01 R⊙. We obtain photometric follow-up observations with a variety of facilities, and we use these data-sets to determine that the inner planet, TOI-836 b, is a 1.70 ± 0.07 R⊕ super-Earth in a 3.82 day orbit, placing it directly within the so-called ‘radius valley’. The outer planet, TOI-836 c, is a 2.59 ± 0.09 R⊕ mini-Neptune in an 8.60 day orbit. Radial velocity measurements reveal that TOI-836 b has a mass of 4.5 ± 0.9 M⊕, while TOI-836 c has a mass of 9.6 ± 2.6 M⊕. Photometric observations show Transit Timing Variations (TTVs) on the order of 20 minutes for TOI-836 c, although there are no detectable TTVs for TOI-836 b. The TTVs of planet TOI-836 c may be caused by an undetected exterior planet. Publisher PDF

Published
2023
Full Text
View/download PDF

80. A Low-mass, Pre-main-sequence Eclipsing Binary in the 40 Myr Columba Association—Fundamental Stellar Parameters and Modeling the Effect of Star Spots

Author

Tofflemire, Benjamin M., primary, Kraus, Adam L., additional, Mann, Andrew W., additional, Newton, Elisabeth R., additional, Gully-Santiago, Michael A., additional, Vanderburg, Andrew, additional, Waalkes, William C., additional, Berta-Thompson, Zachory K., additional, Collins, Kevin I., additional, Collins, Karen A., additional, Nielsen, Louise D., additional, Bouchy, François, additional, Ziegler, Carl, additional, Briceño, César, additional, and Law, Nicholas M., additional

Published
2023
Full Text
View/download PDF

82. TESS spots a mini- interior to a hot saturn in the TOI-2000 system.

Author

Sha, Lizhou, Vanderburg, Andrew M, Huang, Chelsea X, Armstrong, David J, Brahm, Rafael, Giacalone, Steven, Wood, Mackenna L, Collins, Karen A, Nielsen, Louise D, Hobson, Melissa J, Ziegler, Carl, Howell, Steve B, Torres-Miranda, Pascal, Mann, Andrew W, Zhou, George, Delgado-Mena, Elisa, Rojas, Felipe I, Abe, Lyu, Trifonov, Trifon, and Adibekyan, Vardan

Subjects
MARKOV chain Monte Carlo, INNER planets, HOT Jupiters, SPECKLE interferometry, SATURN (Planet), PLANETARY mass
Abstract

Hot jupiters (P < 10 d, M > 60 M⊕) are almost always found alone around their stars, but four out of hundreds known have inner companion planets. These rare companions allow us to constrain the hot jupiter's formation history by ruling out high-eccentricity tidal migration. Less is known about inner companions to hot Saturn-mass planets. We report here the discovery of the TOI-2000 system, which features a hot Saturn-mass planet with a smaller inner companion. The mini-neptune TOI-2000 b (2.70 ± 0.15 R⊕, 11.0 ± 2.4 M⊕) is in a 3.10-d orbit, and the hot saturn TOI-2000 c (⁠|$8.14_{-0.30}^{+0.31}$|  R⊕ , |$81.7_{-4.6}^{+4.7}$|  M⊕) is in a 9.13-d orbit. Both planets transit their host star TOI-2000 (TIC 371188886, V  = 10.98, TESS magnitude = 10.36), a metal-rich ([Fe/H] = 0.439 |$_{-0.043}^{+0.041}$|⁠) G dwarf  173 pc away. TESS observed the two planets in sectors 9–11 and 36–38, and we followed up with ground-based photometry, spectroscopy, and speckle imaging. Radial velocities from CHIRON, FEROS, and HARPS allowed us to confirm both planets by direct mass measurement. In addition, we demonstrate constraining planetary and stellar parameters with MIST stellar evolutionary tracks through Hamiltonian Monte Carlo under the PyMC framework, achieving higher sampling efficiency and shorter run time compared to traditional Markov chain Monte Carlo. Having the brightest host star in the V band among similar systems, TOI-2000 b and c are superb candidates for atmospheric characterization by the JWST , which can potentially distinguish whether they formed together or TOI-2000 c swept along material during migration to form TOI-2000 b. [ABSTRACT FROM AUTHOR]

Published
2023
Full Text
View/download PDF

83. The discovery of three hot Jupiters, NGTS-23b, 24b, and 25b, and updated parameters for HATS-54b from the Next Generation Transit Survey

