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Ultra-metal-poor Stars: Spectroscopic Determination of Stellar Atmospheric Parameters Using Iron Non-LTE Line Abundances
The Astrophysical journal, 2017-10, Vol.847 (2), p.142
2017
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The R-Process Alliance: First Magellan/MIKE Release from the Southern Search for R-process-enhanced Stars
The Astrophysical journal, 2020-08, Vol.898 (2), p.150
2020
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Evidence for an Aspherical Population III Supernova Explosion Inferred from the Hyper-metal-poor Star HE 1327–2326
The Astrophysical journal, 2019-05, Vol.876 (2), p.97
2019
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The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo
The Astrophysical journal, 2018-12, Vol.868 (2), p.110
2018
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The R-Process Alliance: Chemodynamically Tagged Groups of Halo r-process-enhanced Stars Reveal a Shared Chemical-evolution History
The Astrophysical journal, 2021-02, Vol.908 (1), p.79
2021
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Stellar Abundances at the Center of Early-type Galaxies with Fine Structure
The Astrophysical journal, 2024-06, Vol.968 (2), p.127
2024
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RAVE J203843.2–002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey
The Astrophysical journal, 2017-07, Vol.844 (1), p.18
2017
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The R-Process Alliance: Chemodynamically Tagged Groups. II. An Extended Sample of Halo r-process-enhanced Stars
The Astrophysical journal, 2023-01, Vol.943 (1), p.23
2023
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The R-Process Alliance: 2MASS J22132050–5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45
The Astrophysical journal, 2024-08, Vol.971 (2), p.158
2024
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Discovery of a Metal-poor Red Giant Star with the Highest Ultralithium Enhancement
The Astrophysical journal, 2024-10, Vol.973 (2), p.125
2024
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The R-Process Alliance: Chemical Abundances for a Trio of r-process-enhanced Stars—One Strong, One Moderate, and One Mild
The Astrophysical journal, 2018-09, Vol.864 (1), p.43
2018
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The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks
The Astrophysical journal, 2022-09, Vol.936 (1), p.84
2022
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Uranium Abundances and Ages of r-process Enhanced Stars with Novel U ii Lines
The Astrophysical journal, 2023-05, Vol.948 (2), p.122
2023
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GTC Follow-up Observations of Very Metal-poor Star Candidates from DESI
The Astrophysical journal, 2023-11, Vol.957 (2), p.76
2023
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The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey
The Astrophysical journal, 2019-01, Vol.870 (2), p.122
2019
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Revisiting the Iron Abundance in the Hyper Iron-poor Star HE 1327–2326 with UV COS/HST Data
The Astrophysical journal, 2018-08, Vol.863 (2), p.168
2018
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Revisiting the Iron Abundance in the Hyper Iron-poor Star HE 1327-2326 with UV COS/HST Data Based on observations made with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute (STScI), which is operated by the Association of Universities for Research in Astronomy, Inc. (AURA) under NASA contract NAS 5-26555. These observations are associated with program GO-14151
The Astrophysical journal, 2018-08, Vol.863 (2)
2018
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Chemical Abundance Signature of J0023+0307: A Second-generation Main-sequence Star with [Fe/H] < −6
The Astrophysical journal, 2019-02, Vol.871 (2), p.146
2019
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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
The Astrophysical journal, 2018-10, Vol.865 (2), p.129
2018
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The R-Process Alliance: 2MASS J22132050–5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45 This paper includes data gathered with the 6.5 m Magellan Telescopes located at Las Campanas Observatory, Chile
The Astrophysical journal, 2024-08, Vol.971 (2)
2024
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The R-Process Alliance: A Very Metal-poor, Extremely r-process-enhanced Star with [Eu/Fe] = + 2.2, and the Class of r-III Stars
The Astrophysical journal, 2020-07, Vol.898 (1), p.40
2020
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Uranium Abundances and Ages of r-process Enhanced Stars with Novel U ii Lines Some of the data presented herein were obtained at the W. M. Keck Observatory, which is operated as a scientific partnership among the California Institute of Technology, the University of California, and the National Aeronautics and Space Administration. The Observatory was made possible by the generous financial support of the W. M. Keck Foundation. Additionally, this work is based on observations made with ESO Teles
The Astrophysical journal, 2023-05, Vol.948 (2)
2023
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The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks Based on archival observations made with the NASA/ESA Hubble Space Telescope (program GO-7348, program GO-8342, program GO-9455, program GO-14161, and program GO-14672) and observations collected from the Keck Observatory Archive (program U25H)
The Astrophysical journal, 2022-09, Vol.936 (1)
2022
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Measuring the Magnetic Origins of Solar Flares, Coronal Mass Ejections, and Space Weather
The Astrophysical journal, 2021-08, Vol.917 (1), p.27
2021
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Spectroscopy of the Young Stellar Association Price-Whelan 1: Origin in the Magellanic Leading Arm and Constraints on the Milky Way Hot Halo
The Astrophysical journal, 2019-12, Vol.887 (2), p.115
2019
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