Publications (395)
The Most Metal-Poor Stars. I. Discovery, Data, and Atmospheric Parameters
John E. Norris, M. S. Bessell, David Yong +7
The spatial structure of mono-abundance sub-populations of the Milky Way disk
Jo Bovy, Hans-Walter Rix, Chao Liu +3
The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA Derived Quantities, Data Visualization Tools and Stellar Library
D. S. Aguado, Romina Ahumada, Andres Almeida +230
The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks
Ian U. Roederer, John J. Cowan, Marco Pignatari +11
S-PLUS: Beyond Spectroscopy IV. Stellar Parameters and Elemental-abundance Ratios for Six Million Stars from DR4 and First Results for the Magellanic Clouds
Yang Huang, Timothy C. Beers, Kai Xiao +18
The R-Process Alliance: A Nearly Complete R-Process Abundance Template Derived from Ultraviolet Spectroscopy of the R-Process-Enhanced Metal-Poor Star HD 222925
Ian U. Roederer, James E. Lawler, Elizabeth A. Den Hartog +9
The SEGUE K giant survey II: A Catalog of Distance Determinations for the SEGUE K giants in the Galactic Halo
Xiang-Xiang Xue, Zhibo Ma, Hans-Walter Rix +13
Carbon-Enhanced Metal-Poor Star Frequencies in the Galaxy: Corrections for the Effect of Evolutionary Status on Carbon Abundances
Vinicius M. Placco, Anna Frebel, Timothy C. Beers +1
The R-Process Alliance: Exploring the cosmic scatter among ten r-process sites with stellar abundances
Mila Racca, Terese T. Hansen, Ian U. Roederer +11
A Blueprint for the Milky Way's Stellar Populations: The Power of Large Photometric and Astrometric Surveys
Deokkeun An, Timothy C. Beers
The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
Abdurro'uf, Katherine Accetta, Conny Aerts +337
Origin of highly $r$-process-enhanced stars in a cosmological zoom-in simulation of a Milky Way-like galaxy
Yutaka Hirai, Timothy C. Beers, Masashi Chiba +5
VVV CL001: Likely the Most Metal-Poor Surviving Globular Cluster in the Inner Galaxy
José G. Fernández-Trincado, Dante Minniti, Stefano O. Souza +11
Insight Into the Formation of the Milky Way Through Cold Halo Substructure. II. The Elemental Abundances of ECHOS
Kevin C. Schlaufman, Constance M. Rockosi, Young Sun Lee +2
Early Star Formation and Chemical Evolution in Proto-Galactic Clouds
Lamya Saleh, Timothy C. Beers, Grant J. Mathews
Homogeneous Analysis of Globular Clusters from the APOGEE Survey with the BACCHUS Code $-$ III. $Ï$ Cen
Szabolcs Mészáros, Thomas Masseron, José G. Fernández-Trincado +18
The contribution of N-rich stars to the Galactic stellar halo using APOGEE red giants
Danny Horta, J. Ted Mackereth, Ricardo P. Schiavon +13
Chemical Cartography with APOGEE: Metallicity Distribution Functions and the Chemical Structure of the Milky Way Disk
Michael R. Hayden, Jo Bovy, Jon A. Holtzman +32
The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi +14
Chemodynamical Analysis of Metal-rich High-eccentricity Stars in the Milky Way's Disk
Ayeon Lee, Young Sun Lee, Young Kwang Kim +2
StarHorse: A Bayesian tool for determining stellar masses, ages, distances, and extinctions for field stars
Anna B. A. Queiroz, Friedrich Anders, BasÃlio X. Santiago +12
J-PLUS: Photometric Re-calibration with the Stellar Color Regression Method and an Improved Gaia XP Synthetic Photometry Method
Kai Xiao, Haibo Yuan, C. Lopez-Sanjuan +19
Evidence for the Third Stellar Population in the Milky Way's Disk
Daniela Carollo, Masashi Chiba, Miho Ishigaki +6
Chemical Abundance Analysis of the Extremely Metal-Poor Star HE 1300+0157
Anna Frebel, John E. Norris, Wako Aoki +5
