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Results 1 - 66 of 66

The SAGA Survey. III. A Census of 101 Satellite Systems around Milky Way-mass Galaxies
- Volume 19, Issue 17 - article #7
- Yao-Yuan Mao (U Utah), Marla Geha (Yale), Risa H. Wechsler (Stanford/SLAC/KIPAC), Yasmeen Asali (Yale), Yunchong Wang (Stanford/SLAC/KIPAC), Erin Kado-Fong (Yale), Nitya Kallivayalil (U Virginia), Ethan O. Nadler (Carnegie Obs, USC), Erik J. Tollerud (STScI), Benjamin Weiner (U Arizona/Steward), Mithi A. C. de los Reyes (Amherst College), John F. Wu (STScI, Johns Hopkins)
- https://arxiv.org/abs/2404.14498
The SAGA Survey. IV. The Star Formation Properties of 101 Satellite Systems around Milky Way-mass Galaxies
- Volume 19, Issue 17 - article #8
- Marla Geha (Yale), Yao-Yuan Mao (U Utah), Risa H. Wechsler (Stanford/SLAC/KIPAC), Yasmeen Asali (Yale), Erin Kado-Fong (Yale), Nitya Kallivayalil (U Virginia), Ethan O. Nadler (Carnegie Obs, USC), Erik J. Tollerud (STScI), Benjamin Weiner (U Arizona/Steward), Mithi A. C. de los Reyes (Amherst College), Yunchong Wang (Stanford/SLAC/KIPAC), John F. Wu (STScI, Johns Hopkins)
- https://arxiv.org/abs/2404.14499
The SAGA Survey. V. Modeling Satellite Systems around Milky Way-mass Galaxies with Updated UniverseMachine
- Volume 19, Issue 17 - article #9
- Yunchong Wang (Stanford/SLAC/KIPAC), Ethan O. Nadler (Carnegie Obs, USC), Yao-Yuan Mao (U Utah), Risa H. Wechsler (Stanford/SLAC/KIPAC), Tom Abel (Stanford/SLAC/KIPAC), Peter Behroozi (U Arizona/Steward, NAOJ), Marla Geha (Yale), Yasmeen Asali (Yale), Mithi A. C. de los Reyes (Amherst College), Erin Kado-Fong (Yale), Nitya Kallivayalil (U Virginia), Erik J. Tollerud (STScI), Benjamin Weiner (U Arizona/Steward), John F. Wu (STScI, Johns Hopkins)
- https://arxiv.org/abs/2404.14500
The Discovery of the Faintest Known Milky Way Satellite Using UNIONS
- Volume 19, Issue 3 - article #4
- Simon E. T. Smith, William Cerny, Christian R. Hayes, Federico Sestito, Jaclyn Jensen, Alan W. McConnachie, Marla Geha, Julio F. Navarro, Ting S. Li, Jean-Charles Cuillandre
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad0d9f
The discovery of the faintest known Milky Way satellite using UNIONS. (arXiv:2311.10147v1 [astro-ph.GA])
- Volume 18, Issue 45 - article #2
- Simon E. T. Smith, William Cerny, Christian R. Hayes, Federico Sestito, Jaclyn Jensen, Alan W. McConnachie, Marla Geha, Julio Navarro, Ting S. Li, Jean-Charles Cuillandre, Raphaël Errani, Ken Chambers, Stephen Gwyn, Francois Hammer, Michael J. Hudson, Eugene Magnier, Nicolas Martin
- http://arxiv.org/abs/2311.10147
Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II. (arXiv:2212.00810v1 [astro-ph.GA])
- Volume 17, Issue 48 - article #6
- Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil, Alexander P. Ji, Alex Drlica-Wagner, Roberto J. Avila, Clara E. Martínez-Vázquez, Ting S. Li, Eduardo Balbinot, Keith Bechtol, Anna Frebel, Marla Geha, Terese T. Hansen, David J. James, Andrew B. Pace, M. Aguena, O. Alves, F. Andrade-Oliveira, J. Annis, D. Bacon, E. Bertin, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, M. Costanzi, L. N. da Costa, J. De Vicente, S. Desai, P. Doel, S. Everett, I. Ferrero, J. Frieman, J. García-Bellido, M. Gatti, D. W. Gerdes, D. Gruen, R. A. Gruendl, J. Gschwend, G. Gutierrez, S. R. Hinton, D. L. Hollowood, K. Honscheid, K. Kuehn, N. Kuropatkin, J. L. Marshall, J. Mena-Fernández, R. Miquel, A. Palmese, F. Paz-Chinchón, M. E. S. Pereira, A. Pieres, et al. (15 additional authors not shown)
- http://arxiv.org/abs/2212.00810
The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies. (arXiv:2008.12783v1 [astro-ph.GA])
- Volume 15, Issue 36 - article #6
