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1. Hidden depths in the local Universe: The Stellar Stream Legacy Survey

Author

Martínez-Delgado, David, primary, Cooper, Andrew P., additional, Román, Javier, additional, Pillepich, Annalisa, additional, Erkal, Denis, additional, Pearson, Sarah, additional, Moustakas, John, additional, Laporte, Chervin F. P., additional, Laine, Seppo, additional, Akhlaghi, Mohammad, additional, Lang, Dustin, additional, Makarov, Dmitry, additional, Borlaff, Alejandro S., additional, Donatiello, Giuseppe, additional, Pearson, William J., additional, Miró-Carretero, Juan, additional, Cuillandre, Jean-Charles, additional, Domínguez, Helena, additional, Roca-Fàbrega, Santi, additional, Frenk, Carlos S., additional, Schmidt, Judy, additional, Gómez-Flechoso, María A., additional, Guzman, Rafael, additional, Libeskind, Noam I., additional, Dey, Arjun, additional, Weaver, Benjamin A., additional, Schlegel, David, additional, Myers, Adam D., additional, and Valdes, Frank G., additional

Published
2023
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2. Hidden depths in the local Universe: The Stellar Stream Legacy Survey

Author

Ministerio de Ciencia e Innovación (España), European Research Council, European Commission, Martínez-Delgado, David, Cooper, Andrew P., Román, Javier, Pillepich, Annalisa, Erkal, Denis, Pearson, Sarah, Moustakas, John, Laporte, Chervin F. P., Laine, Seppo, Akhlaghi, Mohammad, Lang, Dustin, Makarov, Dmitry, Borlaff, Alejandro S., Donatiello, Giuseppe, Pearson, William J., Miró-Carretero, Juan, Cuillandre, Jean-Charles, Domínguez Sánchez, Helena, Roca-Fàbrega, Santi, Frenk, Carlos S., Schmidt, Judy, Gómez-Flechoso, María A., Guzman, Rafael, Libeskind, Noam I., Dey, Arjun, Weaver, Benjamin A., Schlegel, David J., Myers, Adam D., Valdes, Frank G., Ministerio de Ciencia e Innovación (España), European Research Council, European Commission, Martínez-Delgado, David, Cooper, Andrew P., Román, Javier, Pillepich, Annalisa, Erkal, Denis, Pearson, Sarah, Moustakas, John, Laporte, Chervin F. P., Laine, Seppo, Akhlaghi, Mohammad, Lang, Dustin, Makarov, Dmitry, Borlaff, Alejandro S., Donatiello, Giuseppe, Pearson, William J., Miró-Carretero, Juan, Cuillandre, Jean-Charles, Domínguez Sánchez, Helena, Roca-Fàbrega, Santi, Frenk, Carlos S., Schmidt, Judy, Gómez-Flechoso, María A., Guzman, Rafael, Libeskind, Noam I., Dey, Arjun, Weaver, Benjamin A., Schlegel, David J., Myers, Adam D., and Valdes, Frank G.

Abstract

Context. Mergers and tidal interactions between massive galaxies and their dwarf satellites are a fundamental prediction of the Lambda-cold dark matter cosmology. These events are thought to provide important observational diagnostics of non-linear structure formation. Stellar streams in the Milky Way and Andromeda are spectacular evidence for ongoing satellite disruption. However, constructing a statistically meaningful sample of tidal streams beyond the Local Group has proven a daunting observational challenge, and the full potential for deepening our understanding of galaxy assembly using stellar streams has yet to be realised. Aims. Here we introduce the Stellar Stream Legacy Survey, a systematic imaging survey of tidal features associated with dwarf galaxy accretion around a sample of ∼3100 nearby galaxies within z ∼ 0.02, including about 940 Milky Way analogues. Methods. Our survey exploits public deep imaging data from the DESI Legacy Imaging Surveys, which reach surface brightness as faint as ∼29 mag arcsec−2 in the r band. As a proof of concept of our survey, we report the detection and broad-band photometry of 24 new stellar streams in the local Universe. Results. We discuss how these observations can yield new constraints on galaxy formation theory through comparison to mock observations from cosmological galaxy simulations. These tests will probe the present-day mass assembly rate of galaxies, the stellar populations and orbits of satellites, the growth of stellar halos, and the resilience of stellar disks to satellite bombardment. © The Authors 2023.

