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2. A two-minute burst of highly polarised radio emission originating from low Galactic latitude

Author

Dobie, Dougal, Zic, Andrew, Oswald, Lucy S., Pritchard, Joshua, Lower, Marcus E., Wang, Ziteng, Qiu, Hao, Hurley-Walker, Natasha, Wang, Yuanming, Lenc, Emil, Kaplan, David L., Anumarlapudi, Akash, Auchettl, Katie, Bailes, Matthew, Cameron, Andrew D., Cooke, Jeffrey, Deller, Adam, Driessen, Laura N., Freeburn, James, Murphy, Tara, Shannon, Ryan M., and Stewart, Adam J.

Subjects
Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Astrophysics of Galaxies, Astrophysics - High Energy Astrophysical Phenomena
Abstract

Several sources of repeating coherent bursts of radio emission with periods of many minutes have now been reported in the literature. These "ultra-long period" (ULP) sources have no clear multi-wavelength counterparts and challenge canonical pulsar emission models, leading to debate regarding their nature. In this work we report the discovery of a bright, highly-polarised burst of radio emission at low Galactic latitude as part of a wide-field survey for transient and variable radio sources. ASKAP\,J175534.9$-$252749.1 does not appear to repeat, with only a single intense two-minute $\sim$200-mJy burst detected from 60~hours of observations. The burst morphology and polarisation properties are comparable to those of classical pulsars but the duration is more than one hundred times longer, analogous to ULPs. Combined with the existing ULP population, this suggests that these sources have a strong Galactic latitude dependence and hints at an unexplored population of transient and variable radio sources in the thin disk of the Milky Way. The resemblance of this burst with both ULPs and pulsars calls for a unified coherent emission model for objects with spin periods from milliseconds to tens of minutes. However, whether or not these are all neutron stars or have the same underlying power source remains open for debate.

Published
2024

3. Innovations and advances in instrumentation at the W. M. Keck Observatory, vol. III

Author

Kassis, Marc F, Alvarez, Carlos, Baker, Ashley D, Bailey, John I, Banyal, Ravinder K, Bertz, Rob, Beichman, Charles A, Bouchez, Antonin H, Brown, Aaron M, Brown, Matthew K, Bundy, Kevin A, Campbell, Randall D, Chun, Mark R, Cooke, Jeffrey, Deich, William T, Dekany, Richard G, Doppmann, Greg, Fassnacht, Christopher, Ferrara, Jocelyn, Fitzgerald, Michael P, Fremling, Christoffer, Fucik, Jason R, Gibson, Steven R, Gillingham, Peter R, Glazebrook, Karl, Greffe, Timothee, Halverson, Samuel P, Hill, Grant M, Hillenbrand, Lynne, Hinz, Philip M, Holden, Bradford P, Howard, Andrew W, Huber, Daniel, Jones, Tucker A, Jordan, Carolyn, Jovanovic, Nemanja J, Kain, Isabel J, Kasliwal, Mansi M, Kirby, Evan, Konopacky, Quinn M, Krishnan, Shanti, Kulkarni, Shrinivas R, Kupke, Renate, Lanclos, Kyle, Larkin, James E, Lilley, Scott J, Lingvay, Larry, Lu, Jessica R, Lyke, James E, MacDonald, Nicholas, Martin, Christopher, Mather, John C, Matuszewski, Mateusz, Mawet, Dimitri P, McGurk, Rosalie C, Marin, Eduardo, Meeks, Robert L, Millar-Blanchaer, Maxwell A, Nash, Reston B, Neill, James D, O'Meara, John M, Pahuja, Rishi, Peretz, Eliad, Prusinski, Nikolaus, Radovan, Matthew V, Rider, Kodi A, Roberts, Mitsuko K, Rockosi, Constance M, Rubenzahl, Ryan, Sallum, Stephanie E, Sandford, Dale, Savage, Maureen L, Skemer, Andrew J, Smith, Roger, Steidel, Charles, Steiner, Jonathan, Stelter, Richard D, Walawender, Josh, Westfall, Kyle B, Wizinowich, Peter L, Wright, Shelley A, Wold, Truman, and Zimmer, Jake

Published
2024

4. Ground-Based Gravitational-Wave Astronomy in Australia: 2019 White Paper

Author

Bailes, Matthew, McClelland, David, Thrane, Eric, Blair, David, Cooke, Jeffrey, Coward, David, Evans, Robin, Fenner, Yeshe, Galloway, Duncan, Hurley, Jarrod, Ju, Li, Lasky, Paul, Mandel, Ilya, McKenzie, Kirk, Melatos, Andrew, Ottaway, David, Scott, Susan, Slagmolen, Bram, Veitch, Peter, Wen, Linqing, and Zhao, Chunnong

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - High Energy Astrophysical Phenomena, General Relativity and Quantum Cosmology
Abstract

The past four years have seen a scientific revolution through the birth of a new field: gravitational-wave astronomy. The first detection of gravitational waves---recognised by the 2017 Nobel Prize in Physics---provided unprecedented tests of general relativity while unveiling a previously unknown class of massive black holes, thirty times more massive than the Sun. The subsequent detection of gravitational waves from a merging binary neutron star confirmed the hypothesised connection between binary neutron stars and short gamma-ray bursts while providing an independent measurement of the expansion of the Universe. The discovery enabled precision measurement of the speed of gravity while shedding light on the origin of heavy elements. At the time of writing, the Laser Interferometer Gravitational-wave Observatory (LIGO) and its European partner, Virgo, have published the detection of eleven gravitational-wave events. New, not-yet-published detections are announced on a nearly weekly basis. This fast-growing catalogue of gravitational-wave transients is expected to yield insights into a number of topics, from the equation of state of matter at supra-nuclear densities to the fate of massive stars. The science potential of 3G observatories is enormous, enabling measurements of gravitational waves from the edge of the Universe and precise determination of the neutron star equation of state. Australia is well-positioned to help develop the required technology. The Mid-term Review for the Decadal plan for Australian astronomy 2016-2025 should consider investment in a scoping study for an Australian Gravitational-Wave Pathfinder that develops and validates core technologies required for the global 3G detector network., Comment: 8 pages, 7 figures

Published
2019

5. Probing the extragalactic fast transient sky at minute timescales with DECam

Author

Andreoni, Igor, Cooke, Jeffrey, Webb, Sara, Rest, Armin, Pritchard, Tyler A., Caleb, Manisha, Chang, Seo-Won, Farah, Wael, Lien, Amy, Möller, Anais, Ravasio, Maria Edvige, Abbott, Timothy M. C., Bhandari, Shivani, Cucchiara, Antonino, Flynn, Christopher M., Jankowski, Fabian, Keane, Evan F., Moriya, Takashi J., Onken, Christopher, Parthasarathy, Aditya, Price, Daniel C., Petroff, Emily, Ryder, Stuart, Vohl, Dany, and Wolf, Christian

Subjects
Astrophysics - High Energy Astrophysical Phenomena, Astrophysics - Astrophysics of Galaxies, Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Solar and Stellar Astrophysics
Abstract