- Yao-Yuan Mao (1), Marla Geha (2), Risa H. Wechsler (3), Benjamin Weiner (4), Erik J. Tollerud (5), Ethan O. Nadler (3), Nitya Kallivayalil (6) ((1) Rutgers, (2) Yale, (3) KIPAC/Stanford/SLAC, (4) Arizona/Steward, (5) STScI, (6) U Virginia)
- http://arxiv.org/abs/2008.12783
Variations in the Width, Density, and Direction of the Palomar 5 Tidal Tails
- Volume 15, Issue 5 - article #17
- Ana Bonaca, Sarah Pearson, Adrian M. Price-Whelan, Arjun Dey, Marla Geha, Nitya Kallivayalil, John Moustakas, Ricardo MuÃ±oz, Adam D. Myers, David J. Schlegel,, Francisco Valdes
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/889/1/70
Astro2020 Science White Paper: Local Dwarf Galaxy Archaeology. (arXiv:1903.09275v1 [astro-ph.GA])
- Volume 14, Issue 13 - article #1
- Alexander P. Ji (Carnegie Observatories), Rachel Beaton (Princeton University), Sukanya Chakrabarti (RIT), Gina Duggan (Caltech), Anna Frebel (MIT), Marla Geha (Yale), Matthew Hosek Jr (UCLA), Evan Kirby (Caltech), Ting Li (Fermilab), Ian Roederer (University of Michigan), Joshua Simon (Carnegie Observatories)
- http://arxiv.org/abs/1903.09275
LSST: From Science Drivers to Reference Design and Anticipated Data Products
- Volume 14, Issue 11 - article #8
- Å½eljko IveziÄ, Steven M. Kahn, J. Anthony Tyson, Bob Abel, Emily Acosta, Robyn Allsman, David Alonso, Yusra AlSayyad, Scott F. Anderson, John Andrew, James Roger P. Angel, George Z. Angeli, Reza Ansari, Pierre Antilogus, Constanza Araujo, Robert Armstrong, Kirk T. Arndt, Pierre Astier, Ãric Aubourg, Nicole Auza, Tim S. Axelrod, Deborah J. Bard, Jeff D. Barr, Aurelian Barrau, James G. Bartlett, Amanda E. Bauer, Brian J. Bauman, Sylvain Baumont, Ellen Bechtol, Keith Bechtol, Andrew C. Becker, Jacek Becla, Cristina Beldica, Steve Bellavia, Federica B. Bianco, Rahul Biswas, Guillaume Blanc, Jonathan Blazek, Roger D. Blandford, Josh S. Bloom, Joanne Bogart, Tim W. Bond, Michael T. Booth, Anders W. Borgland, Kirk Borne, James F. Bosch, Dominique Boutigny, Craig A. Brackett, Andrew Bradshaw, William Nielsen Brandt, Michael E. Brown, James S. Bullock, Patricia Burchat, David L. Burke, Gianpietro Cagnoli, Daniel Calabrese, Shawn Callahan, Alice L. Callen, Jeffrey L. Carlin, Erin L. Carlson, Srinivasan Chandrasekharan, Glenaver Charles-Emerson, Steve Chesley, Elliott C. Cheu, Hsin-Fang Chiang, James Chiang, Carol Chirino, Derek Chow, David R. Ciardi, Charles F. Claver, Johann Cohen-Tanugi, Joseph J. Cockrum, Rebecca Coles, Andrew J. Connolly, Kem H. Cook, Asantha Cooray, Kevin R. Covey, Chris Cribbs, Wei Cui, Roc Cutri, Philip N. Daly, Scott F. Daniel, Felipe Daruich, Guillaume Daubard, Greg Daues, William Dawson, Francisco Delgado, Alfred Dellapenna, Robert de Peyster, Miguel de Val-Borro, Seth W. Digel, Peter Doherty, Richard Dubois, Gregory P. Dubois-Felsmann, Josef Durech, Frossie Economou, Tim Eifler, Michael Eracleous, Benjamin L. Emmons, Angelo Fausti Neto, Henry Ferguson, Enrique Figueroa, Merlin Fisher-Levine, Warren Focke, Michael D. Foss, James Frank, Michael D. Freemon, Emmanuel Gangler, Eric Gawiser, John C. Geary, Perry Gee, Marla Geha, Charles J. B. Gessner, Robert R. Gibson, D. Kirk Gilmore, Thomas Glanzman, William Glick, Tatiana Goldina, Daniel A. Goldstein, Iain Goodenow, Melissa L. Graham, William J. Gressler, Philippe Gris, Leanne P. Guy, Augustin Guyonnet, Gunther Haller, Ron Harris, Patrick A. Hascall, Justine Haupt, Fabio Hernandez, Sven Herrmann, Edward Hileman, Joshua Hoblitt, John A. Hodgson, Craig Hogan, James D. Howard, Dajun Huang, Michael E. Huffer, Patrick Ingraham, Walter R. Innes, Suzanne H. Jacoby, Bhuvnesh Jain, Fabrice Jammes, James Jee, Tim Jenness, Garrett Jernigan, Darko JevremoviÄ, Kenneth Johns, Anthony S. Johnson, Margaret W. G. Johnson, R. Lynne Jones, Claire Juramy-Gilles, Mario