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List of works by Timothy Beers

A photometric metallicity estimate of the Virgo stellar overdensity ⬇️

scientific article published in the Astrophysical Journal

APOGEE chemical abundances of globular cluster giants in the inner Galaxy ⬇️

scholarly article

Abundances in very metal-poor stars

scientific article published in January 1999

Abundances, stellar parameters, and spectra from the SDSS-III/APOGEE survey ⬇️

scientific article published in Astronomical Journal

An algorithm for preferential selection of spectroscopic targets in LEGUE

Application of the SEGUE stellar parameter pipeline to LAMOST stellar spectra

scientific article published in Astronomical Journal

Atypical Mg-poor Milky Way Field Stars with Globular Cluster Second-generation-like Chemical Patterns ⬇️

scientific article

Baade’s window and APOGEE ⬇️

scientific article published in Astronomy and Astrophysics

Bayesian distances and extinctions for giants observed by Kepler and APOGEE ⬇️

article

Bright metal-poor stars from the Hamburg/ESO Survey. II. A chemodynamical analysis ⬇️

scientific article published in the Astrophysical Journal

Broadband UBVRCIC Photometry of Horizontal‐Branch and Metal‐poor Candidates from the HK and Hamburg/ESO Surveys. I

Carbon-enhanced metal-poor star frequencies in the galaxy: corrections for the effect of evolutionary status on carbon abundances ⬇️

scientific article published in the Astrophysical Journal

Characterizing the SHARDS of disrupted Milky Way satellites with LAMOST ⬇️

scientific article published in the Astrophysical Journal

Chemical cartography with APOGEE: metallicity distribution functions and the chemical structure of the Milky Way disk ⬇️

scientific article published in the Astrophysical Journal

Chemical composition of two bright, extremely metal-poor stars from the SDSS MARVELS pre-survey ⬇️

Chemical tagging with APOGEE: discovery of a large population of N-rich stars in the inner Galaxy ⬇️

scholarly article

Chemodynamics of the Milky Way

scientific article published in Astronomy and Astrophysics

Corrigendum to “Spectroscopic needs for imaging dark energy experiments” [Astropart. Phys. 63 (2015) 81–100]

scholarly article

Determining oxygen abundances in metal poor subdwarfs from medium resolution spectra of the OI triplet

scholarly article

Discovery of HE 1523-0901, a Stronglyr-Process-enhanced Metal-poor Star with Detected Uranium ⬇️

scientific article published in the Astrophysical Journal

Discovery of a dynamical cold point in the heart of the Sagittarius dSph galaxy with observations from the APOGEE project ⬇️

scientific article

Disentangling the Galactic Halo with APOGEE. I. Chemical and Kinematical Investigation of Distinct Metal-poor Populations

scientific article published in the Astrophysical Journal

Disentangling the Galactic Halo with APOGEE. II. Chemical and Star Formation Histories for the Two Distinct Populations

scientific article published in the Astrophysical Journal

Disk-like Chemistry of the Triangulum-Andromeda Overdensity as Seen by APOGEE ⬇️

ERRATUM: “THE EIGHTH DATA RELEASE OF THE SLOAN DIGITAL SKY SURVEY: FIRST DATA FROM SDSS-III” (2011, ApJS, 193, 29)

article

Element abundance patterns in stars indicate fission of nuclei heavier than uranium

scientific article published on 07 December 2023

Erratum: Two stellar components in the halo of the Milky Way

scientific article published in Nature

Estimation of distances to stars with stellar parameters from LAMOST ⬇️

scientific article published in Astronomical Journal

Evidence for the Third Stellar Population in the Milky Way’s Disk

scientific article published in December 2019

Exploring anticorrelations and light element variations in northern globular clusters observed by the APOGEE survey ⬇️

scientific article published in Astronomical Journal

Exploring the Stellar Age Distribution of the Milky Way Bulge Using APOGEE

scientific article published on 28 September 2020

First stars VI - Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements

scientific article published in January 2005

First stars. V - Abundance patterns from C to Zn and supernova yields in the early Galaxy

scholarly article

Fixing the reference frame for PPMXL proper motions using extragalactic sources ⬇️

Hubble Space Telescope near-ultraviolet spectroscopy of bright CEMP-s stars ⬇️

scientific article published in the Astrophysical Journal

Hubble Space Telescope near-ultraviolet spectroscopy of the bright CEMP-no star BD+44{deg}493 ⬇️

scientific article published in the Astrophysical Journal

Hypervelocity star candidates in the SEGUE G and K dwarf sample ⬇️

scientific article published in the Astrophysical Journal

Identification of neodymium in the APOGEE H-band spectra ⬇️

scientific article published in the Astrophysical Journal

Insulin-like growth factor binding protein (IGFBP) proteases: functional regulators of cell growth

scientific journal article

Is Ursa Major II the progenitor of the Orphan Stream?

