Publications (139)
Origin of $α$-rich young stars: clues from C, N and O
Saskia Hekker, Jennifer A. Johnson
A High-Resolution Spectrum of the Extremely Metal-Rich Bulge G-Dwarf OGLE-2006-BLG-265
Jennifer A. Johnson, Avishay Gal-Yam, Douglas C. Leonard +3
SDSS-V: Pioneering Panoptic Spectroscopy
Juna A. Kollmeier, Gail Zasowski, Hans-Walter Rix +47
The Similarity of Abundance Ratio Trends and Nucleosynthetic Patterns in the Milky Way Disk and Bulge
Emily Griffith, David H. Weinberg, Jennifer A. Johnson +9
Fluorine and Sodium in C-rich low-metallicity stars
Sara Lucatello, Thomas Masseron, Jennifer A. Johnson +2
A Puzzle Involving Galactic Bulge Microlensing Events
Judith G. Cohen, Andrew Gould, Ian B. Thompson +7
Spectroscopic Follow-up of Young High-$α$ Dwarf Star Candidates: Still Likely Genuinely Young
Yuxi Lu, Catherine Manea, Maryum Sayeed +9
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
SDSS-III/APOGEE: Detailed Abundances of Galactic Star Clusters
Peter M Frinchaboy, Gail Zasowski, Kelly Jackson +4
Chemical Cartography with APOGEE: Multi-element abundance ratios
David H. Weinberg, Jon A. Holtzman, Sten Hasselquist +25
The SEGUE Stellar Parameter Pipeline. V. Estimation of Alpha-Element Abundance Ratios From Low-Resolution SDSS/SEGUE Stellar Spectra
Young Sun Lee, Timothy C. Beers, Carlos Allende Prieto +7
Abundances of 30 elements in 23 metal-poor stars
Jennifer A. Johnson
The APO-K2 Catalog. I. 7,673 Red Giants with Fundamental Stellar Parameters from APOGEE DR17 Spectroscopy and K2-GAP Asteroseismology
Jessica Schonhut-Stasik, Joel C. Zinn, Keivan G. Stassun +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
[C/N] Ages for Red Giants and their Implications for Galactic Archaeology
John D. Roberts, Marc H. Pinsonneault, Jennifer A. Johnson +2
Mapping Progenitors of Binary Black Holes and Neutron Stars with Binary Population Synthesis
Miqaela K. Weller, Jennifer A. Johnson
Examining the relationships between colour, $T_{\rm eff}$, and [M/H] for APOGEE K and M dwarfs
Sarah J. Schmidt, Erika L. Wagoner, Jennifer A. Johnson +4
Nature vs. Nurture: Distinguishing Effects from Stellar Processing and Chemical Evolution on Carbon and Nitrogen in Red Giant Stars
John D. Roberts, Marc H. Pinsonneault, Jennifer A. Johnson +16
Target Selection for the Apache Point Observatory Galactic Evolution Experiment (APOGEE)
G. Zasowski, Jennifer A. Johnson, P. M. Frinchaboy +43
A Unique Star in the Outer Halo of the Milky Way
David K. Lai, Constance M. Rockosi, Michael Bolte +5
Chemical Cartography with APOGEE: Mapping Disk Populations with a Two-Process Model and Residual Abundances
David H. Weinberg, Jon A. Holtzman, Jennifer A. Johnson +33
Constraining Metallicity-dependent Mixing and Extra Mixing using [C/N] in Alpha-Rich Field Giants
Matthew Shetrone, Jamie Tayar, Jennifer A. Johnson +11
TESS Asteroseismology of Red Giants in the Old Metal-Rich Open Clusters NGC 188 & NGC 6791
Madeline Howell, Jennifer A. Johnson, Marc H. Pinsonneault +5
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
APOGEE Chemical Abundances of Globular Cluster Giants in the Inner Galaxy
Ricardo P. Schiavon, Jennifer A. Johnson, Peter M. Frinchaboy +27
Clues to the Metallicity Distribution in the Galactic Bulge: Abundances in MOA-2008-BLG310 and MOA-2008-BLG311