JuriÄ, Jason S. Kalirai, Nitya J. Kallivayalil, Bryce Kalmbach, Jeffrey P. Kantor, Pierre Karst, Mansi M. Kasliwal, Heather Kelly, Richard Kessler, Veronica Kinnison, David Kirkby, Lloyd Knox, Ivan V. Kotov, Victor L. Krabbendam, K. Simon Krughoff, Petr KubÃ¡nek, John Kuczewski, Shri Kulkarni, John Ku, Nadine R. Kurita, Craig S. Lage, Ron Lambert, Travis Lange, J. Brian Langton, Laurent Le Guillou, Deborah Levine, Ming Liang, Kian-Tat Lim, Chris J. Lintott, Kevin E. Long, Margaux Lopez, Paul J. Lotz, Robert H. Lupton, Nate B. Lust, Lauren A. MacArthur, Ashish Mahabal, Rachel Mandelbaum, Thomas W. Markiewicz, Darren S. Marsh, Philip J. Marshall, Stuart Marshall, Morgan May, Robert McKercher, Michelle McQueen, Joshua Meyers, Myriam Migliore, Michelle Miller, David J. Mills, Connor Miraval, Joachim Moeyens, Fred E. Moolekamp, David G. Monet, Marc Moniez, Serge Monkewitz, Christopher Montgomery, Christopher B. Morrison, Fritz Mueller, Gary P. Muller, Freddy MuÃ±oz Arancibia, Douglas R. Neill, Scott P. Newbry, Jean-Yves Nief, Andrei Nomerotski, Martin Nordby, Paul OâConnor, John Oliver, Scot S. Olivier, Knut Olsen, William OâMullane, Sandra Ortiz, Shawn Osier, Russell E. Owen, Reynald Pain, Paul E. Palecek, John K. Parejko, James B. Parsons, Nathan M. Pease, J. Matt Peterson, John R. Peterson, Donald L. Petravick, M. E. Libby Petrick, Cathy E. Petry, Francesco Pierfederici, Stephen Pietrowicz, Rob Pike, Philip A. Pinto, Raymond Plante, Stephen Plate, Joel P. Plutchak, Paul A. Price, Michael Prouza, Veljko Radeka, Jayadev Rajagopal, Andrew P. Rasmussen, Nicolas Regnault, Kevin A. Reil, David J. Reiss, Michael A. Reuter, Stephen T. Ridgway, Vincent J. Riot, Steve Ritz, Sean Robinson, William Roby, Aaron Roodman, Wayne Rosing, Cecille Roucelle, Matthew R. Rumore, Stefano Russo, Abhijit Saha, Benoit Sassolas, Terry L. Schalk, Pim Schellart, Rafe H. Schindler, Samuel Schmidt, Donald P. Schneider, Michael D. Schneider, William Schoening, German Schumacher, Megan E. Schwamb, Jacques Sebag, Brian Selvy, Glenn H. Sembroski, Lynn G. Seppala, Andrew Serio, Eduardo Serrano, Richard A. Shaw, Ian Shipsey, Jonathan Sick, Nicole Silvestri, Colin T. Slater, J. Allyn Smith, R. Chris Smith, Shahram Sobhani, Christine Soldahl, Lisa Storrie-Lombardi, Edward Stover, Michael A. Strauss, Rachel A. Street, Christopher W. Stubbs, Ian S. Sullivan, Donald Sweeney, John D. Swinbank, Alexander Szalay, Peter Takacs, Stephen A. Tether, Jon J. Thaler, John Gregg Thayer, Sandrine Thomas, Adam J. Thornton, Vaikunth Thukral, Jeffrey Tice, David E. Trilling, Max Turri, Richard Van Berg, Daniel Vanden Berk, Kurt Vetter, Francoise Virieux, Tomislav Vucina, William Wahl, Lucianne Walkowicz, Brian Walsh, Christopher W. Walter, Daniel L. Wang, Shin-Yawn Wang, Michael Warner, Oliver Wiecha, Beth Willman, Scott E. Winters, David Wittman, Sidney C. Wolff, W. Michael Wood-Vasey, Xiuqin Wu, Bo Xin, Peter Yoachim,, Hu Zhan
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/873/2/111
Pristine Dwarf-Galaxy Survey I: A detailed photometric and spectroscopic study of the very metal-poor Draco II satellite. (arXiv:1807.10655v1 [astro-ph.GA])
- Volume 13, Issue 31 - article #2
- Nicolas Longeard, Nicolas Martin, Else Starkenburg, Rodrigo A. Ibata, Michelle L. M. Collins, Marla Geha, Benjamin P. M. Laevens, R. Michael Rich, David S. Aguado, Anke Arentsen, Raymond G. Carlberg, Patrick Côté, Vanessa Hill, Pascale Jablonka, Jonay I. González Hernández, Julio F. Navarro, Rubén Sánchez-Janssen, Eline Tolstoy, Kim A. Venn, Kris Youakim
- http://arxiv.org/abs/1807.10655
The initial mass function in the Coma Berenices dwarf galaxy from deep near-infrared HST observations. (arXiv:1806.08380v1 [astro-ph.GA])
- Volume 13, Issue 26 - article #5