scientific article published in January 2007

Kinematic subpopulations in dwarf spheroidal galaxies

scientific article

Kinematics of Metal-poor Stars in the Galaxy. III. Formation of the Stellar Halo and Thick Disk as Revealed from a Large Sample of Nonkinematically Selected Stars

scientific article published in Astronomical Journal

LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) — The survey's science plan

scientific article

Light curve templates and Galactic distribution of RR Lyrae stars from Sloan Digital Sky Survey stripe 82 ⬇️

scientific article published in the Astrophysical Journal

Light curves of the neutron star merger GW170817/SSS17a: Implications for r-process nucleosynthesis.

scientific article published on 16 October 2017

Lithium abundances in carbon-enhanced metal-poor stars ⬇️

scientific article published in the Astrophysical Journal

Lithium in turnoff and cool halo dwarfs

scientific article published in January 1992

Mapping the Inner Halo of the Galaxy with 2MASS-Selected Horizontal-Branch Candidates

scientific article published in Astronomical Journal

Measurement of stellar age from uranium decay

scientific article

Metal-poor stars observed with the Magellan telescope. I. Constraints on progenitor mass and metallicity of AGB stars undergoing s-process nucleosynthesis ⬇️

scientific article published in the Astrophysical Journal

Metal-poor stars observed with the Magellan telescope. III. New extremely and ultra metal-poor stars from SDSS/SEGUE and insights on the formation of ultra metal-poor stars ⬇️

scientific article published in the Astrophysical Journal

Metallicity Mapping with gri Photometry: The Virgo Overdensity and the Halos of the Galaxy

New detections of arsenic, selenium, and other heavy elements in two metal-poor stars ⬇️

scientific article published in the Astrophysical Journal

New variable star in Sagittarius

Observational constraints on first-star nucleosynthesis. II. Spectroscopy of an ultra metal-poor CEMP-no star ⬇️

scientific article published in the Astrophysical Journal

On the Newly Discovered Canes Venatici II dSph Galaxy ⬇️

scientific article published on 19 February 2008

Population studies. XIII. A new analysis of the Bidelman-MacConnell "weak-metal" Stars--Confirmation of metal-poor stars in the thick disk of the galaxy ⬇️

scientific article published in the Astrophysical Journal

Proper motions in kapteyn selected area 103: a preliminary orbit for the Virgo stellar stream ⬇️

scientific article published in the Astrophysical Journal

Pulsating variable stars in the Coma Berenices dwarf spheroidal galaxy ⬇️

scientific article published in the Astrophysical Journal

RAVE J203843.2–002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey

scientific article published in the Astrophysical Journal

SDSS J103913.70+533029.7: a super star cluster in the outskirts of a galaxy merger

scientific article published in Astronomical Journal

SDSS spectroscopic survey of stars

scientific article

SDSS-III: massive spectroscopic surveys of the distant universe, the Milky Way, and extra-solar planetary systems

scientific article published in Astronomical Journal

SDSS-IV MaStar: A Large and Comprehensive Empirical Stellar Spectral Library—First Release

SEGUE: a spectroscopic survey of 240,000 stars with g = 14-20

scientific article published in Astronomical Journal

Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe

scientific article published in Astronomical Journal

Sodium and oxygen abundances in the open cluster NGC 6791 from APOGEE H-band spectroscopy ⬇️

scientific article published in January 2015

Spectro-photometric distances to stars: A general purpose Bayesian approach ⬇️

scientific article published in Astronomy and Astrophysics

Spectroscopic needs for imaging dark energy experiments

article by Jeffrey A. Newman et al published March 2015 in Astroparticle Physics

Spectroscopy of hot stars in the Galactic halo

scientific article published in Astronomical Journal

Stellar Multiplicity Meets Stellar Evolution and Metallicity: The APOGEE View

scientific article published in the Astrophysical Journal

Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. X. Variability of Fairall 9 from optical data

scientific article published in January 1997

Structure and kinematics of the stellar halos and thick disks of the Milky Way based on calibration stars from Sloan digital sky survey DR7 ⬇️

scientific article published in the Astrophysical Journal

Telling the tale of the first stars ⬇️

scientific article published on April 24, 2003

Testing the asteroseismic mass scale using metal-poor stars characterized with APOGEE and Kepler ⬇️

article

The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory

article by Franco D. Albareti et al published 8 December 2017 in The Astrophysical Journal Supplement Series

The APOGEE red-clump catalog: precise distances, velocities, and high-resolution elemental abundances over a large area of the Milky Way's disk ⬇️

scientific article published in the Astrophysical Journal

The APOKASC catalog: an asteroseismic and spectroscopic joint survey of targets in the Kepler fields ⬇️

article

The Accretion Origin of the Milky Way’s Stellar Halo ⬇️

scientific article published in the Astrophysical Journal

The Century Survey Galactic Halo Project III: A Complete 4300 DEG2 Survey of Blue Horizontal Branch Stars in the Metal-Weak Thick Disk and Inner Halo

scientific article published in Astronomical Journal

The Century Survey Galactic Halo Project. I. Stellar Spectral Analysis

scientific article published in Astronomical Journal

The Century Survey Galactic Halo Project. II. Global Properties and the Luminosity Function of Field Blue Horizontal Branch Stars

scientific article published in Astronomical Journal

The Chemical Composition and Age of the Metal‐poor Halo Star BD +17o3248 ⬇️

scientific article (publication date: 20 June 2002)

