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

Predicting the locations of possible long-lived low-mass first stars: importance of satellite dwarf galaxies

by Magg, Mattis, Hartwig, Tilman, Agarwal, Bhaskar, Frebel, Anna L., Glover, Simon C. O., Griffen, Brendan F., Klessen, Ralf S.
Published 2019

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*

by Roederer, Ian U., Sakari, Charli M., Placco, Vinicius M., Beers, Timothy C., Ezzeddine, Rana, Frebel, Anna, Hansen, Terese T.
Published 2020

THE EFFECTS OF VARYING COSMOLOGICAL PARAMETERS ON HALO SUBSTRUCTURE

by Zukin, Phillip, Vogelsberger, Mark, Hernquist, L., Dooley, Gregory Alan, Ji, Alexander Pung, Frebel, Anna L., Griffen, Brendan F.
Published 2014

THE CHEMICAL ABUNDANCES OF STARS IN THE HALO (CASH) PROJECT. III. A NEW CLASSIFICATION SCHEME FOR CARBON-ENHANCED METAL-POOR STARS WITH s-PROCESS ELEMENT ENHANCEMENT

by Hollek, Julie K., Placco, Vinicius M., Karakas, Amanda I., Shetrone, Matthew, Sneden, Christopher, Christlieb, Norbert, Frebel, Anna L.
Published 2016

Metal-poor Stars Observed with the Southern African Large Telescope

by Rasmussen, Kaitlin C., Zepeda, Joseph, Beers, Timothy C., Placco, Vinicius M., Depagne, Éric, Frebel, Anna, Dietz, Sarah, Hartwig, Tilman
Published 2022

Tracing the first stars and galaxies of the Milky Way

by Griffen, Brendan F., Dooley, Gregory Alan, Ji, Alexander Pung, O'Shea, Brian W, Gómez, Facundo A, Frebel, Anna L.
Published 2019

Reconstructing Masses of Merging Neutron Stars from Stellar r-process Abundance Signatures

by Holmbeck, Erika M, Frebel, Anna, McLaughlin, GC, Surman, Rebecca, Fernández, Rodrigo, Metzger, Brian D, Mumpower, Matthew R, Sprouse, TM
Published 2022

Selecting ultra-faint dwarf candidate progenitors in cosmological N-body simulations at high redshifts

by Safarzadeh, Mohammadtaher, Ji, Alexander P, Dooley, Gregory Alan, Frebel, Anna L., Scannapieco, Evan, Gómez, Facundo A, O'Shea, Brian W
Published 2019

The Most Metal-Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction

by Frebel, Anna L., Yong, David, Norris, John E., Bessell, M. S., Christlieb, N., Asplund, M., Beers, Timothy C., Barklem, P. S., Ryan, S. G.
Published 2013

The Most Metal-Poor Stars. II. Chemical Abundances of 190 Metal-Poor Stars Including 10 New Stars With [Fe/H] ≤ -3.5

by Frebel, Anna L., Yong, David, Bessell, M. S., Christlieb, N., Asplund, M., Beers, Timothy C., Barklem, P. S., Ryan, S. G., Norris, John E.
Published 2013

THE CATERPILLAR PROJECT: A LARGE SUITE OF MILKY WAY SIZED HALOS

by Vogelsberger, Mark, O'Shea, Brian W., Ji, Alexander Pung, Dooley, Gregory Alan, Gomez, Facundo A., Frebel, Anna L., Griffen, Brendan F.
Published 2016

PORTRAIT OF A DARK HORSE: A PHOTOMETRIC AND SPECTROSCOPIC STUDY OF THE ULTRA-FAINT MILKY WAY SATELLITE PEGASUS III

by Kim, Dongwon, Jerjen, Helmut, Geha, Marla, Milone, Antonino P., Costa, Gary Da, Mackey, Dougal, Conn, Blair, Chiti, Anirudh, Frebel, Anna L.
Published 2017

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

by Placco, Vinicius M., Lee, Young Sun, Beers, Timothy C., Pena, Jose M., Chan, Conrad, Heger, Alexander, Frebel, Anna L., Jacobson, Heather
Published 2015

OBSERVATIONAL CONSTRAINTS ON FIRST-STAR NUCLEOSYNTHESIS. II. SPECTROSCOPY OF AN ULTRA METAL-POOR CEMP-no STAR

by Placco, Vinicius M., Beers, Timothy C., Yoon, Jinmi, Heger, Alexander, Chan, Conrad, Casey, Andrew R., Christlieb, Norbert, Frebel, Anna L., Chiti, Anirudh
Published 2017

METAL-POOR STARS OBSERVED WITH THE MAGELLAN TELESCOPE. I. CONSTRAINTS ON PROGENITOR MASS AND METALLICITY OF AGB STARS UNDERGOING s-PROCESS NUCLEOSYNTHESIS

by Placco, Vinicius M., Beers, Timothy C., Karakas, Amanda I., Kennedy, Catherine R., Rossi, Silvia, Christlieb, N., Stancliffe, Richard J., Frebel, Anna L.
Published 2014

METAL-POOR STARS OBSERVED WITH THE MAGELLAN TELESCOPE. II. DISCOVERY OF FOUR STARS WITH [Fe/H] ≤ -3.5

by Placco, Vinicius M., Beers, Timothy C., Christlieb, N., Lee, Young Sun, Kennedy, Catherine R., Rossi, Silvia, Santucci, Rafael M., Frebel, Anna L.
Published 2014

Characterizing r-Process Sites through Actinide Production

by Holmbeck, Erika M, Surman, Rebecca, Frebel, Anna, McLaughlin, GC, Mumpower, Matthew R, Sprouse, Trevor M, Kawano, Toshihiko, Vassh, Nicole, Beers, Timothy C
Published 2022

BRIGHT METAL-POOR STARS FROM THE HAMBURG/ESO SURVEY. II. A CHEMODYNAMICAL ANALYSIS

by Beers, Timothy C., Placco, Vinicius M., Carollo, Daniela, Rossi, Silvia, Lee, Young Sun, Norris, John E., Dietz, Sarah, Masseron, Thomas, Frebel, Anna L.
Published 2017

Detection of the Second R-Process Peak Element Tellurium in Metal-Poor Stars

by Roederer, Ian U., Lawler, James E., Cowan, John J., Beers, Timothy C., Frebel, Anna L., Ivans, Inese I., Schatz, Hendrik, Sobeck, Jennifer S., Sneden, Christopher
Published 2013