- Mario Gennaro, Marla Geha, Kirill Tchernyshyov, Thomas M. Brown, Roberto J. Avila, Charlie Conroy, Ricardo R. Muñoz, Joshua D. Simon, Jason Tumlinson
- http://arxiv.org/abs/1806.08380
A MegaCam Survey of Outer Halo Satellites. I. Description of the Survey. (arXiv:1806.06889v1 [astro-ph.GA])
- Volume 13, Issue 25 - article #1
- Ricardo R. Munoz, Patrick Cote, Felipe A. Santana, Marla Geha, Joshua D. Simon, Grecco A. Oyarzun, Peter Stetson, S. G. Djorgovski
- http://arxiv.org/abs/1806.06889
A MegaCam Survey of Outer Halo Satellites. I. Description of the Survey
- Volume 13, Issue 24 - article #11
- RicardoÂ R. MuÃ±oz, Patrick CÃ´tÃ©, FelipeÂ A. Santana, Marla Geha, JoshuaÂ D. Simon, GreccoÂ A. OyarzÃºn, PeterÂ B. Stetson,, S. G. Djorgovski
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/860/1/65
A MegaCam Survey of Outer Halo Satellites. III. Photometric and Structural Parameters
- Volume 13, Issue 24 - article #12
- Ricardo R. MuÃ±oz, Patrick CÃ´tÃ©, Felipe A. Santana, Marla Geha, Joshua D. Simon, Grecco A. OyarzÃºn, Peter B. Stetson,, S. G. Djorgovski
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/860/1/66
Evidence of a non universal stellar Initial Mass Function. Insights from HST optical imaging of 6 Ultra Faint Dwarf Milky Way Satellites. (arXiv:1801.06195v1 [astro-ph.GA])
- Volume 13, Issue 4 - article #5
- Mario Gennaro, Kirill Tchernyshyov, Thomas M. Brown, Marla Geha, Roberto J. Avila, Puragra Guhathakurta, Jason S. Kalirai, Evan N. Kirby, Alvio Renzini, Joshua D. Simon, Jason Tumlinson, Luis C. Vargas
- http://arxiv.org/abs/1801.06195
The SAGA Survey. I. Satellite Galaxy Populations around Eight Milky Way Analogs
- Volume 12, Issue 37 - article #11
- Marla Geha, Risa H. Wechsler, Yao-Yuan Mao, Erik J. Tollerud, Benjamin Weiner, Rebecca Bernstein, Ben Hoyle, Sebastian Marchi, Phil J. Marshall, Ricardo MuÃ±oz,, Yu Lu
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/847/1/4
The SAGA Survey: I. Satellite Galaxy Populations Around Eight Milky Way Analogs. (arXiv:1705.06743v1 [astro-ph.GA])
- Volume 12, Issue 21 - article #8
- Marla Geha (1), Risa H. Wechsler (2), Yao-Yuan Mao (3), Erik J. Tollerud (4), Benjamin Weiner (5), Rebecca Bernstein (6), Ben Hoyle (7), Sebastian Marchi (8), Phil J. Marshall (2), Ricardo Munoz (8), Yu Lu (6) ((1) Yale, (2) KIPAC/Stanford/SLAC, (3) U Pittsburgh/PITT PACC, (4) STScI, (5) U Arizona, (6) Carnegie, (7) U Sternwarte/MPE, (8) U Chile)
- http://arxiv.org/abs/1705.06743
A MegaCam Survey of Outer Halo Satellites. VI: The Spatially Resolved Star Formation History of the Carina Dwarf Spheroidal Galaxy. (arXiv:1607.05312v1 [astro-ph.GA])
- Volume 11, Issue 30 - article #2
- Felipe A. Santana, Ricardo R. Muñoz, T. J. L. de Boer, Joshua D. Simon, Marla Geha, Patrick Côté, Andrés E. Guzmán, Peter Stetson, S. G. Djorgovski
- http://arxiv.org/abs/1607.05312
High-resolution Spectroscopy of Extremely Metal-poor Stars in the Least-evolved Galaxies: Bootes II
- Volume 11, Issue 6 - article #20
- Alexander P. Ji, Anna Frebel, Joshua D. Simon, and Marla Geha
- The Astrophysical Journal - Volume: 817, Issue: 1
- View article PDF (1.70 MB)
High-resolution spectroscopy of extremely metal-poor stars in the least evolved galaxies: Bootes II
- Volume 10, Issue 40 - article #7
- Alexander P. Ji, Anna Frebel, Joshua D. Simon, Marla Geha
- arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Oct
- arXiv:1510.07632 [pdf, other]
Is Draco II one of the faintest dwarf galaxies? First evidence from Keck/DEIMOS spectroscopy
- Volume 10, Issue 37 - article #6
- Nicolas F. Martin, Marla Geha, Rodrigo A. Ibata, Michelle L. M. Collins, Benjamin P. M. Laevens, Eric F. Bell, Hans-Walter Rix, Annette M. N. Ferguson, Kenneth C. Chambers, Richard J. Wainscoat, Christopher Waters