Published
2023

3. The Sloan Digital Sky Survey Quasar Catalog: Fourteenth data release

Author

Pâris, Isabelle, primary, Petitjean, Patrick, additional, Aubourg, Éric, additional, Myers, Adam D., additional, Streblyanska, Alina, additional, Lyke, Brad W., additional, Anderson, Scott F., additional, Armengaud, Éric, additional, Bautista, Julian, additional, Blanton, Michael R., additional, Blomqvist, Michael, additional, Brinkmann, Jonathan, additional, Brownstein, Joel R., additional, Brandt, William Nielsen, additional, Burtin, Étienne, additional, Dawson, Kyle, additional, de la Torre, Sylvain, additional, Georgakakis, Antonis, additional, Gil-Marín, Héctor, additional, Green, Paul J., additional, Hall, Patrick B., additional, Kneib, Jean-Paul, additional, LaMassa, Stephanie M., additional, Le Goff, Jean-Marc, additional, MacLeod, Chelsea, additional, Mariappan, Vivek, additional, McGreer, Ian D., additional, Merloni, Andrea, additional, Noterdaeme, Pasquier, additional, Palanque-Delabrouille, Nathalie, additional, Percival, Will J., additional, Ross, Ashley J., additional, Rossi, Graziano, additional, Schneider, Donald P., additional, Seo, Hee-Jong, additional, Tojeiro, Rita, additional, Weaver, Benjamin A., additional, Weijmans, Anne-Marie, additional, Yèche, Christophe, additional, Zarrouk, Pauline, additional, and Zhao, Gong-Bo, additional

Published
2018
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4. The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release

Author

Pâris, Isabelle, primary, Petitjean, Patrick, additional, Ross, Nicholas P., additional, Myers, Adam D., additional, Aubourg, Éric, additional, Streblyanska, Alina, additional, Bailey, Stephen, additional, Armengaud, Éric, additional, Palanque-Delabrouille, Nathalie, additional, Yèche, Christophe, additional, Hamann, Fred, additional, Strauss, Michael A., additional, Albareti, Franco D., additional, Bovy, Jo, additional, Bizyaev, Dmitry, additional, Niel Brandt, W., additional, Brusa, Marcella, additional, Buchner, Johannes, additional, Comparat, Johan, additional, Croft, Rupert A. C., additional, Dwelly, Tom, additional, Fan, Xiaohui, additional, Font-Ribera, Andreu, additional, Ge, Jian, additional, Georgakakis, Antonis, additional, Hall, Patrick B., additional, Jiang, Linhua, additional, Kinemuchi, Karen, additional, Malanushenko, Elena, additional, Malanushenko, Viktor, additional, McMahon, Richard G., additional, Menzel, Marie-Luise, additional, Merloni, Andrea, additional, Nandra, Kirpal, additional, Noterdaeme, Pasquier, additional, Oravetz, Daniel, additional, Pan, Kaike, additional, Pieri, Matthew M., additional, Prada, Francisco, additional, Salvato, Mara, additional, Schlegel, David J., additional, Schneider, Donald P., additional, Simmons, Audrey, additional, Viel, Matteo, additional, Weinberg, David H., additional, and Zhu, Liu, additional

Published
2017
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5. Baryon acoustic oscillations in the Lyαforest of BOSS DR11 quasars

Author

Delubac, Timothée, primary, Bautista, Julian E., additional, Busca, Nicolás G., additional, Rich, James, additional, Kirkby, David, additional, Bailey, Stephen, additional, Font-Ribera, Andreu, additional, Slosar, Anže, additional, Lee, Khee-Gan, additional, Pieri, Matthew M., additional, Hamilton, Jean-Christophe, additional, Aubourg, Éric, additional, Blomqvist, Michael, additional, Bovy, Jo, additional, Brinkmann, Jon, additional, Carithers, William, additional, Dawson, Kyle S., additional, Eisenstein, Daniel J., additional, Gontcho A Gontcho, Satya, additional, Kneib, Jean-Paul, additional, Le Goff, Jean-Marc, additional, Margala, Daniel, additional, Miralda-Escudé, Jordi, additional, Myers, Adam D., additional, Nichol, Robert C., additional, Noterdaeme, Pasquier, additional, O’Connell, Ross, additional, Olmstead, Matthew D., additional, Palanque-Delabrouille, Nathalie, additional, Pâris, Isabelle, additional, Petitjean, Patrick, additional, Ross, Nicholas P., additional, Rossi, Graziano, additional, Schlegel, David J., additional, Schneider, Donald P., additional, Weinberg, David H., additional, Yèche, Christophe, additional, and York, Donald G., additional

Published
2015
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6. The Sloan Digital Sky Survey quasar catalog: tenth data release

Author

Pâris, Isabelle, primary, Petitjean, Patrick, additional, Aubourg, Éric, additional, Ross, Nicholas P., additional, Myers, Adam D., additional, Streblyanska, Alina, additional, Bailey, Stephen, additional, Hall, Patrick B., additional, Strauss, Michael A., additional, Anderson, Scott F., additional, Bizyaev, Dmitry, additional, Borde, Arnaud, additional, Brinkmann, J., additional, Bovy, Jo, additional, Brandt, William N., additional, Brewington, Howard, additional, Brownstein, Joel R., additional, Cook, Benjamin A., additional, Ebelke, Garrett, additional, Fan, Xiaohui, additional, Ak, Nurten Filiz, additional, Finley, Hayley, additional, Font-Ribera, Andreu, additional, Ge, Jian, additional, Hamann, Fred, additional, Ho, Shirley, additional, Jiang, Linhua, additional, Kinemuchi, Karen, additional, Malanushenko, Elena, additional, Malanushenko, Viktor, additional, Marchante, Moses, additional, McGreer, Ian D., additional, McMahon, Richard G., additional, Miralda-Escudé, Jordi, additional, Muna, Demitri, additional, Noterdaeme, Pasquier, additional, Oravetz, Daniel, additional, Palanque-Delabrouille, Nathalie, additional, Pan, Kaike, additional, Perez-Fournon, Ismaël, additional, Pieri, Matthew, additional, Riffel, Rogério, additional, Schlegel, David J., additional, Schneider, Donald P., additional, Simmons, Audrey, additional, Viel, Matteo, additional, Weaver, Benjamin A., additional, Wood-Vasey, W. Michael, additional, Yèche, Christophe, additional, and York, Donald G., additional

