Publications (112)
Light Element Discontinuities Suggest an Early Termination of Star Formation in the Globular Cluster NGC 6402 (M14)
Christian I. Johnson, Nelson Caldwell, R. Michael Rich +2
Investigating the Dark Matter Halo of NGC 5128 using a Discrete Dynamical Model
Antoine Dumont, Anil C. Seth, Jay Strader +7
Stellar Velocities in the Carina, Fornax, Sculptor and Sextans dSph Galaxies: Data from the Magellan/MMFS Survey
Matthew G. Walker, Mario Mateo, Edward Olszewski
A Comprehensive, Wide-Field Study of Pulsating Stars in the Carina Dwarf Spheroidal Galaxy
A. Katherina Vivas, Mario Mateo
Uncloaking globular clusters in the inner Galaxy
Javier Alonso-GarcÃa, Mario Mateo, Bodhisattva Sen +4
The Population of Pulsating Variable Stars in the Sextans Dwarf Spheroidal Galaxy
Kathy Vivas, Javier Alonso-GarcÃa, Mario Mateo +2
Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy
Ian U. Roederer, Andrew B. Pace, Vinicius M. Placco +5
The Velocity Dispersion Profile of the Remote Dwarf Spheroidal Galaxy Leo I: A Tidal Hit and Run?
Mario Mateo, Edward W. Olszewski, Matthew G. Walker
Dwarf Galaxies of the Local Group
Mario Mateo
Rotation and H$α$ emission in a young SMC cluster: a spectroscopic view of NGC 330
Paul I. Cristofari, Andrea K. Dupree, Antonino P. Milone +4
A multi-epoch kinematic study of the remote dwarf spheroidal galaxy Leo II
Meghin Spencer, Mario Mateo, Matthew Walker +1
Infrared photometry of Cepheids in the LMC clusters NGC 1866 and NGC 2031
Vincenzo Testa, Marcella Marconi, Ilaria Musella +6
Abundances of Neutron-Capture Elements in 62 Stars in the Globular Cluster Messier 15
Jonathan Cabrera Garcia, Charli M. Sakari, Ian U. Roederer +7
A population of luminous globular clusters and stripped nuclei with elevated mass to light ratios around NGC 5128
Antoine Dumont, Anil C. Seth, Jay Strader +8
An Expanded Chemo-dynamical Sample of Red Giants in the Bar of the Large Magellanic Cloud
Ying-Yi Song, Mario Mateo, Matthew G. Walker +1
Astro2020 APC White Paper: The MegaMapper: a z > 2 spectroscopic instrument for the study of Inflation and Dark Energy
David J. Schlegel, Juna A. Kollmeier, Greg Aldering +74
The extensive age gradient of the Carina dwarf galaxy
Giuseppina Battaglia, Michael Irwin, Eline Tolstoy +2
Mapping the Galactic Halo II: Photometric Survey
R. C. Dohm-Palmer, Mario Mateo, E. Olszewski +4
The Detailed Science Case for the Maunakea Spectroscopic Explorer, 2019 edition
The MSE Science Team, Carine Babusiaux, Maria Bergemann +258
A Spectroscopic Analysis of the Galactic Globular Cluster NGC 6273 (M19)
Christian I. Johnson, R. Michael Rich, Catherine A. Pilachowski +4
An Extinction Map and Color Magnitude Diagram for the Globular Cluster NGC 3201
Kaspar von Braun, Mario Mateo
Bayesian analysis of resolved stellar spectra: application to MMT/Hectochelle Observations of the Draco dwarf spheroidal
Matthew G. Walker, Edward W. Olszewski, Mario Mateo
Snake in the Clouds: A new nearby dwarf galaxy in the Magellanic bridge
Sergey E. Koposov, Matthew G. Walker, Vasily Belokurov +9
Evidence for a chemical enrichment coupling of globular clusters and field stars in the Fornax dSph
Benjamin Hendricks, Corrado Boeche, Christian I. Johnson +4
Variable stars in the Fornax dSph Galaxy. II. Pulsating stars below the horizontal branch
