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Results 1 - 61 of 61

Chemical Abundances in the Leiptr Stellar Stream: A Disrupted Ultra-faint Dwarf Galaxy?
- Volume 19, Issue 43 - article #3
- Kaia R. Atzberger, Sam A. Usman, Alexander P. Ji, Lara R. Cullinane, Denis Erkal, Terese T. Hansen, Geraint F. Lewis, Ting S. Li, Guilherme Limberg, Alice Luna, Sarah L. Martell, Madeleine McKenzie, Andrew B. Pace, Daniel B. Zucker
- https://arxiv.org/abs/2410.17312
Eridanus III and DELVE 1: Carbon-rich Primordial Star Clusters or the Smallest Dwarf Galaxies?
- Volume 19, Issue 42 - article #4
- Joshua D. Simon, Ting S. Li, Alexander P. Ji, Andrew B. Pace, Terese T. Hansen, William Cerny, Ivanna Escala, Sergey E. Koposov, Alex Drlica-Wagner, Sidney Mau, Evan N. Kirby
- https://arxiv.org/abs/2410.08276
The $R$-process Alliance: Enrichment of $R$-process Elements in a Simulated Milky Way-like Galaxy
- Volume 19, Issue 42 - article #9
- Yutaka Hirai, Timothy C. Beers, Young Sun Lee, Shinya Wanajo, Ian U. Roederer, Masaomi Tanaka, Masashi Chiba, Takayuki R. Saitoh, Vinicius M. Placco, Terese T. Hansen, Rana Ezzeddine, Anna Frebel, Erika M. Holmbeck, Charli M. Sakari
- https://arxiv.org/abs/2410.11943
Discovery of a Metal-poor Red Giant Star with the Highest Ultralithium Enhancement
- Volume 19, Issue 40 - article #9
- Jeremy Kowkabany, Rana Ezzeddine, Corinne Charbonnel, Ian U. Roederer, Ella Xi Wang, Yangyang Li, Zoe Hackshaw, Timothy C. Beers, Anna Frebel, Terese T. Hansen
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad6004
The R-process Alliance: Fifth Data Release from the Search for R-process-enhanced Metal-poor Stars in the Galactic Halo with the GTC
- Volume 19, Issue 40 - article #11
- 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
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/ad6f0f
Discovery of a Metal-Poor Red Giant Star with the Highest Ultra-Lithium Enhancement
- Volume 19, Issue 33 - article #1
- 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
- https://arxiv.org/abs/2209.02184
The R-Process Alliance: 2MASS J22132050–5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45
- Volume 19, Issue 33 - article #7
- Ian U. Roederer, Timothy C. Beers, Kohei Hattori, Vinicius M. Placco, Terese T. Hansen, Rana Ezzeddine, Anna Frebel, Erika M. Holmbeck, Charli M. Sakari
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad57bf
The $R$-Process Alliance: Fifth Data Release from the Search for $R$-Process-Enhanced Metal-poor Stars in the Galactic Halo with the GTC
- Volume 19, Issue 32 - article #8
- 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
- https://arxiv.org/abs/2408.03731
The R-Process Alliance: 2MASS J22132050-5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45
- Volume 19, Issue 23 - article #4
- Ian U. Roederer, Timothy C. Beers, Kohei Hattori, Vinicius M. Placco, Terese T. Hansen, Rana Ezzeddine, Anna Frebel, Erika M. Holmbeck, Charli M. Sakari
- https://arxiv.org/abs/2406.02691
The $R$-Process Alliance: Detailed Composition of an $R$-Process Enhanced Star with UV and Optical Spectroscopy. (arXiv:2401.12311v1 [astro-ph.SR])
- Volume 19, Issue 4 - article #9
- Shivani P. Shah, Rana Ezzeddine, Ian U. Roederer, Terese T. Hansen, Vinicius M. Placco, Timothy C. Beers, Anna Frebel, Alexander P. Ji, Erika Holmbeck, Jennifer Marshall, Charli M. Sakari
- http://arxiv.org/abs/2401.12311
Multiple Populations and a CH Star Found in the 300S Globular Cluster Stellar Stream. (arXiv:2401.02476v1 [astro-ph.GA])