Searches for optical transients are usually performed with a cadence of days to weeks, optimised for supernova discovery. The optical fast transient sky is still largely unexplored, with only a few surveys to date having placed meaningful constraints on the detection of extragalactic transients evolving at sub-hour timescales. Here, we present the results of deep searches for dim, minute-timescale extragalactic fast transients using the Dark Energy Camera, a core facility of our all-wavelength and all-messenger Deeper, Wider, Faster programme. We used continuous 20s exposures to systematically probe timescales down to 1.17 minutes at magnitude limits $g > 23$ (AB), detecting hundreds of transient and variable sources. Nine candidates passed our strict criteria on duration and non-stellarity, all of which could be classified as flare stars based on deep multi-band imaging. Searches for fast radio burst and gamma-ray counterparts during simultaneous multi-facility observations yielded no counterparts to the optical transients. Also, no long-term variability was detected with pre-imaging and follow-up observations using the SkyMapper optical telescope. We place upper limits for minute-timescale fast optical transient rates for a range of depths and timescales. Finally, we demonstrate that optical $g$-band light curve behaviour alone cannot discriminate between confirmed extragalactic fast transients such as prompt GRB flashes and Galactic stellar flares., Comment: Published in MNRAS

Published
2019
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7. Enabling near real-time remote search for fast transient events with lossy data compression

Author

Vohl, Dany, Pritchard, Tyler, Andreoni, Igor, Cooke, Jeffrey, and Meade, Bernard

Subjects
Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

We present a systematic evaluation of JPEG2000 (ISO/IEC 15444) as a transport data format to enable rapid remote searches for fast transient events as part of the Deeper Wider Faster program (DWF). DWF uses ~20 telescopes from radio to gamma-rays to perform simultaneous and rapid-response follow-up searches for fast transient events on millisecond-to-hours timescales. DWF search demands have a set of constraints that is becoming common amongst large collaborations. Here, we focus on the rapid optical data component of DWF led by the Dark Energy Camera (DECam) at CTIO. Each DECam image has 70 total CCDs saved as a ~1.2 gigabyte FITS file. Near real-time data processing and fast transient candidate identifications -- in minutes for rapid follow-up triggers on other telescopes -- requires computational power exceeding what is currently available on-site at CTIO. In this context, data files need to be transmitted rapidly to a foreign location for supercomputing post-processing, source finding, visualization and analysis. This step in the search process poses a major bottleneck, and reducing the data size helps accommodate faster data transmission. To maximise our gain in transfer time and still achieve our science goals, we opt for lossy data compression -- keeping in mind that raw data is archived and can be evaluated at a later time. We evaluate how lossy JPEG2000 compression affects the process of finding transients, and find only a negligible effect for compression ratios up to ~25:1. We also find a linear relation between compression ratio and the mean estimated data transmission speed-up factor. Adding highly customized compression and decompression steps to the science pipeline considerably reduces the transmission time -- validating its introduction to the DWF science pipeline and enabling science that was otherwise too difficult with current technology., Comment: 13 pages, 9 figures, 2 tables. Accepted for publication by the Publications of the Astronomical Society of Australia

Published
2017
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8. Quality of life after pharmacomechanical catheter-directed thrombolysis for proximal deep venous thrombosis