- arXiv.org - Astrophysics - Volume: 2015, Issue: 9 Oct
- arXiv:1510.01326 [pdf, ps, other]
A Megacam Survey of Outer Halo Satellites. IV. Two Foreground Populations Possibly Associated with the Monoceros Substructure in the Direction of NGC 2419 and Koposov 2
- Volume 10, Issue 22 - article #13
- Julio A. Carballo-Bello, Ricardo R. MuÃ±oz, Jeffrey L. Carlin, Patrick CÃ´tÃ©, Marla Geha, Joshua D. Simon, and S. G. Djorgovski
- The Astrophysical Journal - Volume: 805, Issue: 1
- View article PDF (8.12 MB)
A Megacam Survey of Outer Halo Satellites. IV. Two foreground populations possibly associated with the Monoceros substructure in the direction of NGC2419 and Koposov2
- Volume 10, Issue 13 - article #2
- Julio A. Carballo-Bello, Ricardo R. Munoz, Jeffrey L. Carlin, Patrick Cote, Marla Geha, Joshua D. Simon, S. G. Djorgovski
- arXiv.org - Astrophysics - Volume: 2015, Issue: 3 Apr
- arXiv:1504.00021 [pdf, other]
Metallicity Evolution of the Six Most Luminous M31 Dwarf Satellites
- Volume 10, Issue 8 - article #11
- Nhung Ho, Marla Geha, Erik J. Tollerud, Robert Zinn, Puragra Guhathakurta, and Luis C. Vargas
- The Astrophysical Journal - Volume: 798, Issue: 2
- View article PDF (5.20 MB)
The Quenching of the Ultra-faint Dwarf Galaxies in the Reionization Era
- Volume 9, Issue 24 - article #69
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Joshua D. Simon, Luis C. Vargas, Don A. VandenBerg, Evan N. Kirby, Jason S. Kalirai, Roberto J. Avila, Mario Gennaro, Henry C. Ferguson, Ricardo R. MuÃ±oz, Puragra Guhathakurta, and Alvio Renzini
- The Astrophysical Journal - Volume: 796, Issue: 2
- View article PDF (1.51 MB)
[α/Fe] Abundances of Four Outer M31 Halo Stars
- Volume 9, Issue 24 - article #71
- Luis C. Vargas, Karoline M. Gilbert, Marla Geha, Erik J. Tollerud, Evan N. Kirby, and Puragra Guhathakurta
- The Astrophysical Journal Letters - Volume: 797, Issue: 1
- View article PDF (554 KB)
The Quenching of the Ultra-Faint Dwarf Galaxies in the Reionization Era
- Volume 9, Issue 23 - article #10
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Joshua D. Simon, Luis C. Vargas, Don A. VandenBerg, Evan N. Kirby, Jason S. Kalirai, Roberto J. Avila, Mario Gennaro, Henry C. Ferguson, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Oct
- arXiv:1410.0681 [pdf, ps, other]
Milky Way Mass and Potential Recovery Using Tidal Streams in a Realistic Halo
- Volume 9, Issue 23 - article #75
- Ana Bonaca, Marla Geha, Andreas H. W. KÃ¼pper, JÃ¼rg Diemand, Kathryn V. Johnston, and David W. Hogg
- The Astrophysical Journal - Volume: 795, Issue: 1
- View article PDF (1.24 MB)
The Formation History of the Ultra-Faint Dwarf Galaxies
- Volume 8, Issue 40 - article #10
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan Kirby, Don A. VandenBerg, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini, Henry C. Ferguson, Luis C. Vargas, Mario Gennaro
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Oct
- arXiv:1310.0824 [pdf, ps, other]
A MegaCam Survey of Outer Halo Satellites. II. Blue Stragglers in the Lowest Stellar Density Systems
- Volume 8, Issue 36 - article #29
- Felipe A. Santana, Ricardo R. MuÃ±oz, Marla Geha, Patrick CÃ´tÃ©, Peter Stetson, Joshua D. Simon, and S. G. Djorgovski
- The Astrophysical Journal - Volume: 774, Issue: 2
- Abstract References Full text PDF (11.25 MB) Enhanced article HTML
A Megacam Survey of Outer Halo Satellites. II. Blue Stragglers in the Lowest Stellar Density Systems
- Volume 8, Issue 28 - article #3
- Felipe A. Santana, Ricardo R. Munoz, Marla Geha, Patrick Cote, Peter Stetson, Joshua D. Simon, S. G. Djorgovski
- arXiv.org - Astrophysics - Volume: 2013, Issue: 12 Jul
- arXiv:1307.2236 [pdf, ps, other]