- Volume 19, Issue 2 - article #2
- Sam A. Usman, Alexander P. Ji, Ting S. Li, Andrew B. Pace, Lara R. Cullinane, Gary S. Da Costa, Sergey E. Koposov, Geraint F. Lewis, Daniel B. Zucker, Vasily Belokurov, Joss Bland-Hawthorn, Peter S. Ferguson, Terese T. Hansen, Guilherme Limberg, Sarah L. Martell, Madeleine McKenzie, Joshua D. Simon
- http://arxiv.org/abs/2401.02476
Uranium Abundances and Ages of r-process Enhanced Stars with Novel U ii Lines
- Volume 18, Issue 20 - article #15
- Shivani P. Shah, Rana Ezzeddine, Alexander P. Ji, Terese T. Hansen, Ian U. Roederer, MÃ¡rcio Catelan, Zoe Hackshaw, Erika M. Holmbeck, Timothy C. Beers, Rebecca Surman
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acb8af
Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II. (arXiv:2212.00810v1 [astro-ph.GA])
- Volume 17, Issue 48 - article #6
- Joshua D. Simon, Thomas M. Brown, Burçin Mutlu-Pakdil, Alexander P. Ji, Alex Drlica-Wagner, Roberto J. Avila, Clara E. Martínez-Vázquez, Ting S. Li, Eduardo Balbinot, Keith Bechtol, Anna Frebel, Marla Geha, Terese T. Hansen, David J. James, Andrew B. Pace, M. Aguena, O. Alves, F. Andrade-Oliveira, J. Annis, D. Bacon, E. Bertin, D. Brooks, D. L. Burke, A. Carnero Rosell, M. Carrasco Kind, J. Carretero, M. Costanzi, L. N. da Costa, J. De Vicente, S. Desai, P. Doel, S. Everett, I. Ferrero, J. Frieman, J. García-Bellido, M. Gatti, D. W. Gerdes, D. Gruen, R. A. Gruendl, J. Gschwend, G. Gutierrez, S. R. Hinton, D. L. Hollowood, K. Honscheid, K. Kuehn, N. Kuropatkin, J. L. Marshall, J. Mena-Fernández, R. Miquel, A. Palmese, F. Paz-Chinchón, M. E. S. Pereira, A. Pieres, et al. (15 additional authors not shown)
- http://arxiv.org/abs/2212.00810
The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks. (arXiv:2210.15105v1 [astro-ph.SR])
- Volume 17, Issue 42 - article #2
- Ian U. Roederer, John J. Cowan, Marco Pignatari, Timothy C. Beers, Elizabeth A. Den Hartog, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Erika M. Holmbeck, Matthew R. Mumpower, Vinicius M. Placco, Charli M. Sakari, Rebecca Surman, Nicole Vassh
- http://arxiv.org/abs/2210.15105
Discovery of an Ultra Lithium-rich Metal-Poor Red Giant star. (arXiv:2209.02184v1 [astro-ph.SR])
- Volume 17, Issue 35 - article #2
- Jeremy Kowkabany, Rana Ezzeddine, Corinne Charbonnel, Ian U. Roederer, Yangyang Li, Zoe Hackshaw, Timothy C. Beers, Anna Frebel, Terese T. Hansen, Erika Holmbeck, Vinicius M. Placco, Charli M. Sakari
- http://arxiv.org/abs/2209.02184
The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks
- Volume 17, Issue 34 - article #7
- Ian U. Roederer, John J. Cowan, Marco Pignatari, Timothy C. Beers, Elizabeth A. Den Hartog, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Erika M. Holmbeck, Matthew R. Mumpower
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac85bc
The emph{R}-Process Alliance: Chemo-Dynamically Tagged Groups II. An Extended Sample of Halo $r$-Process-Enhanced Stars. (arXiv:2208.09712v1 [astro-ph.GA])
- Volume 17, Issue 33 - article #5
- 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
- http://arxiv.org/abs/2208.09712
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
- Volume 17, Issue 24 - article #20
- Ian U. Roederer, James E. Lawler, Elizabeth A. Den Hartog, Vinicius M. Placco, Rebecca Surman, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Kohei Hattori
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/ac5cbc
Signature of a Massive Rotating Metal-poor Star Imprinted in the Phoenix Stellar Stream
