Anna Frebel
0000-0002-2139-7145
Massachusetts Institute of Technology
51 papers found
Refreshing results…
Stellar Metallicities from SkyMapper Photometry I: A Study of the Tucana II Ultra-faint Dwarf Galaxy
Actinide-rich and Actinide-poor r-process-enhanced Metal-poor Stars Do Not Require Separate r-process Progenitors
The lowest detected stellar Fe abundance: the halo star SMSS J160540.18−144323.1
Evidence for an Aspherical Population III Supernova Explosion Inferred from the Hyper-metal-poor Star HE 1327–2326
Neutron Star Mergers Might Not Be the Only Source of r-process Elements in the Milky Way
Four Metal-poor Stars in the Sagittarius Dwarf Spheroidal Galaxy
The R-Process Alliance: Discovery of a Low-α, r-process-enhanced Metal-poor Star in the Galactic Halo
Keck HIRES spectroscopy of SkyMapper commissioning survey candidate extremely metal-poor stars
The Origin of r-process Enhanced Metal-poor Halo Stars In Now-destroyed Ultra-faint Dwarf Galaxies
Chemical Abundance Signature of J0023+0307: A Second-generation Main-sequence Star with [Fe/H] < −6
The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey
Chemical Abundances in the Ultra-faint Dwarf Galaxies Grus I and Triangulum II: Neutron-capture Elements as a Defining Feature of the Faintest Dwarfs
The R-Process Alliance: First Release from the Northern Search for r-process-enhanced Metal-poor Stars in the Galactic Halo
JINAbase—A Database for Chemical Abundances of Metal-poor Stars
TheR-Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-poor Star with an ExtremeR-process Enhancement of [Eu/H] = −0.14
The R-Process Alliance: Chemical Abundances for a Trio of r-process-enhanced Stars—One Strong, One Moderate, and One Mild
Revisiting the Iron Abundance in the Hyper Iron-poor Star HE 1327–2326 with UV COS/HST Data
The R-Process Alliance: Discovery of the First Metal-poor Star with a Combined r- and s-process Element Signature
Erratum: “Chemical Abundances of New Member Stars in the Tucana II Dwarf Galaxy” (2018, ApJ, 857, 74)
The R -Process Alliance: 2MASS J09544277+5246414, the Most Actinide-enhanced R -II Star Known
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