The Stellar Initial Mass Function of Ultra-faint Dwarf Galaxies: Evidence for IMF Variations with Galactic Environment
- Volume 8, Issue 26 - article #24
- Marla Geha, Thomas M. Brown, Jason Tumlinson, Jason S. Kalirai, Joshua D. Simon, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃ±oz, Roberto J. Avila, Puragra Guhathakurta, and Henry C. Ferguson
- The Astrophysical Journal - Volume: 771, Issue: 1
- Abstract References Full text PDF (588 KB) Enhanced article HTML
Segue 2: The Least Massive Galaxy
- Volume 8, Issue 23 - article #20
- Evan N. Kirby, Michael Boylan-Kolchin, Judith G. Cohen, Marla Geha, James S. Bullock, and Manoj Kaplinghat
- The Astrophysical Journal - Volume: 770, Issue: 1
- Abstract References Full text PDF (1.01 MB) Enhanced article HTML
Segue 2: The Least Massive Galaxy
- Volume 8, Issue 17 - article #4
- Evan N. Kirby (1), Michael Boylan-Kolchin (1), Judith G. Cohen (2), Marla Geha (3), James S. Bullock (1), Manoj Kaplinghat (1) ((1) UC Irvine, (2) Caltech, (3) Yale)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 26 Apr
- arXiv:1304.6080 [pdf, ps, other]
The Distribution of Alpha Elements in Ultra-faint Dwarf Galaxies
- Volume 8, Issue 14 - article #18
- Luis C. Vargas, Marla Geha, Evan N. Kirby, and Joshua D. Simon
- The Astrophysical Journal - Volume: 767, Issue: 2
- Abstract References Full text PDF (860 KB) Enhanced article HTML
The Distribution of Alpha Elements in Ultra-Faint Dwarf Galaxies
- Volume 8, Issue 9 - article #13
- Luis C. Vargas (1), Marla Geha (1), Evan N. Kirby (2), Joshua D. Simon (3) ((1) Yale University, (2) UC Irvine, (3) Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 1 Mar
- arXiv:1302.6594 [pdf, ps, other]
A Cold Milky Way Stellar Stream in the Direction of Triangulum
- Volume 7, Issue 46 - article #17
- Ana Bonaca, Marla Geha, and Nitya Kallivayalil
- The Astrophysical Journal Letters - Volume: 760, Issue: 1
- Abstract References Full text PDF (896 KB) View as HTML
A Cold Milky Way Stellar Stream in the Direction of Triangulum
- Volume 7, Issue 39 - article #3
- Ana Bonaca, Marla Geha, Nitya Kallivayalil
- arXiv.org - Astrophysics - Volume: 2012, Issue: 28 Sep
- arXiv:1209.5391 [pdf, ps, other]
The Primeval Populations of the Ultra-faint Dwarf Galaxies
- Volume 7, Issue 27 - article #39
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃ±oz, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Puragra Guhathakurta, Alvio Renzini, and Henry C. Ferguson
- The Astrophysical Journal Letters - Volume: 753, Issue: 1
- Abstract References Full text PDF (598 KB) View as HTML
The Primeval Populations of the Ultra-Faint Dwarf Galaxies
- Volume 7, Issue 23 - article #9
- Thomas M. Brown, Jason Tumlinson (STScI), Marla Geha (Yale), Evan N. Kirby (CalTech), Don A. VandenBerg (U. of Victoria), Ricardo R. Munoz (U. de Chile), Jason S. Kalirai (STScI), Joshua D. Simon (Carnegie), Roberto J. Avila (STScI), Puragra Guhathakurta (UCO/Lick), Alvio Renzini (INAF), Henry C. Ferguson (STScI)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 8 Jun
- arXiv:1206.0941 [pdf, ps, other]
The Discovery of an Ultra-Faint Star Cluster in the Constellation of Ursa Minor
- Volume 7, Issue 17 - article #16
- Ricardo R. Munoz, Marla Geha, Patrick Cote, Luis Vargas, Felipe A. Santana, Peter Stetson, Josh D. Simon, S. George Djorgovski
- arXiv.org - Astrophysics - Volume: 2012, Issue: 27 Apr
- arXiv:1204.5750 [pdf, ps, other]
Measuring Sizes of Ultra-faint Dwarf Galaxies
- Volume 7, Issue 5 - article #16
- Ricardo R. MuÃ±oz, Nikhil Padmanabhan and Marla Geha
- The Astrophysical Journal - Volume: 745, Issue: 2
- Abstract References Full text PDF (1.49 MB) View as HTML
Segue 3: An Old, Extremely Low Luminosity Star Cluster in the Milky Way's Halo