- Volume 16, Issue 45 - article #14
- Andrew R. Casey, Alexander P. Ji, Terese T. Hansen, Ting S. Li, Sergey E. Koposov, Gary S. Da Costa, Joss Bland-Hawthorn, Lara Cullinane, Denis Erkal, Geraint F. Lewis, Kyler Kuehn, Dougal Mackey, Sarah L. Martell, Andrew B. Pace, Jeffrey D. Simpson,, Daniel B. Zucker
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/921/1/67
Kinematics of Antlia 2 and Crater 2 from the Southern Stellar Stream Spectroscopic Survey ( S 5 )
- Volume 16, Issue 44 - article #6
- Alexander P. Ji, Sergey E. Koposov, Ting S. Li, Denis Erkal, Andrew B. Pace, Joshua D. Simon, Vasily Belokurov, Lara R. Cullinane, Gary S. Da Costa, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Nora Shipp, Jeffrey D. Simpson, Daniel B. Zucker, Terese T. Hansen, Joss Bland-Hawthorn (S5 Collaboration)
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/921/1/32
Signature of a massive rotating metal-poor star imprinted in the Phoenix stellar stream. (arXiv:2109.03948v1 [astro-ph.GA])
- Volume 16, Issue 37 - article #5
- Andrew R. Casey, Alexander P. Ji, Terese T. Hansen, Ting S. Li, Sergey E. Koposov, Gary S. Da Costa, Joss Bland-Hawthorn, Lara Cullinane, Denis Erkal, Geraint F. Lewis, Kyler Kuehn, Dougal Mackey, Sarah L. Martell, Andrew B. Pace, Jeffrey D. Simpson, Daniel B. Zucker
- http://arxiv.org/abs/2109.03948
S 5 : The Destruction of a Bright Dwarf Galaxy as Revealed by the Chemistry of the Indus Stellar Stream
- Volume 16, Issue 29 - article #10
- Terese T. Hansen, Alexander P. Ji, Gary S. Da Costa, Ting S. Li, Andrew R. Casey, Andrew B. Pace, Lara R. Cullinane, Denis Erkal, Sergey E. Koposov, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Jeffrey D. Simpson, Nora Shipp, Daniel B. Zucker, Joss Bland-Hawthorn ( S 5 Collaboration)
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/915/2/103
Kinematics of Antlia 2 and Crater 2 from The Southern Stellar Stream Spectroscopic Survey (S5). (arXiv:2106.12656v1 [astro-ph.GA])
- Volume 16, Issue 26 - article #1
- Alexander P. Ji, Sergey E. Koposov, Ting S. Li, Denis Erkal, Andrew B. Pace, Joshua D. Simon, Vasily Belokurov, Lara R. Cullinane, Gary S. Da Costa, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Nora Shipp, Jeffrey D. Simpson, Daniel B. Zucker, Terese T. Hansen, Joss Bland-Hawthorn, S5 Collaboration
- http://arxiv.org/abs/2106.12656
The R-Process Alliance: Chemo-Dynamically Tagged Groups of Halo $r$-Process-Enhanced Stars Reveal a Shared Chemical-Evolution History. (arXiv:2012.13808v1 [astro-ph.GA])
- Volume 16, Issue 1 - article #3
- Dmitrii Gudin, Derek Shank, Timothy C. Beers, Zhen Yuan, Guilherme Limberg, Ian U. Roederer, Vinicius Placco, Erika M. Holmbeck, Sarah Dietz, Kaitlin C. Rasmussen, Terese T. Hansen, Charli M. Sakari, Rana Ezzeddine, Anna Frebel
- http://arxiv.org/abs/2012.13808
Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars
- Volume 15, Issue 42 - article #8
- Ian U. Roederer, James E. Lawler, Erika M. Holmbeck, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Inese I. Ivans, Amanda I. Karakas, Vinicius M. Placco,, Charli M. Sakari
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/902/1/L24
Detection of Pb II in the Ultraviolet Spectra of Three Metal-Poor Stars. (arXiv:2009.14251v1 [astro-ph.SR])
- Volume 15, Issue 40 - article #3
- Ian U. Roederer, James E. Lawler, Erika M. Holmbeck, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Inese I. Ivans, Amanda I. Karakas, Vinicius M. Placco, Charli M. Sakari
