Publications (110)
Dynamical Masses for a Complete Census of Local Dwarf Galaxies
Joshua D. Simon, Keith Bechtol, Alex Drlica-Wagner +9
A Megacam Survey of Outer Halo Satellites. II. Blue Stragglers in the Lowest Stellar Density Systems
Felipe A. Santana, Ricardo R. Munoz, Marla Geha +4
Internal Stellar Kinematics of M32 from the SPLASH Survey: Dark Halo Constraints and the Formation of Compact Elliptical Galaxies
Kirsten Howley, Puragra Guhathakurta, Roeland van der Marel +6
SAGAbg III: Environmental Stellar Mass Functions, Self-Quenching, and the Stellar-to-Halo Mass Relation in the Dwarf Galaxy Regime
Erin Kado-Fong, Yao-Yuan Mao, Yasmeen Asali +8
Accurate masses for dispersion-supported galaxies
Joe Wolf, Gregory D. Martinez, James S. Bullock +5
Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II
Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil +65
A Cold Milky Way Stellar Stream in the Direction of Triangulum
Ana Bonaca, Marla Geha, Nitya Kallivayalil
A Hubble Astrometry Initiative: Laying the Foundation for the Next-Generation Proper-Motion Survey of the Local Group
Nitya Kallivayalil, Andrew R. Wetzel, Joshua D. Simon +6
The SAGA Survey. IV. The Star Formation Properties of 101 Satellite Systems around Milky Way-mass Galaxies
Marla Geha, Yao-Yuan Mao, Risa H. Wechsler +9
Probing the IMF in the Early Universe -- Direct measurements in the Boötes I UFD with JWST/NIRCam
Keyi Ding, Mario Gennaro, Roberto J. Avila +20
A Chemodynamical Census of the Milky Way's Ultra-Faint Compact Satellites. I. A First Population-Level Look at the Internal Kinematics and Metallicities of 19 Extremely-Low-Mass Halo Stellar Systems
William Cerny, Ting S. Li, Andrew B. Pace +13
ELVES-Dwarf I: Satellites Systems of Eight Isolated Dwarf Galaxies in the Local Volume
Jiaxuan Li, Jenny E. Greene, Shany Danieli +4
Multi-wavelength constraints on the local black hole occupation fraction
Colin J. Burke, Priyamvada Natarajan, Vivienne F. Baldassare +1
HST Proper Motions of NGC 147 and NGC 185: Orbital Histories and Test of Dynamically Coherent Andromeda Satellite Plane
Sangmo Tony Sohn, Ekta Patel, Mark A. Fardal +4
Multiple Chemodynamic Stellar Populations of the Ursa Minor Dwarf Spheroidal Galaxy
Andrew B. Pace, Manoj Kaplinghat, Evan Kirby +6
The Keck/DEIMOS Stellar Archive: I. Uniform Velocities and Metallicities for 78 Milky Way Dwarf Galaxies and Globular Clusters
Marla Geha, Debora Pelliccia, J. Xavier Prochaska +5
The Primeval Populations of the Ultra-Faint Dwarf Galaxies
Thomas M. Brown, Jason Tumlinson, Marla Geha +9
Astrophysical Tests of Dark Matter with Maunakea Spectroscopic Explorer
Ting S. Li, Manoj Kaplinghat, Keith Bechtol +27
X-ray Properties of Optically Variable Low-mass AGN Candidates
Alexander Messick, Vivienne Baldassare, Marla Geha +1
LSST: from Science Drivers to Reference Design and Anticipated Data Products
Željko IveziÄ, Steven M. Kahn, J. Anthony Tyson +310
Extending the SAGA Survey (xSAGA) I: Satellite Radial Profiles as a Function of Host Galaxy Properties
John F. Wu, J. E. G. Peek, Erik J. Tollerud +6
Testing the Nature of Dark Matter with Extremely Large Telescopes
Joshua D. Simon, Simon Birrer, Keith Bechtol +12
Gas Kinematics in FIRE Simulated Galaxies Compared to Spatially Unresolved HI Observations
Kareem El-Badry, Jeremy Bradford, Eliot Quataert +9
The Morphology of Dwarf Galaxies Hosting Variable Active Galactic Nuclei
Erin Kimbro, Vivienne Baldassare, Guy Worthey +2
The Kinematics of the Ultra-Faint Milky Way Satellites: Solving the Missing Satellite Problem
Joshua D. Simon, Marla Geha
Target Selection and Sample Characterization for the DESI LOW-Z Secondary Target Program
Elise Darragh-Ford, John F. Wu, Yao-Yuan Mao +39
Deep Hubble Space Telescope Photometry of LMC and Milky Way Ultra-Faint Dwarfs: A careful look into the magnitude-size relation
Hannah Richstein, Nitya Kallivayalil, Joshua D. Simon +16
No Observational Evidence for Dark Matter Nor a Large Metallicity Spread in the Extreme Milky Way Satellite Ursa Major III / UNIONS 1
William Cerny, Daisy Bissonette, Alexander P. Ji +9
Star Formation Histories of Ultra-Faint Dwarf Galaxies: environmental differences between Magellanic and non-Magellanic satellites?