Ennio Poretti, Gisella Clementini, Enrico V. Held +6
The CIDA Variability Survey of Orion OB1 II: demographics of the young, low-mass stellar populations
Cesar Briceno, Nuria Calvet, Jesus Hernandez +11
Constraints on Binarity for the Extreme Oe Variable Star AzV 493
M. S. Oey, Irene Vargas-Salazar, Edmund Hodges-Kluck +6
The MegaMapper: A Stage-5 Spectroscopic Instrument Concept for the Study of Inflation and Dark Energy
David J. Schlegel, Juna A. Kollmeier, Greg Aldering +86
Magellan/M2FS Spectroscopy of Galaxy Clusters: Stellar Population Model and Application to Abell 267
Evan Tucker, Matthew G. Walker, Mario Mateo +4
Magellan/M2FS Spectroscopy of Tucana 2 and Grus 1
Matthew G. Walker, Mario Mateo, Edward W. Olszewski +8
Multiplexing Precision RVs: Searching for Close in Gas Giants in Open Clusters
John I. Bailey, Mario Mateo, Russel J. White +3
Dynamical Masses and Mass-to-light Ratios of Resolved Massive Star Clusters. I. NGC 419 and NGC 1846
Ying-Yi Song, Mario Mateo, A. D. Mackey +4
Velocity Dispersion Profiles of Seven Dwarf Spheroidal Galaxies
Matthew G. Walker, Mario Mateo, Edward W. Olszewski +4
On Kinematic Substructure in the Sextans Dwarf Spheroidal Galaxy
Matthew G. Walker, Mario Mateo, Edward W. Olszewski +3
Signatures of Tidal Disruption in Ultra-Faint Dwarf Galaxies: A Combined HST, Gaia, and MMT/Hectochelle Study of Leo V
Burçin Mutlu-Pakdil, David J. Sand, Matthew G. Walker +10
Chemical Complexity in the Eu-enhanced Monometallic Globular Cluster NGC 5986
Christian I. Johnson, Nelson Caldwell, R. Michael Rich +4
Radial Velocity of the Phoenix Dwarf Galaxy: Linking Gas and Hi Gas
C. Gallart, D. Martinez-Delgado, M. A. Gomez-Flechoso +1
The ACS Nearby Galaxy Survey Treasury
Julianne J. Dalcanton, Benjamin F. Williams, Anil C. Seth +24
Streaming motion in Leo I
Bodhisattva Sen, Moulinath Banerjee, Michael Woodroofe +2
Dynamics of the Intermediate-Age Elliptical LMC Cluster NGC 1978
Philippe Fischer, Douglas L. Welch, Mario Mateo
The Maunakea Spectroscopic Explorer
Jennifer Marshall, James Bullock, Adam Burgasser +23
Exploring the Chemical Composition and Double Horizontal Branch of the Bulge Globular Cluster NGC 6569
Christian I. Johnson, R. Michael Rich, Nelson Caldwell +4
Detailed Chemical Abundances in the r-Process-Rich Ultra-Faint Dwarf Galaxy Reticulum 2
Ian U. Roederer, Mario Mateo, John I. Bailey +10
A Magellan M2FS Spectroscopic Survey of Galaxies at 5.5<z<6.8: Program Overview and a Sample of the Brightest Lyman-alpha Emitters
Linhua Jiang, Yue Shen, Fuyan Bian +16
The Optical Gravitational Lensing Experiment. Deep Photometry of the Sagittarius Dwarf Spheroidal Galaxy
Mario Mateo, A. Udalski, M. Szymanski +3
New dwarf galaxy candidates in the sphere of influence of the Sombrero galaxy
Ethan Crosby, Helmut Jerjen, Oliver Müller +3
Detection of HI associated with the Sculptor Dwarf Spheroidal Galaxy
Claude Carignan, Sylvie Beaulieu, Stephanie Cote +2
The Nature of the Density Clump in the Fornax Dwarf Spheroidal Galaxy
Edward W. Olszewski, Mario Mateo, Jason Harris +3
A Comprehensive Study of Ly$α$ Emission in the High-redshift Galaxy Population
Grecco A. Oyarzún, Guillermo A. Blanc, Valentino González +2
Spectroscopic Confirmation of the Sixth Globular Cluster in the Fornax Dwarf Spheroidal Galaxy
