Hasil Pencarian - Ian U. Roederer

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  1. 1
    Finding r-II Sibling Stars in the Milky Way with the Greedy Optimistic Clustering Algorithm

    Finding r-II Sibling Stars in the Milky Way with the Greedy Optimistic Clustering Algorithm oleh Kohei Hattori, Akifumi Okuno, Ian U. Roederer

    Diterbitkan 2023-01-01
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  2. 2
    HD 222925: A New Opportunity to Explore the Astrophysical and Nuclear Conditions of r-process Sites

    HD 222925: A New Opportunity to Explore the Astrophysical and Nuclear Conditions of r-process Sites oleh Erika M. Holmbeck, Rebecca Surman, Ian U. Roederer, G. C. McLaughlin, Anna Frebel

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  3. 3
    Iron-peak Element Abundances in Warm Very Metal-poor Stars

    Iron-peak Element Abundances in Warm Very Metal-poor Stars oleh Christopher Sneden, Ann Merchant Boesgaard, John J. Cowan, Ian U. Roederer, Elizabeth A. Den Hartog, James E. Lawler

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  4. 4
    Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy

    Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy oleh Ian U. Roederer, Andrew B. Pace, Vinicius M. Placco, Nelson Caldwell, Sergey E. Koposov, Mario Mateo, Edward W. Olszewski, Matthew G. Walker

    Diterbitkan 2023-01-01
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  5. 5
    The R-Process Alliance: 2MASS J22132050–5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45

    The R-Process Alliance: 2MASS J22132050–5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45 oleh Ian U. Roederer, Timothy C. Beers, Kohei Hattori, Vinicius M. Placco, Terese T. Hansen, Rana Ezzeddine, Anna Frebel, Erika M. Holmbeck, Charli M. Sakari

    Diterbitkan 2024-01-01
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  6. 6
    Magellan/M2FS and MMT/Hectochelle Spectroscopy of Dwarf Galaxies and Faint Star Clusters within the Galactic Halo

    Magellan/M2FS and MMT/Hectochelle Spectroscopy of Dwarf Galaxies and Faint Star Clusters within the Galactic Halo oleh Matthew G. Walker, Nelson Caldwell, Mario Mateo, Edward W. Olszewski, Andrew B. Pace, John I. Bailey III, Sergey E. Koposov, Ian U. Roederer

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  7. 7
    Uranium Abundances and Ages of r-process Enhanced Stars with Novel U ii Lines

    Uranium Abundances and Ages of r-process Enhanced Stars with Novel U ii Lines oleh Shivani P. Shah, Rana Ezzeddine, Alexander P. Ji, Terese T. Hansen, Ian U. Roederer, Márcio Catelan, Zoe Hackshaw, Erika M. Holmbeck, Timothy C. Beers, Rebecca Surman

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  8. 8
    The R-Process Alliance: Chemodynamically Tagged Groups. II. An Extended Sample of Halo r-process-enhanced Stars

    The R-Process Alliance: Chemodynamically Tagged Groups. II. An Extended Sample of Halo r-process-enhanced Stars oleh Derek Shank, Timothy C. Beers, Vinicius M. Placco, Dmitrii Gudin, Thomas Catapano, Erika M. Holmbeck, Rana Ezzeddine, Ian U. Roederer, Charli M. Sakari, Anna Frebel, Terese T. Hansen

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  9. 9
    Abundances of Neutron-capture Elements in 62 Stars in the Globular Cluster Messier 15

    Abundances of Neutron-capture Elements in 62 Stars in the Globular Cluster Messier 15 oleh Jonathan Cabrera Garcia, Charli M. Sakari, Ian U. Roederer, Donavon W. Evans, Pedro Silva, Mario Mateo, Ying-Yi Song, Anthony Kremin, John I. Bailey III, Matthew G. Walker

    Diterbitkan 2024-01-01
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  10. 10
    Metal Mixing in the r-process Enhanced Ultrafaint Dwarf Galaxy Reticulum II

    Metal Mixing in the r-process Enhanced Ultrafaint Dwarf Galaxy Reticulum II oleh Alexander P. Ji, Joshua D. Simon, Ian U. Roederer, Ekaterina Magg, Anna Frebel, Christian I. Johnson, Ralf S. Klessen, Mattis Magg, Gabriele Cescutti, Mario Mateo, Maria Bergemann, John I. Bailey III

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  11. 11
    Discovery of a Metal-poor Red Giant Star with the Highest Ultralithium Enhancement

    Discovery of a Metal-poor Red Giant Star with the Highest Ultralithium Enhancement oleh Jeremy Kowkabany, Rana Ezzeddine, Corinne Charbonnel, Ian U. Roederer, Ella Xi Wang, Yangyang Li, Zoe Hackshaw, Timothy C. Beers, Anna Frebel, Terese T. Hansen, Erika Holmbeck, Vinicius M. Placco, Charli M. Sakari

    Diterbitkan 2024-01-01
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  12. 12
    The R-process Alliance: Fifth Data Release from the Search for R-process-enhanced Metal-poor Stars in the Galactic Halo with the GTC

    The R-process Alliance: Fifth Data Release from the Search for R-process-enhanced Metal-poor Stars in the Galactic Halo with the GTC oleh Avrajit Bandyopadhyay, Rana Ezzeddine, Carlos Allende Prieto, Nima Aria, Shivani P. Shah, Timothy C. Beers, Anna Frebel, Terese T. Hansen, Erika M. Holmbeck, Vinicius M. Placco, Ian U. Roederer, Charli M. Sakari

    Diterbitkan 2024-01-01
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  13. 13
    SPLUS J142445.34–254247.1: An r-process–enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST

    SPLUS J142445.34–254247.1: An r-process–enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST oleh Vinicius M. Placco, Felipe Almeida-Fernandes, Erika M. Holmbeck, Ian U. Roederer, Mohammad K. Mardini, Christian R. Hayes, Kim Venn, Kristin Chiboucas, Emily Deibert, Roberto Gamen, Jeong-Eun Heo, Miji Jeong, Venu Kalari, Eder Martioli, Siyi Xu, Ruben Diaz, Manuel Gomez-Jimenez, David Henderson, Pablo Prado, Carlos Quiroz, Roque Ruiz-Carmona, Chris Simpson, Cristian Urrutia, Alan W. McConnachie, John Pazder, Gregory Burley, Michael Ireland, Fletcher Waller, Trystyn A. M. Berg, J. Gordon Robertson, Zachary Hartman, David O. Jones, Kathleen Labrie, Gabriel Perez, Susan Ridgway, Joanna Thomas-Osip

    Diterbitkan 2023-01-01
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