Author

Sichlau, Michael, Vlahos, Athanasios, Smith, Steven, Thalheimer, Quinn, Singh, Nisha, Harting, Rekha, Gocke, John, Guth, Scott, Shah, Neel, Brady, Paul, Schatz, Marvin, Horrow, Mindy, Markazi, Peyman, Forouzan, Leli, Matalon, Terence A.S., Hertzog, David, Goday, Swapna, Kennedy, Margaret, Kaplan, Robert, Campbell, Thomas, Hartman, Jamie, Nahum, Elmer, Venkat, Arvind, Krishnamurthy, Venkataramu, Rectenwald, John, Henke, Peter, Eliason, Jonathan, Willatt, Jonathon, Escobar, Guillermo, Samuels, Shaun, Katzen, Barry, Benenati, James, Powell, Alex, Pena, Constantino, Wallach, Howard, Gandhi, Ripal, Schneider, Joseph, Kim, Stanley, Hashemi, Farrah, Boyle, Joseph, Patel, Nilesh, Verta, Michael, Leung, Daniel, Garcia, Marc, Blatt, Phillip, Khatri, Jamil, Epstein, Dave, Ryan, Randall, Sweeny, Tom, Stillabower, Michael, Kimbiris, George, Raman, Tuhina, Sierzenski, Paul, Getto, Lelia, Dignazio, Michael, Horvath, Mark, Gornik, Heather, Bartholomew, John, Shishehbor, Mehdi, Peacock, Frank, Joseph, Douglas, Kim, Soo Hyum, Mahlay, Natalia Fendrikova, Clair, Daniel, Lyden, Sean, Kapoor, Baljendra, McLennon, Gordon, Pierce, Gregory, Newman, James, Spain, James, Gill, Amanjiit, Hamilton, Aaron, Rizzo, Anthony, Park, Woosup, Dietzek, Alan, Galin, Ira, Plummer, Dahlia, Hsu, Richard, Broderick, Patrick, Keller, Andrew, Sayeed, Sameer, Slater, Dennis, Lustberg, Herb, Akus, Jan, Sidman, Robert, Dhami, Mandeep, Kohanski, Phillip, Bulgaru, Anca, Dulala, Renuka, Burch, James, Kapur, Dinesh, Yang, Jie, Ranson, Mark, Wladis, Alan, Varnagy, David, Mekhail, Tarek, Winter, Robert, Perez-Izquierdo, Manuel, Motew, Stephen, Royd-Kranis, Robin, Workman, Raymond, Kribbs, Scott, Hogsette, Gerald, Moore, Phillip, Thomason, Bradley, Means, William, Bonsall, Richard, Stewart, John, Golwya, Daniel, Azene, Ezana, Bottner, Wayne, Bishop, William, Clayton, Dave, Gundersen, Lincoln, Riherd, Jody, Shakhnovich, Irina, Ziegelbein, Kurt, Chang, Thomas, Sharma, Karun, Allison, Sandra, Banovac, Fil, Cohen, Emil, Furlong, Brendan, Kessler, Craig, McCullough, Mike, Spies, Jim, Lin, Judith, Kaatz, Scott, Getzen, Todd, Miller, Joseph, Schwartz, Scott, Kabbani, Loay, McVinnie, David, Rundback, John, Manno, Joseph, Schwab, Richard, Cole, Randolph, Herman, Kevin, Singh, David, Barkama, Ravit, Patel, Amish, Comerota, Anthony, Pigott, John, Seiwert, Andrew, Whalen, Ralph, Russell, Todd, Assi, Zakaria, Kazanjian, Sahira, Yobbagy, Jonathan, Kaminski, Brian, Kaufman, Allan, Begeman, Garett, DiSalle, Robert, Thakur, Subash, Kim, Paul, Jacquet, Marc, Dykes, Thomas, Gerding, Joseph, Baker, Christopher, Debiasto, Mark, Mittleider, Derek, Higgins, George, III, Amberson, Steven, Pezzuti, Roger, Gallagher, Thomas, Schainfeld, Robert, Wicky, Stephan, Kalva, Sanjeeva, Walker, Gregory, Salazar, Gloria, Pomerantz, Benjamin, Patel, Virenda, Kabrhel, Christopher, Iqbal, Shams, Gangull, Suvranu, Oklu, Rahmi, Brannan, Scott, Misra, Sanjay, Bjarnason, Haraldur, Ashrani, Aneel, Caccavale, Michael, Fleming, Chad, Friese, Jeremy, Heit, John, Kalra, Manju, Macedo, Thanila, McBane, Robert, McKusick, Michael, Stockland, Andrew, Woodrum, David, Wysokinski, Waldemar, Verma, Adarsh, Davis, Andrew, Chung, Jerry, Nicker, David, Anderson, Brian, Stein, Robert, Weiss, Michael, Patel, Parag, Rilling, William, Tutton, Sean, Hieb, Robert, Hohenwalter, Eric, Colella, M. Riccardo, Gosset, James, White, Sarah, Lewis, Brian, Brown, Kellie, Rossi, Peter, Seabrook, Gary, Guimaraes, Marcelo, Selby, J. Bayne, McGary, William, Hannegan, Christopher, Robison, Jacob, Brothers, Thomas, Elliott, Bruce, Garg, Nitin, Anderson, M. Bret, Uflacker, Renan, Schonholz, Claudio, Raney, Laurence, Greenberg, Charles, Kaufman, John, Keller, Frederick, Kolbeck, Kenneth, Landry, Gregory, Mitchell, Erica, Barton, Robert, DeLoughery, Thomas, Kalbfleisch, Norman, Minjarez, Renee, Lakin, Paul, Liem, Timothy, Moneta, Gregory, Farsad, Khashayar, Fleischman, Ross, French, Loren, Marques, Vasco, Al−Hassani, Yasir, Sawar, Asad, Taylor, Frank, Patel, Rajul, Malhotra, Rahul, Hashemi, Farah, Padnick, Marvin, Gurley, Melissa, Cucher, Fred, Sterrenberg, Ronald, Deepthi, G. Reshmaal, Cumaranatunge, Gomes, Bhatla, Sumit, Jacobs, Darick, Dolen, Eric, Gamboa, Pablo, Dean, L. Mark, Davis, Thomas, Lippert, John, Khanna, Sanjeev, Schirf, Brian, Silber, Jeffrey, Wood, Donald, McGraw, J. Kevin, LaPerna, Lucy, Willette, Paul, Murphy, Timothy, Cerezo, Joselyn, Dhangana, Rajoo, Ahn, Sun Ho, Dubel, Gregory, Haas, Richard, Jay, Bryan, Prince, Ethan, Soares, Gregory, Klinger, James, Lambiase, Robert, Jay, Gregory, Tubbs, Robert, Beland, Michael, Hampson, Chris, O'Hara, Ryan, Thompson, Chad, Frodsham, Aaron, Gardiner, Fenwick, Jaffan, Abdel, Keating, Lawrence, Zafar, Abdul, Alicic, Radica, Raabe, Rodney, Brower, Jayson, McClellan, David, Pellow, Thomas, Zylak, Christopher, Davis, Joseph, Reilly, M. Kathleen, Symington, Kenneth, Seibold, Camerson, Nachreiner, Ryan, Murray, Daniel, Murray, Stephen, Saha, Sandeep, Luna, Gregory, Hodgson, Kim, McLafferty, Robert, Hood, Douglas, Moore, Colleen, Griffen, David, Hurst, Darren, Lubbers, David, Kim, Daniel, Warren, Brent, Engel, Jeremy, Suresh, D.P., VanderWoude, Eric, Razdan, Rahul, Hutchins, Mark, Rounsborg, Terry, Midathada, Madhu, Moravec, Daniel, Tilford, Joni, Beckman, Joni, Razavi, Mahmood, Openshaw, Kurt, Flanigan, D. Preston, Loh, Christopher, Dorne, Howard, Chan, Michael, Thomas, Jamie, Psaila, Justin, Ringold, Michael, Fisher, Jay, Lipcomb, Any, Oskin, Timothy, Wible, Brandt, Coleman, Brendan, Elliott, David, Gaddis, Gary, Cochran, C. Doug, Natarajan, Kannan, Bick, Stewart, Cooke, Jeffrey, Hedderman, Ann, Greist, Anne, Miller, Lorrie, Martinez, Brandon, Flanders, Vincent, Underhill, Mark, Hofmann, Lawrence, Sze, Daniel, Kuo, William, Louie, John, Hwang, Gloria, Hovsepian, David, Kothary, Nishita, Berube, Caroline, Schreiber, Donald, Jeffrey, Brooke, Schor, Jonathan, Deitch, Jonathan, Singh, Kuldeep, Hahn, Barry, Ardolic, Brahim, Gupta, Shilip, Bashir, Riyaz, Rao, Angara Koneti, Garg, Manish, Patil, Pravin, Zack, Chad, Cohen, Gary, Schmieder, Frank, Lakhter, Valdimir, Sacks, David, Guay, Robert, Scott, Mark, Cunningham, Karekin, Sigal, Adam, Cescon, Terrence, Leasure, Nick, Dhurairaj, Thiruvenkatasamy, Muck, Patrick, Knochel, Kurt, Lohr, Joann, Barreau, Jose, Recht, Matthew, Bhaskaran, Jayapandia, Brahmamdam, Ranga, Draper, David, Mehta, Apurva, Maher, James, Sharafuddin, Melhem, Lentz, Steven, Nugent, Andrew, Sharp, William, Kresowik, Timothy, Nicholson, Rachel, Sun, Shiliang, Youness, Fadi, Pascarella, Luigi, Ray, Charles, Knuttinen, Martha-Gracia, Bui, James, Gaba, Ron, Dobiesz, Valerie, Shamim, Ejaz, Nimmagadda, Sangeetha, Peace, David, Zain, Aarti, Palumto, Alison, Haskal, Ziv, Hirshon, Jon Mark, Richard, Howard, Verceles, Avelino, Wong-You-Chong, Jade, Othee, Bertrand, Patel, Rahul, Iliescu, Bogdan, Williams, David, Gemmete, Joseph, Cwikiel, Wojciech, Cho, Kyung, Schields, James, Vellody, Ranjith, Novelli, Paula, Dasika, Narasimham, Wakefield, Thomas, Desmond, Jeffrey, Froehlich, James, Khaja, Minhajuddin, Hunter, David, Golzarian, Jafar, Cressman, Erik, Dotta, Yvonne, Schmiechen, Nate, Marek, John, Garcia, David, Tawil, Isaac, Langsfeld, Mark, Moll, Stephan, Mauro, Matthew, Stavas, Joseph, Burke, Charles, Dixon, Robert, Yu, Hyeon, Keagy, Blair, Kim, Kyuny, Kasthuri, Raj, Key, Nigel, Chaer, Rabih, Makaroun, Michael, Rhee, Robert, Cho, Jae−Sung, Baril, Donald, Marone, Luke, Hseih, Margaret, Feterik, Kristian, Smith, Roy, Jeyabalan, Geetha, Rogers, Jennifer, Vinik, Russel, Kinikini, Dan, Kraiss, Larry, Mueller, Michelle, Pendleton, Robert, Rondina, Matthew, Sarfati, Mark, Wanner, Nathan, Johnson, Stacy, Hopkins, Christy, Ihnat, Daniel, Angle, John, Matsumoto, Alan, Harthun, Nancy, Turba, Ulku, Saad, Wael, Uthlaut, Brian, Nannapaneni, Srikant, Ling, David, Sabri, Saher, Kern, John, Macik, B. Gail, Hoke, George, Park, Auh Wahn, Stone, James, Sneed, Benjamin, Syverud, Scott, Davidson, Kelly, Sharma, Aditya, Wilkins, Luke, Black, Carl, Asay, Mark, Hatch, Daniel, Smilanich, Robert, Patten, Craig, Brown, S. Douglas, Nielsen, Ryan, Alward, William, Collins, John, Nokes, Matthew, Geary, Randolph, Edwards, Matthew, Godshall, Christopher, Levy, Pavel, Winokur, Ronald, Sista, Akhilesh, Madoff, David, Lee, Kyungmouk, Pua, Bradley, DeSancho, Maria, Milizia, Raffaele, Gao, Jing, McLean, Gordon, Khalid, Sanualah, Vedantham, Suresh, Lewis, Larry, Saad, Nael, Thoelke, Mark, Pallow, Robert, Klein, Seth, Sicard, Gregorio, Cohen, David J., Comerota, Anthony J., Gornik, Heather L., Jaff, Michael R., Julian, Jim, Kahn, Susan R., Kearon, Clive, Kee, Stephen, Kindzelski, Andrei L., Lewis, Lawrence, Magnuson, Elizabeth, Razavi, Mahmood K., Murphy, Timothy P., Julian, Jim A., Gu, Chu-Shu, Magnuson, Elizabeth A., Goldhaber, Samuel Z., Schneider, Joseph R., Sista, Akhilesh K., McLafferty, Robert B., Kaufman, John A., Wible, Brandt C., and Blinder, Morey