Elena Sacchi, Hannah Richstein, Nitya Kallivayalil +18
Multi-epoch Spectroscopy of Dwarf Galaxies with AGN Signatures: Identifying Sources with Persistent Broad H-alpha Emission
Vivienne F. Baldassare, Amy E. Reines, Elena Gallo +6
Eridanus II: A Fossil from Reionization with an Off-Center Star Cluster
Joshua D. Simon, Thomas M. Brown, Alex Drlica-Wagner +10
The SAGA Survey. V. Modeling Satellite Systems around Milky Way-mass Galaxies with Updated UniverseMachine
Yunchong Wang, Ethan O. Nadler, Yao-Yuan Mao +11
A MegaCam Survey of Outer Halo Satellites. VI: The Spatially Resolved Star Formation History of the Carina Dwarf Spheroidal Galaxy
Felipe A. Santana, Ricardo R. Muñoz, T. J. L. de Boer +6
A Possible "Too-Many-Satellites" Problem in the Isolated Dwarf Galaxy DDO 161
Jiaxuan Li, Jenny E. Greene, Shany Danieli +2
The initial mass function in the Coma Berenices dwarf galaxy from deep near-infrared HST observations
Mario Gennaro, Marla Geha, Kirill Tchernyshyov +6
The JWST UNCOVER Treasury survey: Ultradeep NIRSpec and NIRCam ObserVations before the Epoch of Reionization
Rachel Bezanson, Ivo Labbe, Katherine E. Whitaker +40
Portrait of a Dark Horse: a Photometric and Spectroscopic Study of the Ultra-faint Milky Way Satellite Pegasus III
Dongwon Kim, Helmut Jerjen, Marla Geha +6
Identifying AGNs in low-mass galaxies via long-term optical variability
Vivienne F. Baldassare, Marla Geha, Jenny Greene
The SAGA Survey: I. Satellite Galaxy Populations Around Eight Milky Way Analogs
Marla Geha, Risa H. Wechsler, Yao-Yuan Mao +8
NANCY: Next-generation All-sky Near-infrared Community surveY
Jiwon Jesse Han, Arjun Dey, Adrian M. Price-Whelan +206
Pristine Dwarf-Galaxy Survey I: A detailed photometric and spectroscopic study of the very metal-poor Draco II satellite
Nicolas Longeard, Nicolas Martin, Else Starkenburg +17
The Metallicity Distribution of the Ultra-Faint Dwarf Galaxy Segue 1
Daisy Bissonette, Alexander P. Ji, Joshua D. Simon +6
SAGAbg I: A Near-Unity Mass Loading Factor in Low-Mass Galaxies via their Low-Redshift Evolution in Stellar Mass, Oxygen Abundance, and Star Formation Rate
Erin Kado-Fong, Marla Geha, Yao-Yuan Mao +7
Structural parameters and possible association of the Ultra-Faint Dwarfs Pegasus III and Pisces II from deep Hubble Space Telescope photometry
Hannah Richstein, Ekta Patel, Nitya Kallivayalil +17
The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition
The MSE Science Team, Carine Babusiaux, Maria Bergemann +258
Stellar Mass Calibrations for Local Low-Mass Galaxies
Mithi A. C. de los Reyes, Yasmeen Asali, Risa Wechsler +10
Populating the low-mass end of the relation
Vivienne F. Baldassare, Claire Dickey, Marla Geha +1
A Path to an All-Sky Survey with Roman
Jiwon Jesse Han, Anirudh Chiti, Kai-Feng Chen +93
Signatures of tidal disruption of the Hercules ultra-faint dwarf galaxy
Xiaowei Ou, Anirudh Chiti, Nora Shipp +6
Spectroscopic Confirmation of the Existence of Large, Diffuse Galaxies in the Coma Cluster
Pieter van Dokkum, Aaron Romanowsky, Roberto Abraham +6
Forty-Seven Milky Way-Sized, Extremely Diffuse Galaxies in the Coma Cluster
Pieter van Dokkum, Roberto Abraham, Allison Merritt +3
The SAGA Survey. III. A Census of 101 Satellite Systems around Milky Way-mass Galaxies
Yao-Yuan Mao, Marla Geha, Risa H. Wechsler +9
Variations in the width, density, and direction of the Palomar 5 tidal tails
Ana Bonaca, Sarah Pearson, Adrian M. Price-Whelan +8