Judith G. Cohen, Ian B. Thompson, Takahiro Sumi +5
Discovery of a Dynamical Cold Point in the Heart of the Sagittarius dSph Galaxy with Observations from the APOGEE Project
Steven R. Majewski, Sten Hasselquist, Ewa L. Åokas +30
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
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
SDSS-V Milky Way Mapper (MWM): ASPCAP Stellar Parameters and Abundances in SDSS-V Data Release 19
Szabolcs Mészáros, Paula Jofré, Jennifer A. Johnson +25
Mapping the Distant and Metal-Poor Milky Way with SDSS-V
Vedant Chandra, Phillip A. Cargile, Alexander P. Ji +28
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
The Impact of Black Hole Formation on Population Averaged Supernova Yields
Emily J. Griffith, Tuguldur Sukhbold, David H. Weinberg +3
Probing Galactic Structure with the Spatial Correlation Function of SEGUE G-dwarf Stars
Qingqing Mao, Andreas A. Berlind, Kelly Holley-Bockelmann +8
Chemical Cartography with APOGEE: Large-scale Mean Metallicity Maps of the Milky Way
Michael R. Hayden, Jon A. Holtzman, Jo Bovy +27
Ages for Globular Clusters in the Outer Galactic Halo: The Second Parameter Clusters Palomar~3, Palomar~4 and Eridanus
Peter B. Stetson, Michael Bolte, William E. Harris +9
Residual Abundances in GALAH DR3: Implications for Nucleosynthesis and Identification of Unique Stellar Populations
Emily J. Griffith, David H. Weinberg, Sven Buder +3
Chemical Abundances in Field Red Giants from High-Resolution H-Band Spectra using the APOGEE Spectral Linelist
Verne V. Smith, Katia Cunha, Matthew D. Shetrone +8
CNO dredge-up in a sample of APOGEE/Kepler red giants: Tests of stellar models and Galactic evolutionary trends of N/O and C/N
Fiorenzo Vincenzo, David H. Weinberg, Josefina Montalbán +8
A Search for Binary Stars at Low Metallicity
David K. Lai, Sara Lucatello, Michael Bolte +2
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
Untangling the Sources of Abundance Dispersion in Low-metallicity Stars II: Neutron Capture Elements
Emily J. Griffith, Marissa Blum, David H. Weinberg +4
The APO-K2 Catalog. II. Accurate Stellar Ages for Red Giant Branch Stars across the Milky Way
Jack T. Warfield, Joel C. Zinn, Jessica Schonhut-Stasik +11
Principal Component Abundance Analysis of Microlensed Bulge Dwarf and Subgiant Stars
Brett H. Andrews, David H. Weinberg, Jennifer A. Johnson +2
The Eighteenth Data Release of the Sloan Digital Sky Surveys: Targeting and First Spectra from SDSS-V
Andrés Almeida, Scott F. Anderson, Maria Argudo-Fernández +151
Chemical Abundances for Evolved Stars in M5: Lithium through Thorium
David K. Lai, Graeme H. Smith, Michael Bolte +4
The APOKASC Catalog: An Asteroseismic and Spectroscopic Joint Survey of Targets in the Kepler Fields
Marc H. Pinsonneault, Yvonne Elsworth, Courtney Epstein +42
Abundance ratios in GALAH DR2 and their implications for nucleosynthesis
Emily Griffith, Jennifer A. Johnson, David H. Weinberg
Th Ages for Metal-Poor Stars
Jennifer A. Johnson, Michael Bolte
The Effect of Differential Limb Magnification on Abundance Analysis of Microlensed Dwarf Stars
Jennifer A. Johnson, Subo Dong, Andrew Gould
Chemical Composition of Faint (I~21 mag) Microlensed Bulge Dwarf OGLE-2007-BLG-514S