- http://arxiv.org/abs/2009.14251
The Southern Stellar Stream Spectroscopic Survey ( S 5 ): Chemical Abundances of Seven Stellar Streams
- Volume 15, Issue 39 - article #15
- Alexander P. Ji, Ting S. Li, Terese T. Hansen, Andrew R. Casey, Sergey E. Koposov, Andrew B. Pace, Dougal Mackey, Geraint F. Lewis, Jeffrey D. Simpson, Joss Bland-Hawthorn, Lara R. Cullinane, Gary. S. Da Costa, Kohei Hattori, Sarah L. Martell, Kyler Kuehn, Denis Erkal, Nora Shipp, Zhen Wan,, Daniel B. Zucker
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/160/4/181
The Southern Stellar Stream Spectroscopic Survey (S5): Chemical Abundances of Seven Stellar Streams. (arXiv:2008.07568v1 [astro-ph.SR])
- Volume 15, Issue 34 - article #6
- Alexander P. Ji, Ting S. Li, Terese T. Hansen, Andrew R. Casey, Sergey E. Koposov, Andrew B. Pace, Dougal Mackey, Geraint F. Lewis, Jeffrey D. Simpson, Joss Bland-Hawthorn, Lara R. Cullinane, Gary. S. Da Costa, Kohei Hattori, Sarah L. Martell, Kyler Kuehn, Denis Erkal, Nora Shipp, Zhen Wan, Daniel B. Zucker
- http://arxiv.org/abs/2008.07568
The R -Process Alliance: First Magellan/MIKE Release from the Southern Search for R -process-enhanced Stars
- Volume 15, Issue 32 - article #12
- Rana Ezzeddine, Kaitlin Rasmussen, Anna Frebel, Anirudh Chiti, Karina Hinojisa, Vinicius M. Placco, Alexander P. Ji, Timothy C. Beers, Terese T. Hansen, Ian U. Roederer, Charli M. Sakari,, Jorge Melendez
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/898/2/150
The R -Process Alliance: Fourth Data Release from the Search for R -process-enhanced Stars in the Galactic Halo
- Volume 15, Issue 32 - article #15
- Erika M. Holmbeck, Terese T. Hansen, Timothy C. Beers, Vinicius M. Placco, Devin D. Whitten, Kaitlin C. Rasmussen, Ian U. Roederer, Rana Ezzeddine, Charli M. Sakari, Anna Frebel, Maria R. Drout, Joshua D. Simon, Ian B. Thompson, Joss Bland-Hawthorn, Brad K. Gibson, Eva K. Grebel, Georges Kordopatis, Andrea Kunder, Jorge MelÃ©ndez, Julio F. Navarro, Warren A. Reid, George Seabroke, Matthias Steinmetz, Fred Watson,, Rosemary F. Ä . Wyse
- The Astrophysical Journal Supplement Series
- http://iopscience.iop.org/0067-0049/249/2/30
The R -Process Alliance: A Very Metal-poor, Extremely r -process-enhanced Star with [Eu/Fe] = + 2.2, and the Class of r- III Stars
- Volume 15, Issue 30 - article #11
- Madelyn Cain, Anna Frebel, Alexander P. Ji, Vinicius M. Placco, Rana Ezzeddine, Ian U. Roederer, Kohei Hattori, Timothy C. Beers, Jorge MelÃ©ndez, Terese T. Hansen,, Charli M. Sakari
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/898/1/40
The R -process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5−455510
- Volume 15, Issue 28 - article #17
- Vinicius M. Placco, Rafael M. Santucci, Zhen Yuan, Mohammad K. Mardini, Erika M. Holmbeck, Xilu Wang, Rebecca Surman, Terese T. Hansen, Ian U. Roederer, Timothy C. Beers, Arthur Choplin, Alexander P. Ji, Rana Ezzeddine, Anna Frebel, Charli M. Sakari, Devin D. Whitten,, Joseph Zepeda
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/897/1/78
The $R$-Process Alliance: Fourth Data Release from the Search for $r$-Process-Enhanced Stars in the Galactic Halo. (arXiv:2007.00749v1 [astro-ph.SR])
- Volume 15, Issue 27 - article #4
- Erika M. Holmbeck, Terese T. Hansen, Timothy C. Beers, Vinicius M. Placco, Devin D. Whitten, Kaitlin C. Rasmussen, Ian U. Roederer, Rana Ezzeddine, Charli M. Sakari, Anna Frebel, Maria R. Drout, Joshua D. Simon, Ian B. Thompson, Joss Bland-Hawthorn, Brad K. Gibson, Eva K. Grebel, Georges Kordopatis, Andrea Kunder, Jorge Melendez, Julio F. Navarro, Warren A.Reid, George Seabroke, Matthias Steinmetz, Fred Watson, Rosemary F.G. Wyse