Author

Jackson, David G, primary, Watson, Christopher A, additional, de Mooij, Ernst J W, additional, Acton, Jack S, additional, Alves, Douglas R, additional, Anderson, David R, additional, Armstrong, David J, additional, Bayliss, Daniel, additional, Belardi, Claudia, additional, Bouchy, François, additional, Bryant, Edward M, additional, Burleigh, Matthew R, additional, Casewell, Sarah L, additional, Costes, Jean C, additional, Eigmüller, Phillip, additional, Goad, Michael R, additional, Gill, Samuel, additional, Gillen, Edward, additional, Günther, Maximilian N, additional, Hawthorn, Faith, additional, Henderson, Beth A, additional, Jackman, James A G, additional, Jenkins, James S, additional, Lendl, Monika, additional, Kendall, Alicia, additional, McCormac, James, additional, Moyano, Maximiliano, additional, Nielsen, Louise D, additional, Osborn, Ares, additional, Sefako, Ramotholo R, additional, Smith, Alexis M S, additional, Tilbrook, Rosanna H, additional, Turner, Oliver, additional, Udry, Stéphane, additional, Vines, Jose I, additional, West, Richard G, additional, Wheatley, Peter J, additional, and Worters, Hannah, additional

Published
2022
Full Text
View/download PDF

84. NGTS-21b: an inflated Super-Jupiter orbiting a metal-poor K dwarf

Author

Alves, Douglas R, primary, Jenkins, James S, additional, Vines, Jose I, additional, Nielsen, Louise D, additional, Gill, Samuel, additional, Acton, Jack S, additional, Anderson, D R, additional, Bayliss, Daniel, additional, Bouchy, François, additional, Breytenbach, Hannes, additional, Bryant, Edward M, additional, Burleigh, Matthew R, additional, Casewell, Sarah L, additional, Eigmüller, Philipp, additional, Gillen, Edward, additional, Goad, Michael R, additional, Günther, Maximilian N, additional, Henderson, Beth A, additional, Kendall, Alicia, additional, Lendl, Monika, additional, Moyano, Maximiliano, additional, Sefako, Ramotholo R, additional, Smith, Alexis M S, additional, Costes, Jean C, additional, Tilbrook, Rosanne H, additional, Thomas, Jessymol K, additional, Udry, Stéphane, additional, Watson, Christopher A, additional, West, Richard G, additional, Wheatley, Peter J, additional, Worters, Hannah L, additional, and Osborn, Ares, additional

Published
2022
Full Text
View/download PDF

85. Transmission spectroscopy of the ultra-hot Jupiter MASCARA-4 b

Author

Zhang, Yapeng, primary, Snellen, Ignas A. G., additional, Wyttenbach, Aurèlien, additional, Nielsen, Louise D., additional, Lendl, Monika, additional, Casasayas-Barris, Núria, additional, Chaverot, Guillaume, additional, Kesseli, Aurora Y., additional, Lovis, Christophe, additional, Pepe, Francesco A., additional, Psaridi, Angelica, additional, Seidel, Julia V., additional, Udry, Stéphane, additional, and Ulmer-Moll, Solène, additional

Published
2022
Full Text
View/download PDF

87. WASP-193b: An extremely low-density super-Neptune

Author

Barkaoui, Khalid, primary, Pozuelos, Francisco, additional, Hellier, Coel, additional, Smalley, Barry, additional, Nielsen, Louise D., additional, Dorn, Caroline, additional, Gillon, Michaël, additional, Helled, Ravit, additional, Müller, Simon, additional, Jehin, Emmanuel, additional, Demory, Brice-Olivier, additional, Niraula, Prajwal, additional, Soubkiou, Abderahmane, additional, Ghachoui, Mourad, additional, Anderson, David. R., additional, Benkhaldoun, Zouhair, additional, Bouchy, Francois, additional, Burdanov, Artem, additional, de Wit, Julien, additional, Delrez, Laetitia, additional, Ducrot, Elsa, additional, Garcia, Lionel, additional, Jabiri, Abdelhadi, additional, Lendl, Monika, additional, Maxted, Pierre, additional, Murray, Catriona, additional, Pedersen, Peter, additional, Queloz, Didier, additional, Sebastian, Daniel, additional, Turner, Oliver, additional, Udry, Stéphane, additional, Timmermans, Mathilde, additional, Triaud, Amaury, additional, and West, Richard, additional