Testing cold dark matter with the low mass Tully-Fisher relation
Michael R. Blanton, Marla Geha, Andrew A. West
The Most Dark Matter Dominated Galaxies: Predicted Gamma-ray Signals from the Faintest Milky Way Dwarfs
Louis E. Strigari, Savvas M. Koushiappas, James S. Bullock +4
Astro2020 Science White Paper: Construction of an L* Galaxy: the Transformative Power of Wide Fields for Revealing the Past, Present and Future of the Great Andromeda System
Karoline M. Gilbert, Erik J. Tollerud, Jay Anderson +34
A Standardized Framework for Collecting Graduate Student Input in Faculty Searches
Yasmeen Asali, Konstantin Gerbig, Aritra Ghosh +3
IQ Collaboratory II: The Quiescent Fraction of Isolated, Low Mass Galaxies Across Simulations and Observations
Claire M Dickey, Tjitske K Starkenburg, Marla Geha +10
The SAGA Survey. VI. The Size-Mass Relation for Low-Mass Galaxies Across Environments
Yasmeen Asali, Marla Geha, Erin Kado-Fong +10
High-resolution spectroscopy of extremely metal-poor stars in the least evolved galaxies: Bootes II
Alexander P. Ji, Anna Frebel, Joshua D. Simon +1
A search for optical AGN variability in 35,000 low-mass galaxies with the Palomar Transient Factory
Vivienne F. Baldassare, Marla Geha, Jenny Greene
A MegaCam Survey of Outer Halo Satellites. III. Photometric and Structural Parameters
Ricardo R. Munoz, Patrick Cote, Felipe A. Santana +5
A Comparison Between the Morphologies and Structures of Dwarf Galaxies with and without Active Massive Black Holes
Seth J. Kimbrell, Amy E. Reines, Jenny E. Greene +1
The Extended Star Formation History of the Andromeda Spheroid at Twenty One Kiloparsecs on the Minor Axis
Thomas M. Brown, Ed Smith, Henry C. Ferguson +8
Dwarf Galaxies in 2010: Revealing Galaxy Formation's Threshold and Testing the Nature of Dark Matter
James S. Bullock, Manoj Kaplinghat, Andrew Fruchter +4
The Diverse Morphologies and Structures of Dwarf Galaxies Hosting Optically-Selected Active Massive Black Holes
Seth J. Kimbrell, Amy E. Reines, Zachary Schutte +2
The SAGA Survey. II. Building a Statistical Sample of Satellite Systems around Milky Way-like Galaxies
Yao-Yuan Mao, Marla Geha, Risa H. Wechsler +4
Indirect Dark Matter Detection Limits from the Ultra-Faint Milky Way Satellite Segue 1
Rouven Essig, Neelima Sehgal, Louis E. Strigari +2
The Role of Dwarf Galaxies in Building Large Stellar Halos
Evan N. Kirby, Puragra Guhathakurta, James S. Bullock +10
The Formation History of the Ultra-Faint Dwarf Galaxies
Thomas M. Brown, Jason Tumlinson, Marla Geha +11
Forecasts on the Dark Matter Density Profiles of Dwarf Spheroidal Galaxies with Current and Future Kinematic Observations
Juan Guerra, Marla Geha, Louis E. Strigari
Is Draco II one of the faintest dwarf galaxies? First study from Keck/DEIMOS spectroscopy
Nicolas F. Martin, Marla Geha, Rodrigo A. Ibata +8
Segue 3: An Old, Extremely Low luminosity Star Cluster in the Milky Way's Halo
Ross Fadely, Beth Willman, Marla Geha +6
The DREAMS Project: Disentangling the Impact of Halo-to-Halo Variance and Baryonic Feedback on Milky Way Satellite Galaxies
Jonah C. Rose, Mariangela Lisanti, Paul Torrey +24
A MegaCam Survey of Outer Halo Satellites. I. Description of the Survey
Ricardo R. Munoz, Patrick Cote, Felipe A. Santana +5
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Ursa Major II and Coma Berenices
Anna Frebel, Joshua D. Simon, Marla Geha +1
The Quenching of the Ultra-Faint Dwarf Galaxies in the Reionization Era
