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 R-process Alliance: first release from the southern search for R-process-enhanced stars in the galactic halo

by Hansen, Terese T., Holmbeck, Erika M., Beers, Timothy C., Placco, Vinicius M., Roederer, Ian U., Frebel, Anna, Sakari, Charli M., Simon, Joshua D., Thompson, Ian B.
Published 2020

The R-Process Alliance: chemical abundances for a trio of R-process-enhanced stars -- one strong, one moderate, and one mild

by Cain, Madelyn, Frebel, Anna, Gull, Maude, Ji, Alexander P., Placco, Vinicius M., Beers, Timothy C., Meléndez, Jorge, Ezzeddine, Rana, Casey, Andrew R., Hansen, Terese T., Roederer, Ian U., Sakari, Charli
Published 2020

Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars

by Roederer, Ian U., Lawler, James E., Holmbeck, Erika M., Beers, Timothy C., Ezzeddine, Rana, Frebel, Anna, Hansen, Terese T., Ivans, Inese I., Karakas, Amanda I., Placco, Vinicius M., Sakari, Charli M.
Published 2022

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

The R-Process Alliance: Chemodynamically Tagged Groups of Halo r-process-enhanced Stars Reveal a Shared Chemical-evolution History

by Gudin, Dmitrii, Shank, Derek, Beers, Timothy C., Yuan, Zhen, Limberg, Guilherme, Roederer, Ian U., Placco, Vinicius, Holmbeck, Erika M., Dietz, Sarah, Rasmussen, Kaitlin C., Hansen, Terese T., Sakari, Charli M., Ezzeddine, Rana, Frebel, Anna
Published 2022

The R-Process Alliance: Chemodynamically Tagged Groups of Halo r-process-enhanced Stars Reveal a Shared Chemical-evolution History

by Gudin, Dmitrii, Shank, Derek, Beers, Timothy C, Yuan, Zhen, Limberg, Guilherme, Roederer, Ian U, Placco, Vinicius, Holmbeck, Erika M, Dietz, Sarah, Rasmussen, Kaitlin C, Hansen, Terese T, Sakari, Charli M, Ezzeddine, Rana, Frebel, Anna
Published 2022

RAVE J203843.2-002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey

by Placco, Vinicius M., Holmbeck, Erika M., Beers, Timothy C., Surman, Rebecca A., Points, Sean D., Kaleida, Catherine C., Hansen, Terese T., Sakari, Charli M., Casey, Andrew R., Frebel, Anna L., Ji, Alexander Pung, Ezzeddine, Rana
Published 2017

HUBBLE SPACE TELESCOPE NEAR-ULTRAVIOLET SPECTROSCOPY OF BRIGHT CEMP-s STARS

by Placco, Vinicius M., Beers, Timothy C., Ivans, Inese I., Filler, Dan, Imig, Julie A., Roederer, Ian U., Abate, Carlo, Hansen, Terese, Cowan, John J., Lawler, James E., Schatz, Hendrik, Sneden, Christopher, Sobeck, Jennifer S., Aoki, Wako, Smith, Verne V., Bolte, Michael, Frebel, Anna L.
Published 2016

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