The R-process Alliance: A Nearly Complete R-process Abundance Template Derived from Ultraviolet Spectroscopy of the R-process-enhanced Metal-poor Star HD 222925
Roederer, Ian U., Lawler, James E., Den Hartog, Elizabeth A., Placco, Vinicius M., Surman, Rebecca, Beers, Timothy C., Ezzeddine, Rana, Frebel, Anna, Hansen, Terese T., Hattori, Kohei, Holmbeck, Erika M., Sakari, Charli M.
Published in The Astrophysical journal. Supplement series (01.06.2022)
Published in The Astrophysical journal. Supplement series (01.06.2022)
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Journal Article
Iron-peak Element Abundances in Warm Very Metal-poor Stars
Sneden, Christopher, Boesgaard, Ann Merchant, Cowan, John J., Roederer, Ian U., Den Hartog, Elizabeth A., Lawler, James E.
Published in The Astrophysical journal (01.08.2023)
Published in The Astrophysical journal (01.08.2023)
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Journal Article
Chemical Compositions of Evolved Stars from Near-infrared IGRINS High-resolution Spectra. I. Abundances in Three Red Horizontal Branch Stars
Af ar, Melike, Sneden, Christopher, Wood, Michael P., Lawler, James E., Bozkurt, Zeynep, Topcu, Gamze Böcek, Mace, Gregory N., Kim, Hwihyun, Jaffe, Daniel T.
Published in The Astrophysical journal (20.09.2018)
Published in The Astrophysical journal (20.09.2018)
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Journal Article
The Extremely Metal-poor, Neutron Capture-rich Star CS 22892-052: A Comprehensive Abundance Analysis
Sneden, Christopher, Cowan, John J, Lawler, James E, Ivans, Inese I, Burles, Scott, Beers, Timothy C, Primas, Francesca, Hill, Vanessa, Truran, James W, Fuller, George M, Pfeiffer, Bernd, Kratz, Karl-Ludwig
Published in The Astrophysical journal (10.07.2003)
Published in The Astrophysical journal (10.07.2003)
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Journal Article
Vanadium Abundance Derivations in 255 Metal-poor Stars
Ou 欧, Xiaowei 筱葳, Roederer, Ian U., Sneden, Christopher, Cowan, John J., Lawler, James E., Shectman, Stephen A., Thompson, Ian B.
Published in The Astrophysical journal (01.09.2020)
Published in The Astrophysical journal (01.09.2020)
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Journal Article
Consistent Iron Abundances Derived from Neutral and Singly Ionized Iron Lines in Ultraviolet and Optical Spectra of Six Warm Metal-poor Stars
Roederer, Ian U., Sneden, Christopher, Lawler, James E., Sobeck, Jennifer S., Cowan, John J., Boesgaard, Ann Merchant
Published in The Astrophysical journal (20.06.2018)
Published in The Astrophysical journal (20.06.2018)
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Journal Article
NEW HUBBLE SPACE TELESCOPE OBSERVATIONS OF HEAVY ELEMENTS IN FOUR METAL-POOR STARS
Roederer, Ian U, Lawler, James E, Sobeck, Jennifer S, Beers, Timothy C, Cowan, John J, FREBEL, ANNA, Ivans, Inese I, Schatz, Hendrik, Sneden, Christopher, Thompson, Ian B
Published in The Astrophysical journal. Supplement series (01.12.2012)
Published in The Astrophysical journal. Supplement series (01.12.2012)
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Journal Article
NEW DETECTIONS OF ARSENIC, SELENIUM, AND OTHER HEAVY ELEMENTS IN TWO METAL-POOR STARS
Roederer, Ian U, Schatz, Hendrik, Lawler, James E, Beers, Timothy C, Cowan, John J, FREBEL, ANNA, Ivans, Inese I, Sneden, Christopher, Sobeck, Jennifer S
Published in The Astrophysical journal (01.08.2014)
Published in The Astrophysical journal (01.08.2014)
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Journal Article
Europium Isotopic Abundances in Very Metal Poor Stars
Sneden, Christopher, Cowan, John J, Lawler, James E, Burles, Scott, Beers, Timothy C, Fuller, George M
Published in The Astrophysical journal (10.02.2002)
Published in The Astrophysical journal (10.02.2002)
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Journal Article
Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars
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 in Astrophysical journal. Letters (01.10.2020)
Published in Astrophysical journal. Letters (01.10.2020)
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Journal Article