The ESO-Max Planck photometric and spectroscopic survey in the south: EMPhaSSiS

The Fifteenth Data Release of the Sloan Digital Sky Surveys: First Release of MaNGA-derived Quantities, Data Visualization Tools, and Stellar Library

article

The Fifth Data Release of the Sloan Digital Sky Survey

article

The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point Observatory Galactic Evolution Experiment

article

The Leo IV dwarf spheroidal galaxy: color-magnitude diagram and pulsating stars ⬇️

scientific article published in the Astrophysical Journal

The Metal-poor non-Sagittarius (?) Globular Cluster NGC 5053: Orbit and Mg, Al, and Si Abundances

scientific article published in the Astrophysical Journal

The Milky Way Tomography with SDSS. II. Stellar Metallicity ⬇️

scientific article published in the Astrophysical Journal

The Milky Way tomography with SDSS. III. Stellar kinematics ⬇️

scientific article published in the Astrophysical Journal

The Milky Way tomography with Sloan Digital Sky Survey. IV. Dissecting dust ⬇️

scientific article published in the Astrophysical Journal

The Milky Way's circular-velocity curve between 4 and 14 kpc from APOGEE data ⬇️

scientific article published in the Astrophysical Journal

The R-Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-poor Star with an Extreme R-process Enhancement of [Eu/H] = −0.14

scientific article published in the Astrophysical Journal

The R-Process Alliance: Chemical Abundances for a Trio of r-process-enhanced Stars—One Strong, One Moderate, and One Mild

scientific article published in the Astrophysical Journal

The R-Process Alliance: Discovery of a Low-α, r-process-enhanced Metal-poor Star in the Galactic Halo

The R-Process Alliance: Discovery of the First Metal-poor Star with a Combined r- and s-process Element Signature

scientific article published in the Astrophysical Journal

The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo

scientific article published in the Astrophysical Journal

The R-process Alliance: First Release from the Southern Search for R-process-enhanced Stars in the Galactic Halo

scientific article published in the Astrophysical Journal

The SDSS-II SEGUE cluster project

scientific article published in January 2004

The SEGUE stellar parameter pipeline. I. Description and comparison of individual methods

scientific article published in Astronomical Journal

The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar, and APOGEE-2 Data

scientific article published on 16 March 2022

The Sixth Data Release of the Sloan Digital Sky Survey

scientific article published in 2008

The binary frequency of r-process-element-enhanced metal-poor stars and its implications: chemical tagging in the primitive halo of the Milky way ⬇️

The case for the dual halo of the Milky Way ⬇️

scientific article published in the Astrophysical Journal

The distance to two neutral hydrogen clouds: the high-velocity complex A and the low-latitude intermediate-velocity cloud ⬇️

scientific article

The dynamics of the X-ray cluster Abell 744

scholarly article

The eighth data release of the Sloan Digital Sky Survey: first data from SDSS-III

scientific article published in 2011

The eleventh and twelfth data releases of the Sloan Digital Sky Survey: final data from SDSS-III ⬇️

scientific article published in 'The Astrophysical Journal Supplement Series' in July 2015

The first hypervelocity star from the LAMOST survey ⬇️

scientific article

The formation of the heaviest elements

The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey

scientific article published in November 2012

The r-process Pattern of a Bright, Highly r-process-enhanced Metal-poor Halo Star at [Fe/H] ∼ −2 ⬇️

The seventh data release of the Sloan Digital Sky Survey

scientific article published in 2009

The spatial structure of mono-abundance sub-populations of the Milky Way disk ⬇️

scientific article published in the Astrophysical Journal

The stellar metallicity distribution function of the galactic halo from SDSS photometry ⬇️

scientific article published in the Astrophysical Journal

The tenth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III apache point observatory galactic evolution experiment

article

The vertical motions of mono-abundance sub-populations in the Milky Way disk ⬇️

scientific article published in the Astrophysical Journal

Ther‐Process in Supernova Explosions from the Collapse of O‐Ne‐Mg Cores ⬇️

scientific article published in the Astrophysical Journal

Time-Resolved Spectroscopy with SDSS

Timing the Evolution of the Galactic Disk with NGC 6791: An Open Cluster with Peculiar High-α Chemistry as Seen by APOGEE

Tracing chemical evolution over the extent of the Milky Way's disk with APOGEE red clump stars ⬇️

scientific article published in the Astrophysical Journal

Variable Stars in the Newly Discovered Milky Way Dwarf Spheroidal Satellite Canes Venatici I ⬇️

scientific article published on 22 January 2008

White paper on nuclear astrophysics and low energy nuclear physics Part 1: Nuclear astrophysics

scientific article published in 2017

X-ray observations of the mass distribution in the cluster of galaxies A 754

scholarly article in Bulletin of the American Astronomical Society, vol. 16, 1984

Young [α/Fe]-enhanced stars discovered by CoRoT and APOGEE: What is their origin? ⬇️

scientific article published in Astronomy and Astrophysics

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