Published
2020
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9. The infrared imaging spectrograph (IRIS) for TMT: overview of innovative science programs

Author

Wright, Shelley A, Larkin, James E, Moore, Anna M, Do, Tuan, Simard, Luc, Adamkovics, Maté, Armus, Lee, Barth, Aaron J, Barton, Elizabeth, Boyce, Hope, Cooke, Jeffrey, Cote, Patrick, Davidge, Timothy, Ellerbroek, Brent, Ghez, Andrea M, Liu, Michael C, Lu, Jessica R, Macintosh, Bruce A, Mao, Shude, Marois, Christian, Schoeck, Matthias, Suzuki, Ryuji, Tan, Jonathan C, Treu, Tommaso, Wang, Lianqi, and Weiss, Jason

Subjects
Infrared Imaging, Infrared Spectroscopy, Integral Field Spectrographs, Adaptive Optics, Data Simulator, Giant Segmented Mirror Telescopes, astro-ph.IM
Abstract

IRIS (InfraRed Imaging Spectrograph) is a first light near-infrared diffraction limited imager and integral field spectrograph being designed for the future Thirty Meter Telescope (TMT). IRIS is optimized to perform astronomical studies across a significant fraction of cosmic time, from our Solar System to distant newly formed galaxies (Barton et al. [1]). We present a selection of the innovative science cases that are unique to IRIS in the era of upcoming space and ground-based telescopes. We focus on integral field spectroscopy of directly imaged exoplanet atmospheres, probing fundamental physics in the Galactic Center, measuring 104 to 1010 M supermassive black hole masses, resolved spectroscopy of young star-forming galaxies (1 < 5) and first light galaxies (6 < 12), and resolved spectroscopy of strong gravitational lensed sources to measure dark matter substructure. For each of these science cases we use the IRIS simulator (Wright et al. [2], Do et al. [3]) to explore IRIS capabilities. To highlight the unique IRIS capabilities, we also update the point and resolved source sensitivities for the integral field spectrograph (IFS) in all five broadband filters (Z, Y, J, H, K) for the finest spatial scale of 0.004" per spaxel. We briefly discuss future development plans for the data reduction pipeline and quicklook software for the IRIS instrument suite.

Published
2014

10. The Relations Between an Inventory-Based Measure of Executive Function and Impulsivity Factors in Alcohol- and Cannabis-Relevant Outcomes.

Author

Cooke, Jeffrey T, Schmidt, Adam T, Garos, Sheila, and Littlefield, Andrew K

Subjects
*EXECUTIVE function, *IMPULSIVE personality, *SENSATION seeking, *SUBSTANCE abuse, *REGRESSION analysis
Abstract

Objective: While the lack of relation between performance- and inventory-based executive function (EF) measures is well documented, there remains ambiguity between self-report EFs and closely related constructs (e.g., impulsivity) assessed via the same method. The degree of convergence between purported EF measures with similar yet distinct constructs contain important theoretical implications for available EF assessment strategies and their construct validity. A newer measure of EF, the Behavior Regulation Inventory of Executive Functions—Adult (BRIEF-A), allows for more direct comparisons to self-reported measures of impulsivity, such as the commonly used Urgency, Planning, Perseverance, Sensation Seeking—Positive Urgency (UPPS-P) assessment. Method: The present study used factor analysis and hierarchical regression to explore the associations between the BRIEF-A and UPPS-P, using alcohol and cannabis consumption across various outcomes (i.e., quantity-frequency and consequences) as an external criterion. Participants were 339 undergraduate students (Mage = 19.35; Female = 63%) from a large southwestern university. Results: The BRIEF-A and UPPS-P demonstrated strong correlations at both higher- and lower order facets. While the BRIEF-A was a significant correlate to many substance use outcomes, these relations were generally weaker than those seen with the UPPS-P. Hierarchical regression suggested limited contributions of the BRIEF-A over and above the UPPS-P. Conclusions: Overall, this study suggested substantial overlap between impulsigenic factors and EFs when measured by self-report, and limited utility of EF measures to account for unique variance with substance use outcomes in this sample. [ABSTRACT FROM AUTHOR]

Published
2023
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12. sj-pdf-1-cpx-10.1177_2167702620961067 – Supplemental material for Machine Learning to Classify Suicidal Thoughts and Behaviors: Implementation Within the Common Data Elements Used by the Military Suicide Research Consortium

Author

Littlefield, Andrew K., Cooke, Jeffrey T., Bagge, Courtney L., Glenn, Catherine R., Kleiman, Evan M., Jacobucci, Ross, Millner, Alexander J., and Steinley, Douglas

Subjects
FOS: Psychology, 170199 Psychology not elsewhere classified
Abstract

Supplemental material, sj-pdf-1-cpx-10.1177_2167702620961067 for Machine Learning to Classify Suicidal Thoughts and Behaviors: Implementation Within the Common Data Elements Used by the Military Suicide Research Consortium by Andrew K. Littlefield, Jeffrey T. Cooke, Courtney L. Bagge, Catherine R. Glenn, Evan M. Kleiman, Ross Jacobucci, Alexander J. Millner and Douglas Steinley in Clinical Psychological Science

Published
2021
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14. E-cigarette use among Asian Americans: a systematic review.

Author

Shi, Molin, Gette, Jordan A., Gissandaner, Tre D., Cooke, Jeffrey T., and Littlefield, Andrew K.