Courtney R. Epstein, Jennifer A. Johnson, Subo Dong +3
The APOGEE red-clump catalog: Precise distances, velocities, and high-resolution elemental abundances over a large area of the Milky Way's disk
Jo Bovy, David L. Nidever, Hans-Walter Rix +48
Final Targeting Strategy for the SDSS-IV APOGEE-2S Survey
Felipe A. Santana, Rachael L. Beaton, Kevin R. Covey +43
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
Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe
Michael R. Blanton, Matthew A. Bershady, Bela Abolfathi +350
SEGUE-2 Limits on Metal-Rich Old-Population Hypervelocity Stars In the Galactic Halo
Juna A. Kollmeier, Andrew Gould, Constance Rockosi +7
The Vertical Metallicity Gradient of the Milky Way Disk: Transitions in [a/Fe] Populations
Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi +10
A Tale of Two Disks: Mapping the Milky Way with the Final Data Release of APOGEE
Julie Imig, Cathryn Price, Jon A. Holtzman +24
Galactic Chemical Evolution Models Favor an Extended Type Ia Supernova Delay-Time Distribution
Liam O. Dubay, Jennifer A. Johnson, James W. Johnson
Chemical Compositions of Red Giant Stars in Old Large Magellanic Cloud Globular Clusters
Jennifer A. Johnson, Inese I. Ivans, Peter B. Stetson
Carbon and Strontium Abundances of Metal-Poor Stars
David K. Lai, Jennifer A. Johnson, Michael Bolte +1
The Apache Point Observatory Galactic Evolution Experiment: First Detection of High Velocity Milky Way Bar Stars
David L. Nidever, Gail Zasowski, Steven R. Majewski +33
[C/N] Ages and Extra-Mixing for [Fe/H] <- 0.5: Insights from the LMC and SMC
Yuxi Lu, John D. Roberts, Joshua T. Povick +4
Discovery of a Candidate Black Hole - Giant Star Binary System in the Galactic Field
Todd A. Thompson, Christopher S. Kochanek, Krzysztof Z. Stanek +14
The K2 Galactic Archaeology Program Data Release 3: Age-abundance patterns in C1-C8 and C10-C18
Joel C. Zinn, Dennis Stello, Yvonne Elsworth +28
The origin of accreted stellar halo populations in the Milky Way using APOGEE, $\textit{Gaia}$, and the EAGLE simulations
J. Ted Mackereth, Ricardo P. Schiavon, Joel Pfeffer +12
The SDSS-III APOGEE Spectral Line List for H-band Spectroscopy
Matthew Shetrone, Dmitry Bizyaev, James Lawler +15
The Correlation Between Mixing Length and Metallicity on the Giant Branch: Implications for Ages in the Gaia Era
Jamie Tayar, Garrett Somers, Marc H. Pinsonneault +28
Nitrogen abundances in giant stars of the globular cluster NGC 6752
David Yong, Frank Grundahl, Jennifer A. Johnson +1
Sodium and Oxygen Abundances in the Open Cluster NGC 6791 from APOGEE H-Band Spectroscopy
Katia Cunha, Verne V. Smith, Jennifer A. Johnson +27
Untangling the Sources of Abundance Dispersion in Low-Metallicity Stars
Emily J. Griffith, Jennifer A. Johnson, David H. Weinberg +4
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
Romina Ahumada, Carlos Allende Prieto, Andres Almeida +310
The s-process in metal-poor stars: Abundances for 22 neutron-capture elements in CS 31062-050
Jennifer A. Johnson, Michael Bolte
Rapid Rotation of Low-Mass Red Giants Using APOKASC: A Measure of Interaction Rates on the Post-main-sequence
Jamie Tayar, Tugdual Ceillier, D. A. GarcÃa-Hernández +16
Evidence of Truly Young high-$α$ Dwarf Stars
Yuxi Lu, Isabel L. Colman, Maryum Sayeed +14