Thomas M. Brown, Jason Tumlinson, Marla Geha +11
The mass profiles of dwarf galaxies from Dark Energy Survey lensing
Joseph Thornton, Alexandra Amon, Risa H. Wechsler +7
Turning the Tides on the Ultra-Faint Dwarf Spheroidal Galaxies: Coma Berenices and Ursa Major II
Ricardo R. Munoz, Marla Geha, Beth Willman
Uncovering Extremely Metal-Poor Stars in the Milky Way's Ultra-Faint Dwarf Spheroidal Satellite Galaxies
Evan N. Kirby, Joshua D. Simon, Marla Geha +2
The Least Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1
Marla Geha, Beth Willman, Josh D. Simon +4
Discovery of the Distant, Ultra-Faint Milky Way Satellite Aquarius IV with the Vera C. Rubin Observatory Early Data Preview 2
William Cerny, Aashay Pai, Alex Drlica-Wagner +16
Astro2020 Science White Paper: Local Dwarf Galaxy Archaeology
Alexander P. Ji, Rachel Beaton, Sukanya Chakrabarti +8
The Distribution of Alpha Elements in Ultra-Faint Dwarf Galaxies
Luis C. Vargas, Marla Geha, Evan N. Kirby +1
NGC 2419 -- Another Remnant of Accretion by the Milky Way
Judith G. Cohen, Evan N. Kirby, Joshua D. Simon +1
A common mass scale for satellite galaxies of the Milky Way
Louis E. Strigari, James S. Bullock, Manoj Kaplinghat +4
Evidence of a non universal stellar Initial Mass Function. Insights from HST optical imaging of 6 Ultra Faint Dwarf Milky Way Satellites
Mario Gennaro, Kirill Tchernyshyov, Thomas M. Brown +9
A Megacam Survey of Outer Halo Satellites. IV. Two foreground populations possibly associated with the Monoceros substructure in the direction of NGC2419 and Koposov2
Julio A. Carballo-Bello, Ricardo R. Munoz, Jeffrey L. Carlin +4
The Keck/DEIMOS Stellar Archive: II. Dynamical Masses and Metallicities for a Uniform Sample of Milky Way Satellites
Marla Geha
The UNCOVER Survey: A First-look HST+JWST Catalog of Galaxy Redshifts and Stellar Population Properties Spanning
Bingjie Wang, Joel Leja, Ivo Labbé +41
The Habitable Exoplanet Observatory (HabEx) Mission Concept Study Final Report
B. Scott Gaudi, Sara Seager, Bertrand Mennesson +183
The discovery of the faintest known Milky Way satellite using UNIONS
Simon E. T. Smith, William Cerny, Christian R. Hayes +14
A MegaCam Survey of Outer Halo Satellites. VII. A Single Sérsic Index v/s Effective Radius Relation for Milky Way Outer Halo Satellites
Sebastián Marchi-Lasch, Ricardo R. Muñoz, Felipe A. Santana +6
When the Jeans don't fit: How stellar feedback drives stellar kinematics and complicates dynamical modeling in low-mass galaxies
Kareem El-Badry, Andrew R. Wetzel, Marla Geha +5
Breathing FIRE: How Stellar Feedback Drives Radial Migration, Rapid Size Fluctuations, and Population Gradients in Low-Mass Galaxies
Kareem El-Badry, Andrew R. Wetzel, Marla Geha +4
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
Joshua D. Simon, Marla Geha, Quinn E. Minor +9
Segue 2: The Least Massive Galaxy
Evan N. Kirby, Michael Boylan-Kolchin, Judith G. Cohen +3
A non-interacting Galactic black hole candidate in a binary system with a main-sequence star
Sukanya Chakrabarti, Joshua D. Simon, Peter A. Craig +10
A Complete Spectroscopic Survey of the Milky Way satellite Segue 1: Dark matter content, stellar membership and binary properties from a Bayesian analysis
Gregory D. Martinez, Quinn E. Minor, James Bullock +3
SAGAbg II: the Low-Mass Star-Forming Sequence Evolves Significantly Between 0.05<z<0.21
Erin Kado-Fong, Marla Geha, Yao-Yuan Mao +8