Subjects
PSYCHOLOGY information storage & retrieval systems, ONLINE information services, ELECTRONIC cigarettes, MINORITIES, SYSTEMATIC reviews, DISEASE prevalence, SMOKING, MEDLINE, ETHNIC groups, ADULTS, ADOLESCENCE
Abstract

The use of electronic cigarettes (e-cigarettes) has been rising among adolescents and adults in the United States, including among Asian Americans. However, despite being one of the largest racial/ethnic minority groups, the specific trends and patterns of e-cigarette use among Asian Americans are understudied and unclear. This review aimed to summarize relevant information in the last two decades. This systematic review followed the a priori guide outlined by the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) statement. Articles were gathered from PsycINFO, PubMed, Sage Journals Online, ScienceDirect, and SpringerLink. Forty articles were reviewed and analyzed. Most articles reviewed only reported on the prevalence rate of e-cigarettes among Asian Americans and indicated regional differences. Results noted between- and within-group differences among racial/ethnic groups that warrant further examination. There is a dearth of information regarding health outcomes and correlates or predictors of e-cigarette use among Asian Americans. Despite its popularity and prevalence among Asian Americans, the use of e-cigarettes and related factors or outcomes deserves more nuanced studies and analyses. It is important to delineate subgroup differences by adjusting study designs and data analytic methods to glean meaningful information regarding Asian American's e-cigarette use in the future. [ABSTRACT FROM AUTHOR]

Published
2022
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16. Suicide Risk--Model

Author

Littlefield, Andrew K., primary, Cooke, Jeffrey T., additional, Bagge, Courtney L., additional, Glenn, Catherine R., additional, Kleiman, Evan M., additional, Jacobucci, Ross, additional, Millner, Alexander J., additional, and Steinley, Douglas, additional

Published
2021
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18. Quality of life after pharmacomechanical catheter-directed thrombolysis for proximal deep venous thrombosis