Andrew B. Pace, Matthew G. Walker, Sergey E. Koposov +5
Difference in chemical composition between the bright and faint red clump stars in the Milky Way bulge
Dongwook Lim, Young-Wook Lee, Andreas Koch +7
The ACS LCID Project: RR Lyrae stars as tracers of old population gradients in the isolated dwarf spheroidal galaxy Tucana
Edouard J. Bernard, Carme Gallart, Matteo Monelli +9
Driving factors behind multiple populations
Ruoyun Huang, Baitian Tang, Chengyuan Li +9
Magellan/M2FS Spectroscopy of the Reticulum 2 Dwarf Spheroidal Galaxy
Matthew G. Walker, Mario Mateo, Edward W. Olszewski +4
Spectroscopy of LMC Cluster Stars
Andrea K. Dupree, Christian I. Johnson, Mario Mateo +1
The Binary Fraction of Stars in Dwarf Galaxies: the Cases of Draco and Ursa Minor
Meghin Spencer, Mario Mateo, Edward Olszewski +3
Estimating Dark Matter Distributions
Xiao Wang, Michael Woodroofe, Matthew G. Walker +2
IFUM Integrated Field Spectroscopy of Ten M104 Satellite Galaxy Candidates
Ethan Crosby, Mario Mateo, Ivanna Escala +3
Stellar kinematics of dwarf galaxies from multi-epoch spectroscopy: application to Triangulum II
Rachel Buttry, Andrew B. Pace, Sergey E. Koposov +9
Crater 2: An Extremely Cold Dark Matter Halo
Nelson Caldwell, Matthew G. Walker, Mario Mateo +6
The ACS Nearby Galaxy Survey Treasury I. The Star Formation History of the M81 Outer Disk
Benjamin F. Williams, Julianne J. Dalcanton, Anil C. Seth +16
How Lyman Alpha Emission Depends On Galaxy Stellar Mass
Grecco A. Oyarzún, Guillermo A. Blanc, Valentino González +6
Fast rotating Blue Stragglers prefer loose clusters
Francesco R. Ferraro, Alessio Mucciarelli, Barbara Lanzoni +9
Tracing the Outer Structure of the Sagittarius Dwarf Galaxy: Detections at Angular Distances Between 10 and 34 Degrees
Mario Mateo, Edward W. Olszewski, Heather L. Morrison
The Kinematics, Metallicities, and Orbits of Six Recently Discovered Galactic Star Clusters with Magellan/M2FS Spectroscopy
Andrew B. Pace, Sergey E. Koposov, Matthew G. Walker +9
Deep HST Imaging of IC 1613. I. Variable Stars and Distance
Andrew E. Dolphin, A. Saha, Evan D. Skillman +6
Internal Kinematics of the Andromeda II Dwarf Spheroidal Galaxy
Patrick Cote, Mario Mateo, Edward Olszewski +1
Kinematics of the Optically Visible YSOs Toward the Orion B Molecular Cloud
Marina Kounkel, Lee Hartmann, Mario Mateo +2
Photometry Results for the Globular Clusters M10 and M12: Extinction Maps, Color-Magnitude Diagrams, and Variable Star Candidates
Kaspar von Braun, Mario Mateo, Kristin Chiboucas +2
The Star Formation History of the Carina Dwarf Galaxy
Denise Hurley-Keller, Mario Mateo, James Nemec
Magellan/M2FS and MMT/Hectochelle Spectroscopy of Dwarf Galaxies and Faint Star Clusters within the Galactic Halo
Matthew G. Walker, Nelson Caldwell, Mario Mateo +5
Clean Kinematic Samples in Dwarf Spheroidals: An Algorithm for Evaluating Membership and Estimating Distribution Parameters When Contamination is Present
Matthew G. Walker, Mario Mateo, Edward W. Olszewski +2
Deep HST Imaging of Sextans A. III. The Star Formation History
Andrew E. Dolphin, A. Saha, Evan D. Skillman +6
Mapping the Galactic Halo I. The `Spaghetti' Survey
Heather L. Morrison, Mario Mateo, Edward W. Olszewski +5
The binary fraction of stars in dwarf galaxies: the case of Leo II