Published
2022
Full Text
View/download PDF

88. A pair of sub-Neptunes transiting the bright K-dwarf TOI-1064 characterized with CHEOPS

Author

Wilson, Thomas G, primary, Goffo, Elisa, additional, Alibert, Yann, additional, Gandolfi, Davide, additional, Bonfanti, Andrea, additional, Persson, Carina M, additional, Collier Cameron, Andrew, additional, Fridlund, Malcolm, additional, Fossati, Luca, additional, Korth, Judith, additional, Benz, Willy, additional, Deline, Adrien, additional, Florén, Hans-Gustav, additional, Guterman, Pascal, additional, Adibekyan, Vardan, additional, Hooton, Matthew J, additional, Hoyer, Sergio, additional, Leleu, Adrien, additional, Mustill, Alexander James, additional, Salmon, Sébastien, additional, Sousa, Sérgio G, additional, Suarez, Olga, additional, Abe, Lyu, additional, Agabi, Abdelkrim, additional, Alonso, Roi, additional, Anglada, Guillem, additional, Asquier, Joel, additional, Bárczy, Tamas, additional, Barrado Navascues, David, additional, Barros, Susana C C, additional, Baumjohann, Wolfgang, additional, Beck, Mathias, additional, Beck, Thomas, additional, Billot, Nicolas, additional, Bonfils, Xavier, additional, Brandeker, Alexis, additional, Broeg, Christopher, additional, Bryant, Edward M, additional, Burleigh, Matthew R, additional, Buttu, Marco, additional, Cabrera, Juan, additional, Charnoz, Sébastien, additional, Ciardi, David R, additional, Cloutier, Ryan, additional, Cochran, William D, additional, Collins, Karen A, additional, Colón, Knicole D, additional, Crouzet, Nicolas, additional, Csizmadia, Szilard, additional, Davies, Melvyn B, additional, Deleuil, Magali, additional, Delrez, Laetitia, additional, Demangeon, Olivier, additional, Demory, Brice-Olivier, additional, Dragomir, Diana, additional, Dransfield, Georgina, additional, Ehrenreich, David, additional, Erikson, Anders, additional, Fortier, Andrea, additional, Gan, Tianjun, additional, Gill, Samuel, additional, Gillon, Michaël, additional, Gnilka, Crystal L, additional, Grieves, Nolan, additional, Grziwa, Sascha, additional, Güdel, Manuel, additional, Guillot, Tristan, additional, Haldemann, Jonas, additional, Heng, Kevin, additional, Horne, Keith, additional, Howell, Steve B, additional, Isaak, Kate G, additional, Jenkins, Jon M, additional, Jensen, Eric L N, additional, Kiss, Laszlo, additional, Lacedelli, Gaia, additional, Lam, Kristine, additional, Laskar, Jacques, additional, Latham, David W, additional, Lecavelier des Etangs, Alain, additional, Lendl, Monika, additional, Lester, Kathryn V, additional, Levine, Alan M, additional, Livingston, John, additional, Lovis, Christophe, additional, Luque, Rafael, additional, Magrin, Demetrio, additional, Marie-Sainte, Wenceslas, additional, Maxted, Pierre F L, additional, Mayo, Andrew W, additional, McLean, Brian, additional, Mecina, Marko, additional, Mékarnia, Djamel, additional, Nascimbeni, Valerio, additional, Nielsen, Louise D, additional, Olofsson, Göran, additional, Osborn, Hugh P, additional, Osborne, Hannah L M, additional, Ottensamer, Roland, additional, Pagano, Isabella, additional, Pallé, Enric, additional, Peter, Gisbert, additional, Piotto, Giampaolo, additional, Pollacco, Don, additional, Queloz, Didier, additional, Ragazzoni, Roberto, additional, Rando, Nicola, additional, Rauer, Heike, additional, Redfield, Seth, additional, Ribas, Ignasi, additional, Ricker, George R, additional, Rieder, Martin, additional, Santos, Nuno C, additional, Scandariato, Gaetano, additional, Schmider, François-Xavier, additional, Schwarz, Richard P, additional, Scott, Nicholas J, additional, Seager, Sara, additional, Ségransan, Damien, additional, Serrano, Luisa Maria, additional, Simon, Attila E, additional, Smith, Alexis M S, additional, Steller, Manfred, additional, Stockdale, Chris, additional, Szabó, Gyula, additional, Thomas, Nicolas, additional, Ting, Eric B, additional, Triaud, Amaury H M J, additional, Udry, Stéphane, additional, Van Eylen, Vincent, additional, Van Grootel, Valérie, additional, Vanderspek, Roland K, additional, Viotto, Valentina, additional, Walton, Nicholas, additional, and Winn, Joshua N, additional