Author

Kahn, Susan R., primary, Julian, Jim A., additional, Kearon, Clive, additional, Gu, Chu-Shu, additional, Cohen, David J., additional, Magnuson, Elizabeth A., additional, Comerota, Anthony J., additional, Goldhaber, Samuel Z., additional, Jaff, Michael R., additional, Razavi, Mahmood K., additional, Kindzelski, Andrei L., additional, Schneider, Joseph R., additional, Kim, Paul, additional, Chaer, Rabih, additional, Sista, Akhilesh K., additional, McLafferty, Robert B., additional, Kaufman, John A., additional, Wible, Brandt C., additional, Blinder, Morey, additional, Vedantham, Suresh, additional, Sichlau, Michael, additional, Vlahos, Athanasios, additional, Smith, Steven, additional, Thalheimer, Quinn, additional, Singh, Nisha, additional, Harting, Rekha, additional, Gocke, John, additional, Guth, Scott, additional, Shah, Neel, additional, Brady, Paul, additional, Schatz, Marvin, additional, Horrow, Mindy, additional, Markazi, Peyman, additional, Forouzan, Leli, additional, Matalon, Terence A.S., additional, Hertzog, David, additional, Goday, Swapna, additional, Kennedy, Margaret, additional, Kaplan, Robert, additional, Campbell, Thomas, additional, Hartman, Jamie, additional, Nahum, Elmer, additional, Venkat, Arvind, additional, Krishnamurthy, Venkataramu, additional, Rectenwald, John, additional, Henke, Peter, additional, Eliason, Jonathan, additional, Willatt, Jonathon, additional, Escobar, Guillermo, additional, Samuels, Shaun, additional, Katzen, Barry, additional, Benenati, James, additional, Powell, Alex, additional, Pena, Constantino, additional, Wallach, Howard, additional, Gandhi, Ripal, additional, Schneider, Joseph, additional, Kim, Stanley, additional, Hashemi, Farrah, additional, Boyle, Joseph, additional, Patel, Nilesh, additional, Verta, Michael, additional, Leung, Daniel, additional, Garcia, Marc, additional, Blatt, Phillip, additional, Khatri, Jamil, additional, Epstein, Dave, additional, Ryan, Randall, additional, Sweeny, Tom, additional, Stillabower, Michael, additional, Kimbiris, George, additional, Raman, Tuhina, additional, Sierzenski, Paul, additional, Getto, Lelia, additional, Dignazio, Michael, additional, Horvath, Mark, additional, Gornik, Heather, additional, Bartholomew, John, additional, Shishehbor, Mehdi, additional, Peacock, Frank, additional, Joseph, Douglas, additional, Kim, Soo Hyum, additional, Mahlay, Natalia Fendrikova, additional, Clair, Daniel, additional, Lyden, Sean, additional, Kapoor, Baljendra, additional, McLennon, Gordon, additional, Pierce, Gregory, additional, Newman, James, additional, Spain, James, additional, Gill, Amanjiit, additional, Hamilton, Aaron, additional, Rizzo, Anthony, additional, Park, Woosup, additional, Dietzek, Alan, additional, Galin, Ira, additional, Plummer, Dahlia, additional, Hsu, Richard, additional, Broderick, Patrick, additional, Keller, Andrew, additional, Sayeed, Sameer, additional, Slater, Dennis, additional, Lustberg, Herb, additional, Akus, Jan, additional, Sidman, Robert, additional, Dhami, Mandeep, additional, Kohanski, Phillip, additional, Bulgaru, Anca, additional, Dulala, Renuka, additional, Burch, James, additional, Kapur, Dinesh, additional, Yang, Jie, additional, Ranson, Mark, additional, Wladis, Alan, additional, Varnagy, David, additional, Mekhail, Tarek, additional, Winter, Robert, additional, Perez-Izquierdo, Manuel, additional, Motew, Stephen, additional, Royd-Kranis, Robin, additional, Workman, Raymond, additional, Kribbs, Scott, additional, Hogsette, Gerald, additional, Moore, Phillip, additional, Thomason, Bradley, additional, Means, William, additional, Bonsall, Richard, additional, Stewart, John, additional, Golwya, Daniel, additional, Azene, Ezana, additional, Bottner, Wayne, additional, Bishop, William, additional, Clayton, Dave, additional, Gundersen, Lincoln, additional, Riherd, Jody, additional, Shakhnovich, Irina, additional, Ziegelbein, Kurt, additional, Chang, Thomas, additional, Sharma, Karun, additional, Allison, Sandra, additional, Banovac, Fil, additional, Cohen, Emil, additional, Furlong, Brendan, additional, Kessler, Craig, additional, McCullough, Mike, additional, Spies, Jim, additional, Lin, Judith, additional, Kaatz, Scott, additional, Getzen, Todd, additional, Miller, Joseph, additional, Schwartz, Scott, additional, Kabbani, Loay, additional, McVinnie, David, additional, Rundback, John, additional, Manno, Joseph, additional, Schwab, Richard, additional, Cole, Randolph, additional, Herman, Kevin, additional, Singh, David, additional, Barkama, Ravit, additional, Patel, Amish, additional, Comerota, Anthony, additional, Pigott, John, additional, Seiwert, Andrew, additional, Whalen, Ralph, additional, Russell, Todd, additional, Assi, Zakaria, additional, Kazanjian, Sahira, additional, Yobbagy, Jonathan, additional, Kaminski, Brian, additional, Kaufman, Allan, additional, Begeman, Garett, additional, DiSalle, Robert, additional, Thakur, Subash, additional, Jacquet, Marc, additional, Dykes, Thomas, additional, Gerding, Joseph, additional, Baker, Christopher, additional, Debiasto, Mark, additional, Mittleider, Derek, additional, Higgins, George, additional, Amberson, Steven, additional, Pezzuti, Roger, additional, Gallagher, Thomas, additional, Schainfeld, Robert, additional, Wicky, Stephan, additional, Kalva, Sanjeeva, additional, Walker, Gregory, additional, Salazar, Gloria, additional, Pomerantz, Benjamin, additional, Patel, Virenda, additional, Kabrhel, Christopher, additional, Iqbal, Shams, additional, Gangull, Suvranu, additional, Oklu, Rahmi, additional, Brannan, Scott, additional, Misra, Sanjay, additional, Bjarnason, Haraldur, additional, Ashrani, Aneel, additional, Caccavale, Michael, additional, Fleming, Chad, additional, Friese, Jeremy, additional, Heit, John, additional, Kalra, Manju, additional, Macedo, Thanila, additional, McBane, Robert, additional, McKusick, Michael, additional, Stockland, Andrew, additional, Woodrum, David, additional, Wysokinski, Waldemar, additional, Verma, Adarsh, additional, Davis, Andrew, additional, Chung, Jerry, additional, Nicker, David, additional, Anderson, Brian, additional, Stein, Robert, additional, Weiss, Michael, additional, Patel, Parag, additional, Rilling, William, additional, Tutton, Sean, additional, Hieb, Robert, additional, Hohenwalter, Eric, additional, Colella, M. Riccardo, additional, Gosset, James, additional, White, Sarah, additional, Lewis, Brian, additional, Brown, Kellie, additional, Rossi, Peter, additional, Seabrook, Gary, additional, Guimaraes, Marcelo, additional, Selby, J. Bayne, additional, McGary, William, additional, Hannegan, Christopher, additional, Robison, Jacob, additional, Brothers, Thomas, additional, Elliott, Bruce, additional, Garg, Nitin, additional, Anderson, M. Bret, additional, Uflacker, Renan, additional, Schonholz, Claudio, additional, Raney, Laurence, additional, Greenberg, Charles, additional, Kaufman, John, additional, Keller, Frederick, additional, Kolbeck, Kenneth, additional, Landry, Gregory, additional, Mitchell, Erica, additional, Barton, Robert, additional, DeLoughery, Thomas, additional, Kalbfleisch, Norman, additional, Minjarez, Renee, additional, Lakin, Paul, additional, Liem, Timothy, additional, Moneta, Gregory, additional, Farsad, Khashayar, additional, Fleischman, Ross, additional, French, Loren, additional, Marques, Vasco, additional, Al−Hassani, Yasir, additional, Sawar, Asad, additional, Taylor, Frank, additional, Patel, Rajul, additional, Malhotra, Rahul, additional, Hashemi, Farah, additional, Padnick, Marvin, additional, Gurley, Melissa, additional, Cucher, Fred, additional, Sterrenberg, Ronald, additional, Deepthi, G. Reshmaal, additional, Cumaranatunge, Gomes, additional, Bhatla, Sumit, additional, Jacobs, Darick, additional, Dolen, Eric, additional, Gamboa, Pablo, additional, Dean, L. Mark, additional, Davis, Thomas, additional, Lippert, John, additional, Khanna, Sanjeev, additional, Schirf, Brian, additional, Silber, Jeffrey, additional, Wood, Donald, additional, McGraw, J. Kevin, additional, LaPerna, Lucy, additional, Willette, Paul, additional, Murphy, Timothy, additional, Cerezo, Joselyn, additional, Dhangana, Rajoo, additional, Ahn, Sun Ho, additional, Dubel, Gregory, additional, Haas, Richard, additional, Jay, Bryan, additional, Prince, Ethan, additional, Soares, Gregory, additional, Klinger, James, additional, Lambiase, Robert, additional, Jay, Gregory, additional, Tubbs, Robert, additional, Beland, Michael, additional, Hampson, Chris, additional, O'Hara, Ryan, additional, Thompson, Chad, additional, Frodsham, Aaron, additional, Gardiner, Fenwick, additional, Jaffan, Abdel, additional, Keating, Lawrence, additional, Zafar, Abdul, additional, Alicic, Radica, additional, Raabe, Rodney, additional, Brower, Jayson, additional, McClellan, David, additional, Pellow, Thomas, additional, Zylak, Christopher, additional, Davis, Joseph, additional, Reilly, M. Kathleen, additional, Symington, Kenneth, additional, Seibold, Camerson, additional, Nachreiner, Ryan, additional, Murray, Daniel, additional, Murray, Stephen, additional, Saha, Sandeep, additional, Luna, Gregory, additional, Hodgson, Kim, additional, McLafferty, Robert, additional, Hood, Douglas, additional, Moore, Colleen, additional, Griffen, David, additional, Hurst, Darren, additional, Lubbers, David, additional, Kim, Daniel, additional, Warren, Brent, additional, Engel, Jeremy, additional, Suresh, D.P., additional, VanderWoude, Eric, additional, Razdan, Rahul, additional, Hutchins, Mark, additional, Rounsborg, Terry, additional, Midathada, Madhu, additional, Moravec, Daniel, additional, Tilford, Joni, additional, Beckman, Joni, additional, Razavi, Mahmood, additional, Openshaw, Kurt, additional, Flanigan, D. Preston, additional, Loh, Christopher, additional, Dorne, Howard, additional, Chan, Michael, additional, Thomas, Jamie, additional, Psaila, Justin, additional, Ringold, Michael, additional, Fisher, Jay, additional, Lipcomb, Any, additional, Oskin, Timothy, additional, Wible, Brandt, additional, Coleman, Brendan, additional, Elliott, David, additional, Gaddis, Gary, additional, Cochran, C. Doug, additional, Natarajan, Kannan, additional, Bick, Stewart, additional, Cooke, Jeffrey, additional, Hedderman, Ann, additional, Greist, Anne, additional, Miller, Lorrie, additional, Martinez, Brandon, additional, Flanders, Vincent, additional, Underhill, Mark, additional, Hofmann, Lawrence, additional, Sze, Daniel, additional, Kuo, William, additional, Louie, John, additional, Hwang, Gloria, additional, Hovsepian, David, additional, Kothary, Nishita, additional, Berube, Caroline, additional, Schreiber, Donald, additional, Jeffrey, Brooke, additional, Schor, Jonathan, additional, Deitch, Jonathan, additional, Singh, Kuldeep, additional, Hahn, Barry, additional, Ardolic, Brahim, additional, Gupta, Shilip, additional, Bashir, Riyaz, additional, Rao, Angara Koneti, additional, Garg, Manish, additional, Patil, Pravin, additional, Zack, Chad, additional, Cohen, Gary, additional, Schmieder, Frank, additional, Lakhter, Valdimir, additional, Sacks, David, additional, Guay, Robert, additional, Scott, Mark, additional, Cunningham, Karekin, additional, Sigal, Adam, additional, Cescon, Terrence, additional, Leasure, Nick, additional, Dhurairaj, Thiruvenkatasamy, additional, Muck, Patrick, additional, Knochel, Kurt, additional, Lohr, Joann, additional, Barreau, Jose, additional, Recht, Matthew, additional, Bhaskaran, Jayapandia, additional, Brahmamdam, Ranga, additional, Draper, David, additional, Mehta, Apurva, additional, Maher, James, additional, Sharafuddin, Melhem, additional, Lentz, Steven, additional, Nugent, Andrew, additional, Sharp, William, additional, Kresowik, Timothy, additional, Nicholson, Rachel, additional, Sun, Shiliang, additional, Youness, Fadi, additional, Pascarella, Luigi, additional, Ray, Charles, additional, Knuttinen, Martha-Gracia, additional, Bui, James, additional, Gaba, Ron, additional, Dobiesz, Valerie, additional, Shamim, Ejaz, additional, Nimmagadda, Sangeetha, additional, Peace, David, additional, Zain, Aarti, additional, Palumto, Alison, additional, Haskal, Ziv, additional, Hirshon, Jon Mark, additional, Richard, Howard, additional, Verceles, Avelino, additional, Wong-You-Chong, Jade, additional, Othee, Bertrand, additional, Patel, Rahul, additional, Iliescu, Bogdan, additional, Williams, David, additional, Gemmete, Joseph, additional, Cwikiel, Wojciech, additional, Cho, Kyung, additional, Schields, James, additional, Vellody, Ranjith, additional, Novelli, Paula, additional, Dasika, Narasimham, additional, Wakefield, Thomas, additional, Desmond, Jeffrey, additional, Froehlich, James, additional, Khaja, Minhajuddin, additional, Hunter, David, additional, Golzarian, Jafar, additional, Cressman, Erik, additional, Dotta, Yvonne, additional, Schmiechen, Nate, additional, Marek, John, additional, Garcia, David, additional, Tawil, Isaac, additional, Langsfeld, Mark, additional, Moll, Stephan, additional, Mauro, Matthew, additional, Stavas, Joseph, additional, Burke, Charles, additional, Dixon, Robert, additional, Yu, Hyeon, additional, Keagy, Blair, additional, Kim, Kyuny, additional, Kasthuri, Raj, additional, Key, Nigel, additional, Makaroun, Michael, additional, Rhee, Robert, additional, Cho, Jae−Sung, additional, Baril, Donald, additional, Marone, Luke, additional, Hseih, Margaret, additional, Feterik, Kristian, additional, Smith, Roy, additional, Jeyabalan, Geetha, additional, Rogers, Jennifer, additional, Vinik, Russel, additional, Kinikini, Dan, additional, Kraiss, Larry, additional, Mueller, Michelle, additional, Pendleton, Robert, additional, Rondina, Matthew, additional, Sarfati, Mark, additional, Wanner, Nathan, additional, Johnson, Stacy, additional, Hopkins, Christy, additional, Ihnat, Daniel, additional, Angle, John, additional, Matsumoto, Alan, additional, Harthun, Nancy, additional, Turba, Ulku, additional, Saad, Wael, additional, Uthlaut, Brian, additional, Nannapaneni, Srikant, additional, Ling, David, additional, Sabri, Saher, additional, Kern, John, additional, Macik, B. Gail, additional, Hoke, George, additional, Park, Auh Wahn, additional, Stone, James, additional, Sneed, Benjamin, additional, Syverud, Scott, additional, Davidson, Kelly, additional, Sharma, Aditya, additional, Wilkins, Luke, additional, Black, Carl, additional, Asay, Mark, additional, Hatch, Daniel, additional, Smilanich, Robert, additional, Patten, Craig, additional, Brown, S. Douglas, additional, Nielsen, Ryan, additional, Alward, William, additional, Collins, John, additional, Nokes, Matthew, additional, Geary, Randolph, additional, Edwards, Matthew, additional, Godshall, Christopher, additional, Levy, Pavel, additional, Winokur, Ronald, additional, Sista, Akhilesh, additional, Madoff, David, additional, Lee, Kyungmouk, additional, Pua, Bradley, additional, DeSancho, Maria, additional, Milizia, Raffaele, additional, Gao, Jing, additional, McLean, Gordon, additional, Khalid, Sanualah, additional, Lewis, Larry, additional, Saad, Nael, additional, Thoelke, Mark, additional, Pallow, Robert, additional, Klein, Seth, additional, Sicard, Gregorio, additional, Gornik, Heather L., additional, Julian, Jim, additional, Kahn, Susan R., additional, Kee, Stephen, additional, Lewis, Lawrence, additional, Magnuson, Elizabeth, additional, and Murphy, Timothy P., additional