Meghin Spencer, Mario Mateo, Matthew Walker +4
The Kinematics of Dwarf Spheroidal Galaxies
Mario Mateo
New Field OB and OBe Binaries of the SMC Wing: Observational Properties and Population Modeling
Irene Vargas-Salazar, M. S. Oey, Jan J. Eldridge +9
Spectroscopic Confirmation: Fast rotators in the young clusters NGC 1856 and NGC 1953
Paul I. Cristofari, Andrea K. Dupree, Antonino P. Milone +2
Comparing the Dark Matter Halos of Spiral, Low Surface Brightness and Dwarf Spheroidal Galaxies
Matthew G. Walker, Stacy S. McGaugh, Mario Mateo +2
Systemic Proper Motions of Milky Way Satellites from Stellar Redshifts: the Carina, Fornax, Sculptor and Sextans Dwarf Spheroidals
Matthew G. Walker, Mario Mateo, Edward W. Olszewski
Mass Segregation in Young LMC Clusters I. NGC 2157
Philippe Fischer, Carlton Pryor, Stephen Murray +2
Fast rotating Blue Straggler Stars in the Globular Cluster NGC3201
Alex Billi, Francesco R. Ferraro, Alessio Mucciarelli +7
Deep HST Imaging of Sextans A. II. Cepheids and Distance
Andrew E. Dolphin, A. Saha, Evan D. Skillman +6
Galaxy Cluster Mass Estimates in the Presence of Substructure
Evan Tucker, Matthew G. Walker, Mario Mateo +3
Massive black holes in stellar systems: 'quiescent' accretion and luminosity
Marta Volonteri, Massimo Dotti, Duncan Campbell +1
HST Studies of the WLM Galaxy. I. The Age and Metallicity of the Globular Cluster
Paul W. Hodge, Andrew E. Dolphin, Toby R. Smith +1
Metal Mixing in the R-Process Enhanced Ultra-Faint Dwarf Galaxy Reticulum II
Alexander P. Ji, Joshua D. Simon, Ian U. Roederer +9
Detailed Chemical Abundances in NGC 5824: Another Metal-Poor Globular Cluster with Internal Heavy Element Abundance Variations
Ian U. Roederer, Mario Mateo, John I. Bailey +3
Dwarf Cepheids in the Carina Dwarf Spheroidal Galaxy
Mario Mateo, Denise Hurley-Keller, James Nemec
Proper Motions of Dwarf Spheroidal Galaxies from Hubble Space Telescope Imaging. V: Final Measurement for Fornax
Slawomir Piatek, Carlton Pryor, Paul Bristow +5
Dynamical masses and mass-to-light ratios of resolved massive star clusters -- II. Results for 26 star clusters in the Magellanic Clouds
Ying-Yi Song, Mario Mateo, John I. Bailey +5
Variable Stars in the Field of the Globular Cluster NGC 3201
Kaspar von Braun, Mario Mateo
HARMONI: the ELT's First-Light Near-infrared and Visible Integral Field Spectrograph
Niranjan Thatte, Matthias Tecza, Hermine Schnetler +13
Leo V: Spectroscopy of a Distant and Disturbed Satellite
Matthew G. Walker, Vasily Belokurov, N. Wyn Evans +4
Mapping the Galactic Halo III. Simulated Observations of Tidal Streams
Paul Harding, Heather L. Morrison, Edward W. Olszewski +5
The Detailed Science Case for the Maunakea Spectroscopic Explorer: the Composition and Dynamics of the Faint Universe
Alan McConnachie, Carine Babusiaux, Michael Balogh +173
Spectroscopic Binaries in the Orion Nebula Cluster and NGC 2264
Marina Kounkel, Lee Hartmann, John J. Tobin +3
The Internal Kinematics of the Leo I Dwarf Spheroidal Galaxy: Dark Matter at the Fringe of the Milky Way
Mario Mateo, Edward W. Olszewski, Steven S. Vogt +1
A Giant Protocluster of Galaxies at Redshift 5.7
Linhua Jiang, Jin Wu, Fuyan Bian +14
AGB Sodium Abundances in the Globular Cluster 47 Tucanae (NGC 104)
Christian I. Johnson, Iain McDonald, Catherine A. Pilachowski +8