Published
2022
Full Text
View/download PDF

90. TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet

Author

Osborn, Ares, primary, Armstrong, David J, additional, Cale, Bryson, additional, Brahm, Rafael, additional, Wittenmyer, Robert A, additional, Dai, Fei, additional, Crossfield, Ian J M, additional, Bryant, Edward M, additional, Adibekyan, Vardan, additional, Cloutier, Ryan, additional, Collins, Karen A, additional, Delgado Mena, E, additional, Fridlund, Malcolm, additional, Hellier, Coel, additional, Howell, Steve B, additional, King, George W, additional, Lillo-Box, Jorge, additional, Otegi, Jon, additional, Sousa, S, additional, Stassun, Keivan G, additional, Matthews, Elisabeth C, additional, Ziegler, Carl, additional, Ricker, George, additional, Vanderspek, Roland, additional, Latham, David W, additional, Seager, S, additional, Winn, Joshua N, additional, Jenkins, Jon M, additional, Acton, Jack S, additional, Addison, Brett C, additional, Anderson, David R, additional, Ballard, Sarah, additional, Barrado, David, additional, Barros, Susana C C, additional, Batalha, Natalie, additional, Bayliss, Daniel, additional, Barclay, Thomas, additional, Benneke, Björn, additional, Berberian, John, additional, Bouchy, Francois, additional, Bowler, Brendan P, additional, Briceño, César, additional, Burke, Christopher J, additional, Burleigh, Matthew R, additional, Casewell, Sarah L, additional, Ciardi, David, additional, Collins, Kevin I, additional, Cooke, Benjamin F, additional, Demangeon, Olivier D S, additional, Díaz, Rodrigo F, additional, Dorn, C, additional, Dragomir, Diana, additional, Dressing, Courtney, additional, Dumusque, Xavier, additional, Espinoza, Néstor, additional, Figueira, P, additional, Fulton, Benjamin, additional, Furlan, E, additional, Gaidos, E, additional, Geneser, C, additional, Gill, Samuel, additional, Goad, Michael R, additional, Gonzales, Erica J, additional, Gorjian, Varoujan, additional, Günther, Maximilian N, additional, Helled, Ravit, additional, Henderson, Beth A, additional, Henning, Thomas, additional, Hogan, Aleisha, additional, Hojjatpanah, Saeed, additional, Horner, Jonathan, additional, Howard, Andrew W, additional, Hoyer, Sergio, additional, Huber, Dan, additional, Isaacson, Howard, additional, Jenkins, James S, additional, Jensen, Eric L N, additional, Jordán, Andrés, additional, Kane, Stephen R, additional, Kidwell, Richard C, additional, Kielkopf, John, additional, Law, Nicholas, additional, Lendl, Monika, additional, Lund, M, additional, Matson, Rachel A, additional, Mann, Andrew W, additional, McCormac, James, additional, Mengel, Matthew W, additional, Morales, Farisa Y, additional, Nielsen, Louise D, additional, Okumura, Jack, additional, Osborn, Hugh P, additional, Petigura, Erik A, additional, Plavchan, Peter, additional, Pollacco, Don, additional, Quintana, Elisa V, additional, Raynard, Liam, additional, Robertson, Paul, additional, Rose, Mark E, additional, Roy, Arpita, additional, Reefe, Michael, additional, Santerne, Alexandre, additional, Santos, Nuno C, additional, Sarkis, Paula, additional, Schlieder, J, additional, Schwarz, Richard P, additional, Scott, Nicholas J, additional, Shporer, Avi, additional, Smith, A M S, additional, Stibbard, C, additional, Stockdale, Chris, additional, Strøm, Paul A, additional, Twicken, Joseph D, additional, Tan, Thiam-Guan, additional, Tanner, A, additional, Teske, J, additional, Tilbrook, Rosanna H, additional, Tinney, C G, additional, Udry, Stephane, additional, Villaseñor, Jesus Noel, additional, Vines, Jose I, additional, Wang, Sharon X, additional, Weiss, Lauren M, additional, West, Richard G, additional, Wheatley, Peter J, additional, Wright, Duncan J, additional, Zhang, Hui, additional, and Zohrabi, F, additional

Published
2021
Full Text
View/download PDF

91. Populating the brown dwarf and stellar boundary: Five stars with transiting companions near the hydrogen-burning mass limit