Oxygen Abundances in Metal-Poor Stars
Jon P. Fulbright, Jennifer A. Johnson
A Data-Driven M Dwarf Model and Detailed Abundances for $\sim$17,000 M Dwarfs in SDSS-V
Aida Behmard, Melissa K. Ness, Andrew R. Casey +6
Stellar multiplicity in high-resolution spectroscopic surveys. I. Application to APOGEE subgiants and giants
Edita StonkutÄ, Ross P. Church, Sofia Feltzing +1
Testing the Asteroseismic Mass Scale Using Metal-Poor Stars Characterized with APOGEE and Kepler
Courtney R. Epstein, Yvonne P. Elsworth, Jennifer A. Johnson +29
The Initial mass function of field stars with mass $\leq$ 1 $M_{\odot}$ varies with metallicity
Dan Qiu, Chao Liu, Jennifer A. Johnson +2
Bayesian distances and extinctions for giants observed by Kepler and APOGEE
ThaÃse S. Rodrigues, Léo Girardi, Andrea Miglio +30
Metallicity Mapping with gri Photometry: The Virgo Overdensity and the Halos of the Galaxy
Timothy C. Beers, Deokkeun An, Jennifer A. Johnson +7
The Ninth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Baryon Oscillation Spectroscopic Survey
III Collaboration, Christopher P. Ahn, Rachael Alexandroff +224
Tracing Sagittarius Structure with SDSS and SEGUE Imaging and Spectroscopy
Brian Yanny, Heidi Jo Newberg, Jennifer A. Johnson +12
A Reanalysis of the Composition of K2-106b: an Ultra-short Period Super-Mercury Candidate
Romy RodrÃguez MartÃnez, B. Scott Gaudi, Joseph G. Schulze +9
The Apache Point Observatory Galactic Evolution Experiment (APOGEE)
Steven R. Majewski, Ricardo P. Schiavon, Peter M. Frinchaboy +75
The Open Cluster Chemical Analysis and Mapping Survey: Local Galactic Metallicity Gradient with APOGEE using SDSS DR10
Peter M. Frinchaboy, Benjamin Thompson, Kelly M. Jackson +31
Very Metal-poor Stars in the Outer Galactic Bulge Found by the Apogee Survey
Ana E. GarcÃa Pérez, Katia Cunha, Matthew Shetrone +27
APOKASC-3: The Third Joint Spectroscopic and Asteroseismic catalog for Evolved Stars in the Kepler Fields
Marc H. Pinsonneault, Joel C. Zinn, Jamie Tayar +38
Inflow, Outflow, Yields, and Stellar Population Mixing in Chemical Evolution Models
Brett H. Andrews, David H. Weinberg, Ralph Schönrich +1
The Eleventh and Twelfth Data Releases of the Sloan Digital Sky Survey: Final Data from SDSS-III
Shadab Alam, Franco D. Albareti, Carlos Allende Prieto +271
The Stellar Metallicity Distribution Function of the Galactic Halo from SDSS Photometry
Deokkeun An, Timothy C. Beers, Jennifer A. Johnson +6
Stellar Parameters of BOSS M dwarfs in SDSS-V DR19
Dan Qiu, Jennifer A. Johnson, Chao Liu +15
Spectacular nucleosynthesis from early massive stars
Alexander P. Ji, Sanjana Curtis, Nicholas Storm +39
APOGEE [C/N] Abundances Across the Galaxy: Migration and Infall from Red Giant Ages
Sten Hasselquist, Jon A. Holtzman, Matthew Shetrone +14
A nearly pristine star from the Large Magellanic Cloud
Alexander P. Ji, Vedant Chandra, Selenna Mejias-Torres +28
The Tenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Apache Point Observatory Galactic Evolution Experiment
Christopher P. Ahn, Rachael Alexandroff, Carlos Allende Prieto +232
Nucleosynthesis signatures of neutrino-driven winds from proto-neutron stars: a perspective from chemical evolution models
Fiorenzo Vincenzo, Todd A. Thompson, David H. Weinberg +3