Published
2020
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22. The InfraRed Imaging Spectrograph (IRIS) for TMT: Overview of innovative science programs

Author

Wright, Shelley A., Larkin, J, Moore, Anna, Do, Tuan, Simard, Luc, Adamkovics, Mate, Armus, Lee, Barth, Aaron J, Barton, Elizabeth J, Boyce, Hope, Cooke, Jeffrey, Wright, Shelley A., Larkin, J, Moore, Anna, Do, Tuan, Simard, Luc, Adamkovics, Mate, Armus, Lee, Barth, Aaron J, Barton, Elizabeth J, Boyce, Hope, and Cooke, Jeffrey

Abstract

IRIS (InfraRed Imaging Spectrograph) is a first light near-infrared diffraction limited imager and integral field spectrograph being designed for the future Thirty Meter Telescope (TMT). IRIS is optimized to perform astronomical studies across a significant fraction of cosmic time, from our Solar System to distant newly formed galaxies (Barton et al. [1]). We present a selection of the innovative science cases that are unique to IRIS in the era of upcoming space and ground-based telescopes. We focus on integral field spectroscopy of directly imaged exoplanet atmospheres, probing fundamental physics in the Galactic Center, measuring 104 to 1010 M supermassive black hole masses, resolved spectroscopy of young star-forming galaxies (1 < 5) and first light galaxies (6 < 12), and resolved spectroscopy of strong gravitational lensed sources to measure dark matter substructure. For each of these science cases we use the IRIS simulator (Wright et al. [2], Do et al. [3]) to explore IRIS capabilities. To highlight the unique IRIS capabilities, we also update the point and resolved source sensitivities for the integral field spectrograph (IFS) in all five broadband filters (Z, Y, J, H, K) for the finest spatial scale of 0.004" per spaxel. We briefly discuss future development plans for the data reduction pipeline and quicklook software for the IRIS instrument suite.

Published
2014

23. The infrared imaging spectrograph (IRIS) for TMT: overview of innovative science programs

Author

Ramsay, Suzanne K., McLean, Ian S., Takami, Hideki, Wright, Shelley A., Larkin, James E., Moore, Anna M., Do, Tuan, Simard, Luc, Ádámkovics, Máté, Armus, Lee, Barth, Aaron J., Barton, Elizabeth J., Boyce, Hope, Cooke, Jeffrey, Côté, Patrick, Davidge, Timothy, Ellerbroek, Brent, Ghez, Andrea M., Liu, Michael C., Lu, Jessica R., Macintosh, Bruce, Mao, Shude, Marois, Christian, Schoeck, Mathias, Suzuki, Ryuji, Tan, Jonathan C., Treu, Tommaso, Wang, Lianqi, Weiss, Jason, Ramsay, Suzanne K., McLean, Ian S., Takami, Hideki, Wright, Shelley A., Larkin, James E., Moore, Anna M., Do, Tuan, Simard, Luc, Ádámkovics, Máté, Armus, Lee, Barth, Aaron J., Barton, Elizabeth J., Boyce, Hope, Cooke, Jeffrey, Côté, Patrick, Davidge, Timothy, Ellerbroek, Brent, Ghez, Andrea M., Liu, Michael C., Lu, Jessica R., Macintosh, Bruce, Mao, Shude, Marois, Christian, Schoeck, Mathias, Suzuki, Ryuji, Tan, Jonathan C., Treu, Tommaso, Wang, Lianqi, and Weiss, Jason