Published
2014
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7. The one-dimensional Lyαforest power spectrum from BOSS

Author

Palanque-Delabrouille, Nathalie, primary, Yèche, Christophe, additional, Borde, Arnaud, additional, Le Goff, Jean-Marc, additional, Rossi, Graziano, additional, Viel, Matteo, additional, Aubourg, Éric, additional, Bailey, Stephen, additional, Bautista, Julian, additional, Blomqvist, Michael, additional, Bolton, Adam, additional, Bolton, James S., additional, Busca, Nicolás G., additional, Carithers, Bill, additional, A. C. Croft, Rupert, additional, Dawson, Kyle S., additional, Delubac, Timothée, additional, Font-Ribera, Andreu, additional, Ho, Shirley, additional, Kirkby, David, additional, Lee, Khee-Gan, additional, Margala, Daniel, additional, Miralda-Escudé, Jordi, additional, Muna, Demitri, additional, Myers, Adam D., additional, Noterdaeme, Pasquier, additional, Pâris, Isabelle, additional, Petitjean, Patrick, additional, Pieri, Matthew M., additional, Rich, James, additional, Rollinde, Emmanuel, additional, Ross, Nicholas P., additional, Schlegel, David J., additional, Schneider, Donald P., additional, Slosar, Anže, additional, and Weinberg, David H., additional

Published
2013
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8. A glance at the host galaxy of high-redshift quasars using strong damped Lyman-αsystems as coronagraphs

Author

Finley, Hayley, primary, Petitjean, Patrick, additional, Pâris, Isabelle, additional, Noterdaeme, Pasquier, additional, Brinkmann, Jonathan, additional, Myers, Adam D., additional, Ross, Nicholas P., additional, Schneider, Donald P., additional, Bizyaev, Dmitry, additional, Brewington, Howard, additional, Ebelke, Garrett, additional, Malanushenko, Elena, additional, Malanushenko, Viktor, additional, Oravetz, Daniel, additional, Pan, Kaike, additional, Simmons, Audrey, additional, and Snedden, Stephanie, additional

Published
2013
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9. A glance at the host galaxy of high-redshift quasars using strong damped Lyman-α systems as coronagraphs.

Author

Finley, Hayley, Petitjean, Patrick, Pâris, Isabelle, Noterdaeme, Pasquier, Brinkmann, Jonathan, Myers, Adam D., Ross, Nicholas P., Schneider, Donald P., Bizyaev, Dmitry, Brewington, Howard, Ebelke, Garrett, Malanushenko, Elena, Malanushenko, Viktor, Oravetz, Daniel, Pan, Kaike, Simmons, Audrey, and Snedden, Stephanie

Subjects
GALAXIES, QUASARS, REDSHIFT, CORONAGRAPHS, IONIZING radiation, MOLECULAR clouds
Abstract

We searched quasar spectra from the SDSS-III Baryon Oscillation Spectroscopic Survey (BOSS) for the rare occurrences where a strong damped Lyman-α absorber (DLA) blocks the Broad Line Region emission from the quasar and acts as a natural coronagraph to reveal narrow Lyα emission from the host galaxy. We define a statistical sample of 31 DLAs in Data Release 9 (DR9) with log N(H i) ⩾ 21.3 cm-2 located at less than 1500 km s-1 from the quasar redshift. In 25% (8) of these DLAs, a strong narrow Lyα emission line is observed with flux ~25 × 10-17 erg s-1 cm-2 on average. For DLAs without this feature in their troughs, the average 3-σ upper limit is <0.8×10-17 erg s-1 cm-2. Our statistical sample is nearly 2.5 times larger than the anticipated number of intervening DLAs in DR9 within 1 500 km s-1 of the quasar redshift. We also define a sample of 26 DLAs from DR9 and DR10 with narrow Lyα emission detected and no limit on the Hi column density to better characterize properties of the host galaxy emission. Analyzing the statistical sample, we do not find substantial differences in the kinematics, metals, or reddening for the two populations with and without emission detected. The highly symmetric narrow Lyα emission line profile centered in the HI trough indicates that the emitting region is separate from the absorber. The luminosity of the narrow Lyα emission peaks is intermediate between that of Lyα emitters and radio galaxies, implying that the Lyα emission is predominantly due to ionizing radiation from the AGN. Galaxies neighboring the quasar host are likely responsible for the majority (>75%) of these DLAs, with only a minority (<25%) arising from Hi clouds located in the AGN host galaxy. [ABSTRACT FROM AUTHOR]

Published
2013
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