A Galactic Self-Portrait: Density Structure and Integrated Properties of the Milky Way Disk
Julie Imig, Jon A. Holtzman, Gail Zasowski +23
Beyond spectroscopy. II. Stellar parameters for over twenty million stars in the northern sky from SAGES DR1 and Gaia DR3
Yang Huang, Timothy C. Beers, Hai-Bo Yuan +18
Disentangling the Galactic Halo with APOGEE: I. Chemical and Kinematical Investigation of Distinct Metal-Poor Populations
Christian R. Hayes, Steven R. Majewski, Matthew Shetrone +21
The enigmatic globular cluster UKS~1 obscured by the bulge: \textit{H}-band discovery of nitrogen-enhanced stars
José G. Fernández-Trincado, Dante Minniti, Timothy C. Beers +13
Dynamically Tagged Groups of Metal-Poor Stars from the Best \& Brightest Survey
Derek Shank, Timothy C. Beers, Vinicius M. Placco +9
The Chemical Compositions of Accreted and {\it in situ} Galactic Globular Clusters According to SDSS/APOGEE
Danny Horta, Ricardo P. Schiavon, J. Ted Mackereth +16
Insight Into the Formation of the Milky Way Through Cold Halo Substructure. I. The ECHOS of Milky Way Formation
Kevin C. Schlaufman, Constance M. Rockosi, Timothy C. Beers +10
Carbon-enhanced Metal-poor Stars in SDSS/SEGUE. II. Comparison of CEMP Star Frequencies with Binary Population Synthesis Models
Young Sun Lee, Takuma Suda, Timothy C. Beers +1
Chemical tagging with APOGEE: Discovery of a large population of N-rich stars in the inner Galaxy
Ricardo P. Schiavon, Olga Zamora, Ricardo Carrera +42
Globular and Open Clusters Observed by SDSS/SEGUE: the Giant Stars
Heather L. Morrison, Zhibo Ma, James L. Clem +10
The Dichotomy of the Halo of the Milky Way
Daniela Carollo, Timothy C. Beers
Is Terzan 5 the remnant of a building block of the Galactic bulge? Evidence from APOGEE
Dominic J. Taylor, Andrew C. Mason, Ricardo P. Schiavon +16
APOGEE-2 Discovery of a Large Population of Relatively High-Metallicity Globular Cluster Debris
José G. Fernández-Trincado, Timothy C. Beers, Anna. B. A. Queiroz +13
A Dynamically Distinct Stellar Population in the Leading Arm of the Sagittarius Stream
Gwibong Kang, Young Sun Lee, Young Kwang Kim +1
Galactic Globular and Open Clusters in the Sloan Digital Sky Survey. I. Crowded Field Photometry and Cluster Fiducial Sequences in ugriz
Deokkeun An, Jennifer A. Johnson, James L. Clem +22
Detection of the Second r-process Peak Element Tellurium in Metal-Poor Stars
Ian U. Roederer, James E. Lawler, John J. Cowan +6
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 16 Extremely Metal-poor Stars
Julie K. Hollek, Anna Frebel, Ian U. Roederer +5
Seven New Carbon-Enhanced Metal-Poor RR Lyrae Stars
Catherine R. Kennedy, Richard J. Stancliffe, Charles Kuehn +6
SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way Galaxy, and Extra-Solar Planetary Systems
Daniel J. Eisenstein, David H. Weinberg, Eric Agol +237
Ongoing Large Surveys for Metal-Poor Stars in the Galactic Halo
Norbert Christlieb, Timothy C. Beers
The $R$-Process Alliance: Fourth Data Release from the Search for $r$-Process-Enhanced Stars in the Galactic Halo
Erika M. Holmbeck, Terese T. Hansen, Timothy C. Beers +22
Characterizing the SHARDS of Disrupted Milky Way Satellites with LAMOST
Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg +7
Galactic Globular and Open Clusters in the Sloan Digital Sky Survey. II. Test of Theoretical Stellar Isochrones
Deokkeun An, Marc H. Pinsonneault, Thomas Masseron +6
Disk-Like Chemistry of the Triangulum-Andromeda Overdensity as Seen by APOGEE