Author

Grieves, Nolan, primary, Bouchy, François, additional, Lendl, Monika, additional, Carmichael, Theron, additional, Mireles, Ismael, additional, Shporer, Avi, additional, McLeod, Kim K., additional, Collins, Karen A., additional, Brahm, Rafael, additional, Stassun, Keivan G., additional, Gill, Sam, additional, Bouma, Luke G., additional, Guillot, Tristan, additional, Cointepas, Marion, additional, Dos Santos, Leonardo A., additional, Casewell, Sarah L., additional, Jenkins, Jon M., additional, Henning, Thomas, additional, Nielsen, Louise D., additional, Psaridi, Angelica, additional, Udry, Stéphane, additional, Ségransan, Damien, additional, Eastman, Jason D., additional, Zhou, George, additional, Abe, Lyu, additional, Agabi, Abelkrim, additional, Bakos, Gaspar, additional, Charbonneau, David, additional, Collins, Kevin I., additional, Colon, Knicole D., additional, Crouzet, Nicolas, additional, Dransfield, Georgina, additional, Evans, Phil, additional, Goeke, Robert F., additional, Hart, Rhodes, additional, Irwin, Jonathan M., additional, Jensen, Eric L. N., additional, Jordán, Andrés, additional, Kielkopf, John F., additional, Latham, David W., additional, Marie-Sainte, Wenceslas, additional, Mékarnia, Djamel, additional, Nelson, Peter, additional, Quinn, Samuel N., additional, Radford, Don J., additional, Rodriguez, David R., additional, Rowden, Pamela, additional, Schmider, François–Xavier, additional, Schwarz, Richard P., additional, Smith, Jeffrey C., additional, Stockdale, Chris, additional, Suarez, Olga, additional, Tan, Thiam-Guan, additional, Triaud, Amaury H. M. J., additional, Waalkes, William, additional, and Wingham, Geof, additional

Published
2021
Full Text
View/download PDF

92. Warm Jupiters in TESS Full-frame Images: A Catalog and Observed Eccentricity Distribution for Year 1

Author

Dong, Jiayin, primary, Huang, Chelsea X., additional, Dawson, Rebekah I., additional, Foreman-Mackey, Daniel, additional, Collins, Karen A., additional, Quinn, Samuel N., additional, Lissauer, Jack J., additional, Beatty, Thomas, additional, Quarles, Billy, additional, Sha, Lizhou, additional, Shporer, Avi, additional, Guo, Zhao, additional, Kane, Stephen R., additional, Abe, Lyu, additional, Barkaoui, Khalid, additional, Benkhaldoun, Zouhair, additional, Brahm, Rafael, additional, Bouchy, François, additional, Carmichael, Theron W., additional, Collins, Kevin I., additional, Conti, Dennis M., additional, Crouzet, Nicolas, additional, Dransfield, Georgina, additional, Evans, Phil, additional, Gan, Tianjun, additional, Ghachoui, Mourad, additional, Gillon, Michaël, additional, Grieves, Nolan, additional, Guillot, Tristan, additional, Hellier, Coel, additional, Jehin, Emmanuël, additional, Jensen, Eric L. N., additional, Jordán, Andres, additional, Kamler, Jacob, additional, Kielkopf, John F., additional, Mékarnia, Djamel, additional, Nielsen, Louise D., additional, Pozuelos, Francisco J., additional, Radford, Don J., additional, Schmider, François-Xavier, additional, Schwarz, Richard P., additional, Stockdale, Chris, additional, Tan, Thiam-Guan, additional, Timmermans, Mathilde, additional, Triaud, Amaury H. M. J., additional, Wang, Gavin, additional, Ricker, George, additional, Vanderspek, Roland, additional, Latham, David W., additional, Seager, Sara, additional, Winn, Joshua N., additional, Jenkins, Jon M., additional, Mireles, Ismael, additional, Yahalomi, Daniel A., additional, Morgan, Edward H., additional, Vezie, Michael, additional, Quintana, Elisa V., additional, Rose, Mark E., additional, Smith, Jeffrey C., additional, and Shiao, Bernie, additional

Published
2021
Full Text
View/download PDF

93. TOI-824 b: A New Planet on the Lower Edge of the Hot Neptune Desert

Author

Burt, Jennifer A, Nielsen, Louise D, Quinn, Samuel N, Mamajek, Eric E, Matthews, Elisabeth C, Zhou, George, Seidel, Julia V, Huang, Chelsea X, Lopez, Eric, Soto, Maritza, Otegi, Jon, Stassun, Keivan G, Kreidberg, Laura, Collins, Karen A, Eastman, Jason D, Rodriguez, Joseph E, Vanderburg, Andrew, Halverson, Samuel P, Teske, Johanna K, Wang, Sharon X, Butler, R Paul, Bouchy, François, Dumusque, Xavier, Segransen, Damien, Shectman, Stephen A, Crane, Jeffrey D, Feng, Fabo, Montet, Benjamin T, Feinstein, Adina D, Beletski, Yuri, et al, and University of Zurich