- http://arxiv.org/abs/2007.00749
The R-process Alliance: First Magellan/MIKE Release from the Southern Search for R-Process-enhanced Stars. (arXiv:2006.07731v1 [astro-ph.SR])
- Volume 15, Issue 25 - article #14
- Rana Ezzeddine, Kaitlin Rasmussen, Anna Frebel, Anirudh Chiti, Karina Hinojisa, Vinicius M. Placco, Ian U. Roederer, Alexander P. Ji, Timothy C. Beers, Terese T. Hansen, Charli M. Sakari, Jorge Melendez
- http://arxiv.org/abs/2006.07731
The R-Process Alliance: J1521-3538, a very metal-poor, extremely r-process-enhanced star with [Eu/Fe]=+2.2, and the class of r-III stars. (arXiv:2006.08080v1 [astro-ph.SR])
- Volume 15, Issue 25 - article #15
- Madelyn Cain (MIT, JINA), Anna Frebel (MIT, JINA), Alexander P. Ji (Carnegie), Vinicius M. Placco (Notre Dame, JINA), Rana Ezzeddine (MIT, JINA), Ian U. Roederer (U Michigan), Kohei Hattori (U Michigan, Carnegie Mellon), Timothy C. Beers (Notre Dame, JINA), Jorge Mélendez (Sao Paulo), Terese T. Hansen (Carnegie), Charli M. Sakari (San Francisco State U, JINA)
- http://arxiv.org/abs/2006.08080
The R-Process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5-455510
- Volume 15, Issue 24 - article #17
- Vinicius M. Placco, Rafael M. Santucci, Zhen Yuan, Mohammad K. Mardini, Erika M. Holmbeck, Xilu Wang, Rebecca Surman, Terese T. Hansen, Ian U. Roederer, Timothy C. Beers, Arthur Choplin, Alexander P. Ji, Rana Ezzeddine, Anna Frebel, Charli M. Sakari, Devin D. Whitten, Joseph Zepeda
- http://arxiv.org/abs/2006.04538
The Lanthanide Fraction Distribution in Metal-poor Stars: A Test of Neutron Star Mergers as the Dominant r -process Site
- Volume 14, Issue 35 - article #6
- Alexander P. Ji, Maria R. Drout,, Terese T. Hansen
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/882/1/40
The lanthanide fraction distribution in metal-poor stars: a test of neutron star mergers as the dominant r-process site. (arXiv:1905.01814v2 [astro-ph.HE] UPDATED)
- Volume 14, Issue 29 - article #11
- Alexander P. Ji (Carnegie), Maria R. Drout (Toronto), Terese T. Hansen (Texas A&M)
- http://arxiv.org/abs/1905.01814
Chemical Abundance Signature of J0023+0307: A Second-generation Main-sequence Star with [Fe/H] < −6
- Volume 14, Issue 5 - article #3
- Anna Frebel, Alexander P. Ji, Rana Ezzeddine, Terese T. Hansen, Anirudh Chiti, Ian B. Thompson,, Thibault Merle
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/871/2/146
Abundances and kinematics of carbon-enhanced metal-poor stars in the Galactic halo*; A new classification scheme based on Sr and Ba. (arXiv:1901.05968v1 [astro-ph.SR])
- Volume 14, Issue 4 - article #1
- Camilla J. Hansen, Terese T. Hansen, Andreas Koch, Tim C. Beers, Birgitta Nordström, Vinicius M. Placco, Johannes Andersen
- http://arxiv.org/abs/1901.05968
The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey
- Volume 14, Issue 3 - article #15
- Vinicius M. Placco, Rafael M. Santucci, Timothy C. Beers, Julio ChanamÃ©, MarÃa Paz SepÃºlveda, Johanna Coronado, Silvia Rossi, Young Sun Lee, Else Starkenburg, Kris Youakim, Manuel Barrientos, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Erika M. Holmbeck, Alexander P. Ji, Kaitlin C. Rasmussen, Ian U. Roederer, Charli M. Sakari,, Devin D. Whitten
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/870/2/122