- Volume 6, Issue 37 - article #27
- Ross Fadely, Beth Willman, Marla Geha, Shane Walsh, Ricardo R. MuÃ±oz, Helmut Jerjen, Luis C. Vargas and Gary S. Da Costa
- Astronomical Journal - Volume: 142, Issue: 3
- doi:10.1088/0004-6256/142/3/88 Tag this article
Willman 1—A Probable Dwarf Galaxy with an Irregular Kinematic Distribution
- Volume 6, Issue 37 - article #33
- Beth Willman, Marla Geha, Jay Strader, Louis E. Strigari, Joshua D. Simon, Evan Kirby, Nhung Ho and Alex Warres
- Astronomical Journal - Volume: 142, Issue: 4
- doi:10.1088/0004-6256/142/4/128 Tag this article
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: Dark Matter Content, Stellar Membership, and Binary Properties from a Bayesian Analysis
- Volume 6, Issue 37 - article #38
- Gregory D. Martinez, Quinn E. Minor, James Bullock, Manoj Kaplinghat, Joshua D. Simon and Marla Geha
- The Astrophysical Journal - Volume: 738, Issue: 1
- Abstract References Full text PDF (902 KB) View as HTML
Segue 3: An Old, Extremely Low luminosity Star Cluster in the Milky Way's Halo
- Volume 6, Issue 29 - article #12
- Ross Fadely (1), Beth Willman (1), Marla Geha (2), Shane Walsh (3), Ricardo R. Munoz (2,4), Helmut Jerjen (5), Luis C. Vargas (2), Gary S. Da Costa (5). ((1) Haverford College, (2) Yale University, (3) Australian Astronomical Observatory, (4) Universidad de Chile, (5) Australian National University)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 22 Jul
- arXiv:1107.3151 [pdf, other]
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Volume 6, Issue 18 - article #17
- Joshua D. Simon, Marla Geha, Quinn E. Minor, Gregory D. Martinez, Evan N. Kirby, James S. Bullock, Manoj Kaplinghat, Louis E. Strigari, Beth Willman, Philip I. Choi, Erik J. Tollerud and Joe Wolf
- The Astrophysical Journal - Volume: 733, Issue: 1
- Abstract References Full text PDF (1.24 MB) HTML with Enhancements
NGC 2419-Another Remnant of Accretion by the Milky Way
- Volume 5, Issue 48 - article #34
- Judith G. Cohen, Evan N. Kirby, Joshua D. Simon and Marla Geha
- The Astrophysical Journal - Volume: 725, Issue: 1
- Abstract References Full text PDF (442 KB) View as HTML
A Complete Spectroscopic Survey of the Milky Way satellite Segue 1: Dark matter content, stellar membership and binary properties from a Bayesian analysis
- Volume 5, Issue 36 - article #1
- Gregory D. Martinez, Quinn E. Minor, James Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha
- arXiv.org - Astrophysics - Volume: 2010, Issue: 3 Sep
- arXiv:1008.4585 [pdf, ps, other]
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Volume 5, Issue 31 - article #1
- Joshua D. Simon (Carnegie Observatories), Marla Geha (Yale), Quinn E. Minor, Gregory D. Martinez (UC Irvine), Evan N. Kirby (Caltech), James S. Bullock, Manoj Kaplinghat (UC Irvine), Louis E. Strigari (Stanford), Beth Willman (Haverford), Philip I. Choi (Pomona), Erik J. Tollerud, Joe Wolf (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 30 Jul
- arXiv:1007.4198 [pdf, ps, other]
Indirect Dark Matter Detection Limits from the Ultra-Faint Milky Way Satellite Segue 1
- Volume 5, Issue 31 - article #7
- Rouven Essig (1), Neelima Sehgal (2), Louis E. Strigari (2), Marla Geha (3), Joshua D. Simon (4) ((1) SLAC, (2) KIPAC/Stanford/SLAC, (3) Yale, (4) Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 30 Jul
- arXiv:1007.4199 [pdf, other]
Willman 1 - a probable dwarf galaxy with an irregular kinematic distribution
- Volume 5, Issue 30 - article #18
- Beth Willman, Marla Geha, Jay Strader, Louis E. Strigari, Joshua D. Simon, Evan Kirby, Alex Warres
- arXiv.org - Astrophysics - Volume: 2010, Issue: 23 Jul
- arXiv:1007.3499 [pdf, ps, other]
Galaxy formation: Gone with the wind?