Christian R. Hayes, Steven R. Majewski, Sten Hasselquist +15
New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars
Ian U. Roederer, James E. Lawler, Jennifer S. Sobeck +7
Chemical Cartography with APOGEE: Large-scale Mean Metallicity Maps of the Milky Way
Michael R. Hayden, Jon A. Holtzman, Jo Bovy +27
The Milky Way Tomography with SDSS: II. Stellar Metallicity
Zeljko Ivezic, Branimir Sesar, Mario Juric +50
Aluminum Enhanced Metal-Poor Stars buried in the Inner Galaxy
José G. Fernández-Trincado, Timothy C. Beers, Dante Minniti +5
SDSS-IV MaStar: Stellar Parameter Determination with Continuum-Supplemented Full-Spectrum Fitting
Daniel Lazarz, Renbin Yan, Ronald Wilhelm +13
Chemical Cartography. II. The Assembly History of the Galactic Stellar Halo Traced by Carbon-Enhanced Metal-Poor Stars
Young Sun Lee, Timothy C. Beers, Young Kwang Kim
The DESI Experiment Part II: Instrument Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290
Neutron Capture Elements in s-Process-Rich, Very Metal-Poor Stars
Wako Aoki, Sean G. Ryan, John E. Norris +6
Metallicities of 20 Million Giant Stars Based on Gaia XP spectra
Lin Yang, Haibo Yuan, Bowen Huang +8
Metal-Poor Stars Observed with the Southern African Large Telescope II. An Extended Sample
Joseph Zepeda, Kaitlin C. Rasmussen, Timothy C. Beers +3
HE 0557-4840 - Ultra-Metal-Poor and Carbon-Rich
John E. Norris, N. Christlieb, A. J. Korn +5
Structure of the Galactic Stellar Halo Prior to Disk Formation
Masashi Chiba, Timothy C. Beers
The \emph{R}-process Alliance: A Bright, Strongly \emph{R}-process-enhanced Extremely Metal-poor Star Observed with GHOST
Mohammad K. Mardini, Anna Frebel, Vinicius M. Placco +8
Carbon Enhanced Metal-Poor Stars. I. Chemical Compositions of 26 Stars
Wako Aoki, Timothy C. Beers, Norbert Christlieb +3
Uranium Abundances and Ages of $R$-process Enhanced Stars with Novel U II Lines
Shivani P. Shah, Rana Ezzeddine, Alexander P. Ji +7
Formation and Evolution of the Disk System of the Milky Way: [alpha/Fe] Ratios and Kinematics of the SEGUE G-Dwarf Sample
Young Sun Lee, Timothy C. Beers, Deokkeun An +10
Determination of Sodium Abundance Ratio from Low-Resolution Stellar Spectra and Its Applications
Jae-Rim Koo, Young Sun Lee, Hye-Jin Park +2
The APOKASC Catalog: An Asteroseismic and Spectroscopic Joint Survey of Targets in the Kepler Fields
Marc H. Pinsonneault, Yvonne Elsworth, Courtney Epstein +42
Stellar Astrophysics and Exoplanet Science with the Maunakea Spectroscopic Explorer (MSE)
Maria Bergemann, Daniel Huber, Vardan Adibekyan +70
The Binary Frequency of r-Process-Element Enhanced Metal-Poor Stars and its Implications: Chemical Tagging in the Primitive Halo of the Milky Way
Terese Hansen, Johannes Andersen, Birgitta Nordström +2
Stellar Loci. VIII. Photometric Metallicities for 100 Million Stars Based on Synthetic Gaia Colors
Bowen Huang, Haibo Yuan, Shuai Xu +4
Photometric Stellar Parameters for 195,478 Kepler Input Catalog (KIC) Stars
Bowen Zhang, Yang Huang, Timothy C. Beers +9
Abundance Analysis of New $r$-Process-Enhanced Stars from the HESP-GOMPA Survey
Avrajit Bandyopadhyay, Thirupathi Sivarani, Timothy C. Beers
Insights into the Formation and Evolution History of the Galactic Disk System
Doo Ri Han, Young Sun Lee, Young Kwang Kim +1
Observational Constraints on First-Star Nucleosynthesis. I. Evidence for Multiple Progenitors of CEMP-no Stars
Jinmi Yoon, Timothy C. Beers, Vinicius M. Placco +6
Search for Extremely Metal-Poor Stars with GEMINI-N/GRACES I. Chemical-Abundance Analysis
Miji Jeong, Young Sun Lee, Timothy C. Beers +5