Subjects
1912 Space and Planetary Science, 530 Physics, Space and Planetary Science, 10231 Institute for Computational Science, 3103 Astronomy and Astrophysics, Astronomy and Astrophysics
Published
2020

94. NGTS - Uncovering New Worlds with Ultra-Precise Photometry

Author

Bayliss, Daniel, Wheatley, Peter, West, Richard, Pollacco, Don, Anderson, David R., Armstrong, David, Bryant, Edward, Cegla, Heather, Cooke, Benjamin, Gänsicke, Boris, Gill, Samuel, Jackman, James, Loudon, Tom, McCormac, James, Acton, Jack, Burleigh, Matthew R., Casewell, Sarah, Goad, Michael, Henderson, Beth, Hogan, Aleisha, Raynard, Liam, Tilbrook, Rosanna H., Briegal, Joshua, Gillen, Edward, Queloz, Didier, Smith, Gareth, Eigmüller, Philipp, Smith, Alexis M. S., Watson, Christopher, Bouchy, François, Lendl, Monika, Nielsen, Louise D., Udry, Stéphane, Jenkins, James, Vines, José, Jordán, Andrés, Moyano, Maximiliano, and Günther, Maximilian N.

Subjects
Extrasolare Planeten und Atmosphären, Exoplanets, Astrophysics::Instrumentation and Methods for Astrophysics, Astrophysics::Solar and Stellar Astrophysics, Astrophysics::Cosmology and Extragalactic Astrophysics, Astrophysics::Earth and Planetary Astrophysics, Astrophysics::Galaxy Astrophysics
Abstract

The Next Generation Transit Survey (NGTS) is a state-of-the-art photometric facility located at ESO’s Paranal Observatory. NGTS is able to reach a precision of 150 ppm in 30 minutes, making it the most precise ground-based photometric system in the world. This precision has led to the discovery of a rare exoplanet in the “Neptune Desert” (NGTS-4b), the shortest-period hot Jupiter ever discovered (NGTS-10b), and the first exoplanet recovered from a TESS monotransit candidate (NGTS-11b). It has also allowed NGTS to characterise exoplanet candidates transiting very bright stars (V < 10) from the TESS mission, and to make coordinated observations in support of VLT programmes., Published in The Messenger vol. 181, pp. 28-32, September 2020.

Published
2020
Full Text
View/download PDF

95. A remnant planetary core in the hot-Neptune desert

Author

Armstrong, David J, Lopez, Théo A, Adibekyan, Vardan, Booth, Richard A, Bryant, Edward M, Collins, Karen A, Deleuil, Magali, Emsenhuber, Alexandre, Huang, Chelsea X, King, George W, Lillo-Box, Jorge, Lissauer, Jack J, Matthews, Elisabeth, Mousis, Olivier, Nielsen, Louise D, Osborn, Hugh, Otegi, Jon, Santos, Nuno C, Sousa, Sérgio G, Stassun, Keivan G, Veras, Dimitri, Ziegler, Carl, Acton, Jack S, Almenara, Jose M, Anderson, David R, Barrado, David, Barros, Susana C C, Bayliss, Daniel, Belardi, Claudia, Bouchy, Francois, et al, University of Zurich, and Armstrong, David J

Subjects
1000 Multidisciplinary, Multidisciplinary, 530 Physics, 10231 Institute for Computational Science
Published
2020

96. NGTS-19b: a high-mass transiting brown dwarf in a 17-d eccentric orbit

Author

Acton, Jack S, primary, Goad, Michael R, additional, Burleigh, Matthew R, additional, Casewell, Sarah L, additional, Breytenbach, Hannes, additional, Nielsen, Louise D, additional, Smith, Gareth, additional, Anderson, David R, additional, Battley, Matthew P, additional, Bayliss, Daniel, additional, Bouchy, François, additional, Bryant, Edward M, additional, Csizmadia, Szilárd, additional, Eigmüller, Philipp, additional, Gill, Samuel, additional, Gillen, Edward, additional, Grieves, Nolan, additional, Günther, Maximilian N, additional, Henderson, Beth A, additional, Hodgkin, Simon T, additional, Jackman, James A G, additional, Jenkins, James S, additional, Lendl, Monika, additional, McCormac, James, additional, Moyano, Maximiliano, additional, Nelson, Richard P, additional, Sefako, Ramotholo R, additional, Smith, Alexis M S, additional, Stalport, Manu, additional, Thomas, Jessymol K, additional, Tilbrook, Rosanna H, additional, Udry, Stéphane, additional, West, Richard G, additional, Wheatley, Peter J, additional, Worters, Hannah L, additional, Vines, Jose I, additional, and Alves, Douglas R, additional