Abstract

IRIS (InfraRed Imaging Spectrograph) is a first light near-infrared diffraction limited imager and integral field spectrograph being designed for the future Thirty Meter Telescope (TMT). IRIS is optimized to perform astronomical studies across a significant fraction of cosmic time, from our Solar System to distant newly formed galaxies (Barton et al. [1]). We present a selection of the innovative science cases that are unique to IRIS in the era of upcoming space and ground-based telescopes. We focus on integral field spectroscopy of directly imaged exoplanet atmospheres, probing fundamental physics in the Galactic Center, measuring 10^4 to 10^(10) M_⊙ supermassive black hole masses, resolved spectroscopy of young star-forming galaxies (1 < z < 5) and first light galaxies (6 < z < 12), and resolved spectroscopy of strong gravitational lensed sources to measure dark matter substructure. For each of these science cases we use the IRIS simulator (Wright et al. [2], Do et al. [3]) to explore IRIS capabilities. To highlight the unique IRIS capabilities, we also update the point and resolved source sensitivities for the integral field spectrograph (IFS) in all five broadband filters (Z, Y, J, H, K) for the finest spatial scale of 0.004" per spaxel. We briefly discuss future development plans for the data reduction pipeline and quicklook software for the IRIS instrument suite.

Published
2014

24. The infrared imaging spectrograph (IRIS) for TMT: overview of innovative science programs

Author

Wright, Shelley A., additional, Larkin, James E., additional, Moore, Anna M., additional, Do, Tuan, additional, Simard, Luc, additional, Adamkovics, Maté, additional, Armus, Lee, additional, Barth, Aaron J., additional, Barton, Elizabeth, additional, Boyce, Hope, additional, Cooke, Jeffrey, additional, Cote, Patrick, additional, Davidge, Timothy, additional, Ellerbroek, Brent, additional, Ghez, Andrea M., additional, Liu, Michael C., additional, Lu, Jessica R., additional, Macintosh, Bruce A., additional, Mao, Shude, additional, Marois, Christian, additional, Schoeck, Matthias, additional, Suzuki, Ryuji, additional, Tan, Jonathan C., additional, Treu, Tommaso, additional, Wang, Lianqi, additional, and Weiss, Jason, additional

Published
2014
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26. Capsular polysaccharide production and serum survival of Vibrio vulnificus are dependent on antitermination control by RfaH.

Author

Garrett, Shana B., Garrison-Schilling, Katherine L., Cooke, Jeffrey T., and Pettis, Gregg S.

Subjects
POLYSACCHARIDES, SERUM, VIBRIO vulnificus, GENE expression, MICROBIAL virulence
Abstract

The human pathogen Vibrio vulnificus undergoes phase variation among colonial morphotypes, including a virulent opaque form which produces capsular polysaccharide ( CPS) and a translucent phenotype that produces little or no CPS and is attenuated. Here, we found that a V. vulnificus mutant defective for RfaH antitermination control showed a diminished capacity to undergo phase variation and displayed significantly reduced distal gene expression within the Group I CPS operon. Moreover, the rfaH mutant produced negligible CPS and was highly sensitive to killing by normal human serum, results which indicate that RfaH is likely essential for virulence in this bacterium. [ABSTRACT FROM AUTHOR]

Published
2016
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27. Tetramesitylgermasilene: Synthesis And Reactivity Of A Germanium-silicon Double Bond

Author

Cooke, Jeffrey A

Subjects
Chemistry, Organic
Abstract

This thesis describes the synthesis of tetramesitylgermasilene (Mesityl=2,4,6-trimethylphenyl), the first example of a compound containing a germanium-silicon double bond, from hexamesitylsiladigermirane, the first compound containing a three-membered ring composed of two germanium atoms and one silicon atom. The synthesis can be effected both thermochemically and photochemically; however, the germasilene can only be characterized in solution at {dollar}{lcub}-78{rcub}\sp\circ{dollar}C.;In addition, a remarkable 1,2-mesityl rearrangement of the germasilene to form a silylgermylene is reported, with discussion describing a similar rearrangement found in tetramesityldigermene, a compound containing a germanium-germanium double bond. Finally, the thesis details initial investigations into the reactivity of the germasilene with various protic reagents and carbonyl compounds.;Throughout the thesis, emphasis is placed on rationalizing the reactivity of the germasilene with respect to similar compounds containing double bonds between the heavier group 14 elements. Comparisons to the theoretical predictions of the structure and reactivity of these compounds are included, and attempts are made to rationalize any differences between what is predicted theoretically and what is found experimentally.

Published
1994

30. Improved performance of the laser guide star adaptive optics system at Lick Observatory

Author

Olivier, Scot S., primary, Gavel, Donald T., additional, Friedman, Herbert W., additional, Max, Claire E., additional, An, Jong R., additional, Avicola, Kenneth, additional, Bauman, Brian J., additional, Brase, James M., additional, Campbell, Eugene W., additional, Carrano, Carmen J., additional, Cooke, Jeffrey B., additional, Freeze, Gary J., additional, Gates, Elinor L., additional, Kanz, Vernon K., additional, Kuklo, Thomas C., additional, Macintosh, Bruce A., additional, Newman, Michael J., additional, Pierce, Edward L., additional, Waltjen, Kenneth E., additional, and Watson, James A., additional

Published
1999
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31. Design and performance of a laser guide star system for the Keck II telescope

Author

Friedman, Herbert W., primary, Cooke, Jeffrey B., additional, Danforth, Pamela M., additional, Erbert, Gaylen V., additional, Feldman, Mark, additional, Gavel, Donald T., additional, Jenkins, Sherman L., additional, Jones, Holger E., additional, Kanz, Vernon K., additional, Kuklo, Thomas C., additional, Newman, Michael J., additional, Pierce, Edward L., additional, Presta, Robert W., additional, Salmon, J. Thaddeus, additional, Thompson, Gary R., additional, and Wong, Jen Nan, additional

Published
1998
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42. Scientists are turning data into sound to listen to the whispers of the universe (and more).

Author

Cooke, Jeffrey

Subjects
UNIVERSE, SELF-disclosure
Abstract

More than meets the eye Data sonification is useful for interpreting sciencebecause humans interpret audio information faster thanvisual information. Data sonification is the process of converting data intosound. We often think of astronomy as a visual science withbeautiful images of the universe. [Extracted from the article]

Published
2022

43. mail bonding

Author

Cooke, Jeffrey L.

Abstract

I thoroughly enjoyed the 'Ignite' piece in your [HP-UX Admin Man] column. I work for a Dept. of Defense system integrator and we recommend Ignite be used locally for creating […]

Published
1999

44. Rapid Spectroscopy of Elusive Transients and Young Supernovae

Author

Kasliwal, Mansi, Cao, Yi, Kulkarni, Shri, Kerkwijk, Marten, Gal-Yam, Avishay, Cooke, Jeffrey, Yaron, Ofer, Ofek, Eran, Goobar, Ariel, Sollerman, Jesper, Amanullah, Rahman, Cenko, Bradley, Quimby, Robert, Bernard, Stephanie, Tyler Pritchard, Horesh, Assaf, Arcavi, Iair, Valenti, Stefano, Howell, Andy, Singer, Leo, Wozniak, Przemek, and Vestrand, Tom

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