The R-Process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5-455510
Vinicius M. Placco, Rafael M. Santucci, Zhen Yuan +14
Metal-Poor Stars Observed with the Southern African Large Telescope
Kaitlin C. Rasmussen, Joseph Zepeda, Timothy C. Beers +5
The Actinide-Boost Star LAMOST J122216.85-063345.2: A Detailed R-process Abundance Study with Gemini-S/GHOST
Miji Jeong, Young Sun Lee, Vinicius M. Placco +15
The chemical evolution of the solar neighbourhood for planet-hosting stars
Marco Pignatari, Thomas C. L. Trueman, Kate A. Womack +13
Chemical Cartography. I. A Carbonicity Map of the Galactic Halo
Young Sun Lee, Timothy C. Beers, Young Kwang Kim +5
Oxygen Overabundance in the Extremely Iron-Poor Star CS29498-043
Wako Aoki, John E. Norris, Sean G. Ryan +4
The Fourth S-PLUS Data Release: 12-filter photometry covering $\sim3000$ square degrees in the southern hemisphere
Fabio R. Herpich, Felipe Almeida-Fernandes, Gustavo B. Oliveira Schwarz +68
The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory
SDSS Collaboration, Franco D. Albareti, Carlos Allende Prieto +335
Hypervelocity Star Candidates in the SEGUE G & K Dwarf Sample
Lauren E. Palladino, Katharine J. Schlesinger, Kelly Holley-Bockelmann +4
A Blueprint for the Milky Way's Stellar Populations. IV. A String of Pearls $-$ the Galactic Starburst Sequence
Deokkeun An, Timothy C. Beers, Young Sun Lee +1
Two Populations of Carbon-Enhanced Metal-Poor Stars in the Disk System of the Milky Way
Sarah E. Dietz, Jinmi Yoon, Timothy C. Beers +2
Stellar Multiplicity Meets Stellar Evolution And Metallicity: The APOGEE View
Carles Badenes, Christine Mazzola, Todd A. Thompson +21
Stellar Archaeology: a Keck Pilot Program on Extremely Metal- Poor Stars From the Hamburg/ESO Survey. III. The Lead (Pb) Star HE 0024-2523
Sara Lucatello, Raffaele Gratton, Judith G. Cohen +4
The Chemical Composition of Carbon-Rich, Very Metal-Poor Stars: A New Class of Mildly Carbon-Rich Objects Without Excess of Neutron-Capture Elements
Wako Aoki, John E. Norris, Sean G. Ryan +2
Population III by Popular Demand - Progress and Previews
Timothy C. Beers
The Fractions of Inner- and Outer-Halo Stars in the Local Volume
Deokkeun An, Timothy C. Beers, Rafael M. Santucci +4
On the origins of extreme velocity stars as revealed by large-scale Galactic surveys
Qing-Zheng Li, Yang Huang, Xiao-Bo Dong +3
The Metal-poor non-Sagittarius (?) Globular Cluster NGC 5053: Orbit and Mg, Al and Si Abundances
Baitian Tang, J. G. Fernandez-Trincado, Doug Geisler +20
G64-12 and G64-37 are Carbon-Enhanced Metal-Poor Stars
Vinicius M. Placco, Timothy C. Beers, Henrique Reggiani +1
Extremely Metal-Poor Stars. VII. The Most Metal-Poor Dwarf, CS 22876-032
John E. Norris, Timothy C. Beers, Sean G. Ryan
A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE
Julie Imig, Cathryn Price, Jon A. Holtzman +24
A Large and Precise All-Sky Photometric Standard Star Dataset Across More Than 200 Passbands
Kai Xiao, Yang Huang, Haibo Yuan +12
Dynamical Relics of the Ancient Galactic Halo
Zhen Yuan, G. C. Myeong, Timothy C. Beers +11
Reply to Comment on "A slightly oblate dark matter halo revealed by a retrograde precessing Galactic disk warp"
Yang Huang, Qikang Feng, Tigran Khachaturyants +7
Dynamically Tagged Groups of Very Metal-poor Halo Stars from the HK and Hamburg/ESO Surveys
Guilherme Limberg, Silvia Rossi, Timothy C. Beers +13
The DESI Experiment Part I: Science,Targeting, and Survey Design
DESI Collaboration, Amir Aghamousa, Jessica Aguilar +290