Published
2021
Full Text
View/download PDF

97. A Transiting Warm Giant Planet around the Young Active Star TOI-201

Author

Hobson, Melissa J., primary, Brahm, Rafael, additional, Jordán, Andrés, additional, Espinoza, Nestor, additional, Kossakowski, Diana, additional, Henning, Thomas, additional, Rojas, Felipe, additional, Schlecker, Martin, additional, Sarkis, Paula, additional, Trifonov, Trifon, additional, Thorngren, Daniel, additional, Binnenfeld, Avraham, additional, Shahaf, Sahar, additional, Zucker, Shay, additional, Ricker, George R., additional, Latham, David W., additional, Seager, S., additional, Winn, Joshua N., additional, Jenkins, Jon M., additional, Addison, Brett, additional, Bouchy, François, additional, Bowler, Brendan P., additional, Briegal, Joshua T., additional, Bryant, Edward M., additional, Collins, Karen A., additional, Daylan, Tansu, additional, Grieves, Nolan, additional, Horner, Jonathan, additional, Huang, Chelsea, additional, Kane, Stephen R., additional, Kielkopf, John, additional, McLean, Brian, additional, Mengel, Matthew W., additional, Nielsen, Louise D., additional, Okumura, Jack, additional, Jones, Matias, additional, Plavchan, Peter, additional, Shporer, Avi, additional, Smith, Alexis M. S., additional, Tilbrook, Rosanna, additional, Tinney, C. G., additional, Twicken, Joseph D., additional, Udry, Stéphane, additional, Unger, Nicolas, additional, West, Richard, additional, Wittenmyer, Robert A., additional, Wohler, Bill, additional, Torres, Pascal, additional, and Wright, Duncan J., additional

Published
2021
Full Text
View/download PDF

98. NGTS 15b, 16b, 17b, and 18b: four hot Jupiters from the Next-Generation Transit Survey

Author

Tilbrook, Rosanna H, primary, Burleigh, Matthew R, additional, Costes, Jean C, additional, Gill, Samuel, additional, Nielsen, Louise D, additional, Vines, José I, additional, Queloz, Didier, additional, Hodgkin, Simon T, additional, Worters, Hannah L, additional, Goad, Michael R, additional, Acton, Jack S, additional, Henderson, Beth A, additional, Armstrong, David J, additional, Anderson, David R, additional, Bayliss, Daniel, additional, Bouchy, François, additional, Briegal, Joshua T, additional, Bryant, Edward M, additional, Casewell, Sarah L, additional, Chaushev, Alexander, additional, Cooke, Benjamin F, additional, Eigmüller, Philipp, additional, Gillen, Edward, additional, Günther, Maximilian N, additional, Hogan, Aleisha, additional, Jenkins, James S, additional, Lendl, Monika, additional, McCormac, James, additional, Moyano, Maximiliano, additional, Raynard, Liam, additional, Smith, Alexis M S, additional, Udry, Stéphane, additional, Watson, Christopher A, additional, West, Richard G, additional, Wheatley, Peter J, additional, Breytenbach, Hannes, additional, Sefako, Ramotholo R, additional, Thomas, Jessymol K, additional, and Alves, Douglas R, additional