- Volume 5, Issue 3 - article #23
- Marla Geha
- Nature - Volume: 463, Issue: 7278
- Full Text | PDF (997K)
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Ursa Major II and Coma Berenices
- Volume 4, Issue 51 - article #23
- <em >Anna Frebel, Joshua D. Simon, Marla Geha, and Beth Willman</em&gt,
- The Astrophysical Journal - Volume: 708, Issue: 1
- Abstract | References
Turning the Tides on the Ultra-Faint Dwarf Spheroidal Galaxies: Coma Berenices and Ursa Major II
- Volume 4, Issue 43 - article #10
- Ricardo R. Munoz (Yale), Marla Geha (Yale), Beth Willman (Haverford College)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 23 Oct
- arXiv:0910.3946 [ps, pdf, other]
The SPLASH Survey: A Spectroscopic Analysis of the Metal-Poor, Low-Luminosity M31 dSph Satellite Andromeda X
- Volume 4, Issue 43 - article #24
- Jason S. Kalirai, Daniel B. Zucker, Puragra Guhathakurta, Marla Geha, Alexei Y. Kniazev, David Martínez-Delgado, Eric F. Bell, Eva K. Grebel, and Karoline M. Gilbert
- The Astrophysical Journal - Volume: 705, Issue: 1
- Abstract | References
Dwarf Galaxies in 2010: Revealing Galaxy Formation's Threshold and Testing the Nature of Dark Matter
- Volume 4, Issue 9 - article #2
- James S. Bullock (UC Irvine), Manoj Kaplinghat (UC Irvine), Andrew Fruchter (STScI), Marla Geha (Yale), Joshua D. Simon (OCIW), Louis E. Strigari (Stanford), Beth Willman (Haverford)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 27 Feb
- arXiv:0902.3492 [pdf, other]
The Role of Dwarf Galaxies in Building Large Stellar Halos
- Volume 4, Issue 8 - article #21
- Evan N. Kirby (UC Santa Cruz), Puragra Guhathakurta (UC Santa Cruz), James S. Bullock (UC Irvine), Anna Frebel (Harvard), Marla Geha (Yale), Karoline M. Gilbert (U Washington), Jasonjot S. Kalirai (STScI), Manoj Kaplinghat (UC Irvine), Michael Kuhlen (IAS), Steven R. Majewski (U Virginia), Brant E. Robertson (U Chicago), Joshua D. Simon (OCIW), Marcel Zemp (U Michigan)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Feb
- arXiv:0902.2591 [ps, pdf, other]
The Least Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1
- Volume 3, Issue 38 - article #23
- Marla Geha, Beth Willman, Josh D. Simon, Louis E. Strigari, Evan N. Kirby, David R. Law, Jay Strader
- arXiv.org - Astrophysics - Volume: 2008, Issue: 18 Sep
- arXiv:0809.2781 [ps, pdf, other]
A common mass scale for satellite galaxies of the Milky Way
- Volume 3, Issue 35 - article #1
- Louis E. Strigari, James S. Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha, Beth Willman, Matthew G. Walker
- arXiv.org - Astrophysics - Volume: 2008, Issue: 28 Aug
- arXiv:0808.3772 [ps, pdf, other]
A common mass scale for satellite galaxies of the Milky Way
- Volume 3, Issue 35 - article #13
- Louis E. Strigari, James S. Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha, Beth Willman & Matthew G. Walker
- Nature - Volume: 454, Issue: 7208
- First paragraph | Full Text | PDF (146K) | Supplementary information
Uncovering Extremely Metal-Poor Stars in the Milky Way's Ultra-Faint Dwarf Spheroidal Satellite Galaxies
- Volume 3, Issue 29 - article #15
- Evan N. Kirby (1), Joshua D. Simon (2), Marla Geha (3), Puragra Guhathakurta (1), Anna Frebel (4) ((1) University of California Santa Cruz/Lick Observatory, (2) California Institute of Technology, (3) Yale University, (4) University of Texas Austin/McDonald Observatory)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 17 Jul
- arXiv:0807.1925 [ps, pdf, other]
The Most Dark-Matter–dominated Galaxies: Predicted Gamma-Ray Signals from the Faintest Milky Way Dwarfs
- Volume 3, Issue 18 - article #29
- Louis E. Strigari, Savvas M. Koushiappas, James S. Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha, and Beth Willman
- The Astrophysical Journal - Volume: 678, Issue: 2
- Abstract-Full Text-PDF Version (178 kB)
The Kinematics of the Ultra-faint Milky Way Satellites: Solving the Missing Satellite Problem
- Volume 2, Issue 46 - article #30
- Joshua D. Simon and Marla Geha
- The Astrophysical Journal - Volume: 670, Issue: 1
- ABSTRACT | FULL TEXT WITH ENHANCEMENTS | PDF (888 kB) | PS
The Kinematics of the Ultra-Faint Milky Way Satellites: Solving the Missing Satellite Problem
- Volume 2, Issue 23 - article #21
- Joshua D. Simon (Caltech), Marla Geha (HIA/DAO)
- ArXiv - Astrophysics
- arXiv:0706.0516 [ps, pdf, other]

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