Chemical Abundances in the Ultra-faint Dwarf Galaxies Grus I and Triangulum II: Neutron-capture Elements as a Defining Feature of the Faintest Dwarfs

by Frebel, Anna L.
Published 2020

Actinide-rich and Actinide-poor r-process-enhanced Metal-poor Stars Do Not Require Separate r-process Progenitors

by Holmbeck, Erika M., Frebel, Anna L., McLaughlin, G. C., Mumpower, Matthew R., Sprouse, Trevor M., Surman, Rebecca
Published 2021

JINAbase-A Database for Chemical Abundances of Metal-poor Stars

by Abohalima, Abdu, Frebel, Anna, Frebel, Anna L.
Published 2019

Chemical Abundance Signature of J0023+0307: A Second-generation Main-sequence Star with [Fe/H]

by Frebel, Anna L., Ezzeddine, Rana, Chiti, Anirudh
Published 2020

Spectroscopic Validation of Low-metallicity Stars from RAVE

by Placco, Vinicius M., Beers, Timothy C., Santucci, Rafael M., Chanamé, Julio, Sepúlveda, María Paz, Coronado, Johanna, Points, Sean D., Kaleida, Catherine C., Rossi, Silvia, Kordopatis, Georges, Lee, Young Sun, Matijevič, Gal, Frebel, Anna L., Hansen, Terese T., Holmbeck, Erika M., Rasmussen, Kaitlin C., Roederer, Ian U., Sakari, Charli M., Whitten, Devin D.
Published 2019

From Actinides to Zinc: Using the Full Abundance Pattern of the Brightest Star in Reticulum II to Distinguish between Different

by Ji, Alexander P., Frebel, Anna L.
Published 2018

The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey

by Ezzeddine, Rana, Frebel, Anna L.
Published 2020

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

by Ezzeddine, Rana, Frebel, Anna L.
Published 2020

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

by Sakari, Charli M., Placco, Vinicius M., Hansen, Terese, Holmbeck, Erika M., Beers, Timothy C., Roederer, Ian U., Venn, Kim A., Wallerstein, George, Davis, Christopher Evan, Farrell, Elizabeth M., Yong, David, Frebel, Anna L.
Published 2018

Four Metal-poor Stars in the Sagittarius Dwarf Spheroidal Galaxy

by Chiti, Anirudh, Frebel, Anna L.
Published 2020

Revisiting the Iron Abundance in the Hyper Iron-poor Star HE 1327-2326 with UV COS/HAT Data

by Ezzeddine, Rana, Frebel, Anna L.
Published 2019

The Origin of r -process Enhanced Metal-poor Halo Stars In Now-destroyed Ultra-faint Dwarf Galaxies

by Brauer, Kaley, Frebel, Anna L.
Published 2020

Chemical Abundances of New Member Stars in the Tucana II Dwarf Galaxy

by Ji, Alexander P., Jerjen, Helmut, Kim, Dongwon, Norris, John E., Chiti, Anirudh, Frebel, Anna L.
Published 2018

Detection of a Population of Carbon-enhanced Metal-poor Stars in the Sculptor Dwarf Spheroidal Galaxy*

by Simon, Joshua D., Thompson, Ian B., Shectman, Stephen A., Mateo, Mario, Bailey, John I., Crane, Jeffrey D., Walker, Matthew, Frebel, Anna L., Chiti, Anirudh
Published 2018

Evidence for an Aspherical Population III Supernova Explosion Inferred from the Hyper-metal-poor Star HE 1327-2326

by Ezzeddine, Rana, Frebel, Anna L.
Published 2020

Neutron Star Mergers Might Not Be the Only Source of r -process Elements in the Milky Way

by Frebel, Anna L.
Published 2020

NEW DETECTIONS OF ARSENIC, SELENIUM, AND OTHER HEAVY ELEMENTS IN TWO METAL-POOR STARS

by Roederer, Ian U., Schatz, Hendrik, Lawler, James E., Beers, Timothy C., Cowan, John J., Frebel, Anna L., Ivans, Inese I., Sneden, Christopher, Sobeck, Jennifer S.
Published 2015

HUNTING THE PARENT OF THE ORPHAN STREAM. II. THE FIRST HIGH-RESOLUTION SPECTROSCOPIC STUDY

by Casey, Andrew R., Keller, Stefan C., Da Costa, Gary, Frebel, Anna L., Maunder, Elizabeth
Published 2015