Published
2021
Full Text
View/download PDF

99. TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full-frame Images

Author

Rodriguez, Joseph E., primary, Quinn, Samuel N., additional, Zhou, George, additional, Vanderburg, Andrew, additional, Nielsen, Louise D., additional, Wittenmyer, Robert A., additional, Brahm, Rafael, additional, Reed, Phillip A., additional, Huang, Chelsea X., additional, Vach, Sydney, additional, Ciardi, David R., additional, Oelkers, Ryan J., additional, Stassun, Keivan G., additional, Hellier, Coel, additional, Gaudi, B. Scott, additional, Eastman, Jason D., additional, Collins, Karen A., additional, Bieryla, Allyson, additional, Christian, Sam, additional, Latham, David W., additional, Carleo, Ilaria, additional, Wright, Duncan J., additional, Matthews, Elisabeth, additional, Gonzales, Erica J., additional, Ziegler, Carl, additional, Dressing, Courtney D., additional, Howell, Steve B., additional, Tan, Thiam-Guan, additional, Wittrock, Justin, additional, Plavchan, Peter, additional, McLeod, Kim K., additional, Baker, David, additional, Wang, Gavin, additional, Radford, Don J., additional, Schwarz, Richard P., additional, Esposito, Massimiliano, additional, Ricker, George R., additional, Vanderspek, Roland K., additional, Seager, Sara, additional, Winn, Joshua N., additional, Jenkins, Jon M., additional, Addison, Brett, additional, Anderson, D. R., additional, Barclay, Thomas, additional, Beatty, Thomas G., additional, Berlind, Perry, additional, Bouchy, Francois, additional, Bowen, Michael, additional, Bowler, Brendan P., additional, Brasseur, C. E., additional, Briceño, César, additional, Caldwell, Douglas A., additional, Calkins, Michael L., additional, Cartwright, Scott, additional, Chaturvedi, Priyanka, additional, Chaverot, Guillaume, additional, Chimaladinne, Sudhish, additional, Christiansen, Jessie L., additional, Collins, Kevin I., additional, Crossfield, Ian J. M., additional, Eastridge, Kevin, additional, Espinoza, Néstor, additional, Esquerdo, Gilbert A., additional, Feliz, Dax L., additional, Fenske, Tyler, additional, Fong, William, additional, Gan, Tianjun, additional, Giacalone, Steven, additional, Gill, Holden, additional, Gordon, Lindsey, additional, Granados, A., additional, Grieves, Nolan, additional, Guenther, Eike W., additional, Guerrero, Natalia, additional, Henning, Thomas, additional, Henze, Christopher E., additional, Hesse, Katharine, additional, Hobson, Melissa J., additional, Horner, Jonathan, additional, James, David J., additional, Jensen, Eric L. N., additional, Jimenez, Mary, additional, Jordán, Andrés, additional, Kane, Stephen R., additional, Kielkopf, John, additional, Kim, Kingsley, additional, Kuhn, Rudolf B., additional, Latouf, Natasha, additional, Law, Nicholas M., additional, Levine, Alan M., additional, Lund, Michael B., additional, Mann, Andrew W., additional, Mao, Shude, additional, Matson, Rachel A., additional, Mengel, Matthew W., additional, Mink, Jessica, additional, Newman, Patrick, additional, O’Dwyer, Tanner, additional, Okumura, Jack, additional, Palle, Enric, additional, Pepper, Joshua, additional, Quintana, Elisa V., additional, Sarkis, Paula, additional, Savel, Arjun B., additional, Schlieder, Joshua E., additional, Schnaible, Chloe, additional, Shporer, Avi, additional, Sefako, Ramotholo, additional, Seidel, Julia V., additional, Siverd, Robert J., additional, Skinner, Brett, additional, Stalport, Manu, additional, Stevens, Daniel J., additional, Stibbards, Caitlin, additional, Tinney, C. G., additional, West, R. G., additional, Yahalomi, Daniel A., additional, and Zhang, Hui, additional

Published
2021
Full Text
View/download PDF

100. NGTS-13b: a hot 4.8 Jupiter-mass planet transiting a subgiant star

Author

Grieves, Nolan, primary, Nielsen, Louise D., additional, Vines, Jose I., additional, Bryant, Edward M., additional, Gill, Samuel, additional, Bouchy, François, additional, Lendl, Monika, additional, Bayliss, Daniel, additional, Eigmueller, Philipp, additional, Segransan, Damien, additional, Acton, Jack S., additional, Anderson, David R., additional, Burleigh, Matthew R., additional, Casewell, Sarah L., additional, Chaushev, Alexander, additional, Cooke, Benjamin F., additional, Gillen, Edward, additional, Goad, Michael R., additional, Günther, Maximilian N., additional, Henderson, Beth A., additional, Hogan, Aleisha, additional, Jenkins, James S., additional, Alves, Douglas R., additional, Jordán, Andrés, additional, McCormac, James, additional, Moyano, Maximiliano, additional, Queloz, Didier, additional, Raynard, Liam, additional, Seidel, Julia V., additional, Smith, Alexis M. S., additional, Tilbrook, Rosanna H., additional, Udry, Stephane, additional, West, Richard G., additional, and Wheatley, Peter J., additional

Published
2021
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results