Chemical Abundances in the Ultra-faint Dwarf Galaxies Grus I and Triangulum II: Neutron-capture Elements as a Defining Feature of the Faintest Dwarfs
- Volume 14, Issue 2 - article #4
- Alexander P. Ji, Joshua D. Simon, Anna Frebel, Kim A. Venn,, Terese T. Hansen
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/870/2/83
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
- Volume 13, Issue 40 - article #13
- Ian U. Roederer, Charli M. Sakari, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel,, Terese T. Hansen
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/865/2/129
Chemical Abundances in the Ultra-Faint Dwarf Galaxies Grus I and Triangulum II: Neutron-Capture Elements as a Defining Feature of the Faintest Dwarfs. (arXiv:1809.02182v1 [astro-ph.GA])
- Volume 13, Issue 37 - article #1
- Alexander P. Ji, Joshua D. Simon, Anna Frebel, Kim A. Venn, Terese T. Hansen
- http://arxiv.org/abs/1809.02182
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. (arXiv:1808.09469v1 [astro-ph.SR])
- Volume 13, Issue 35 - article #9
- Ian U. Roederer (U. Michigan, JINA-CEE), Charli M. Sakari (U. Washington), Vinicius M. Placco (U. Notre Dame, JINA-CEE), Timothy C. Beers (U. Notre Dame, JINA-CEE), Rana Ezzeddine (MIT, JINA-CEE), Anna Frebel (MIT, JINA-CEE), Terese T. Hansen (Carnegie Observatories)
- http://arxiv.org/abs/1808.09469
The R -Process Alliance: Chemical Abundances for a Trio of r -process-enhanced Stars—One Strong, One Moderate, and One Mild
- Volume 13, Issue 35 - article #15
- Madelyn Cain, Anna Frebel, Maude Gull, Alexander P. Ji, Vinicius M. Placco, Timothy C. Beers, Jorge MelÃ©ndez, Rana Ezzeddine, Andrew R. Casey, Terese T. Hansen, Ian U. Roederer,, Charli Sakari
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/864/1/43
The R -Process Alliance: Discovery of the First Metal-poor Star with a Combined r - and s -process Element Signature
- Volume 13, Issue 32 - article #13
- Maude Gull, Anna Frebel, Madelyn G. Cain, Vinicius M. Placco, Alexander P. Ji, Carlo Abate, Rana Ezzeddine, Amanda I. Karakas, Terese T. Hansen, Charli Sakari, Erika M. Holmbeck, Rafael M. Santucci, Andrew R. Casey,, Timothy C. Beers
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/862/2/174
The R-Process Alliance: Chemical Abundances for a Trio of R-Process-Enhanced Stars -- One Strong, One Moderate, One Mild. (arXiv:1807.03734v1 [astro-ph.SR])
- Volume 13, Issue 28 - article #13
- Madelyn Cain (MIT), Anna Frebel (MIT), Maude Gull (MIT), Alexander P. Ji (Carngie), Vinicius M. Placco (Notre Dame), Timothy C. Beers (Notre Dame), Jorge Melendez (Sao Paulo), Rana Ezzeddine (MIT, JINA), Andrew R. Casey (Monash), Terese T. Hansen (Carnegie), Ian U. Roederer (U Michigan), Charli Sakari (U Washington)
- http://arxiv.org/abs/1807.03734
The R-Process Alliance: Discovery of the first metal-poor star with a combined r- and s-process element signature. (arXiv:1806.00645v1 [astro-ph.SR])
- Volume 13, Issue 23 - article #5
- Maude Gull (MIT), Anna Frebel (MIT, JINA), Madelyn G. Cain (MIT), Vinicius M. Placco (Notre Dame, JINA), Alexander P. Ji (carnegie), Carlo Abate (Bonn), Rana Ezzeddine (JINA, MIT) Amanda I. Karakas (Monash), Terese T. Hansen (Carnegie), Charli Sakari (UW), Erika M. Holmbeck (Notre Dame, JINA), Rafael M. Santucci (UGoias), Andrew R. Casey (Monash), Timothy C. Beers (Notre Dame, JINA)
- http://arxiv.org/abs/1806.00645
The R -Process Alliance: 2MASS J09544277+5246414, the Most Actinide-enhanced R -II Star Known
- Volume 13, Issue 23 - article #7
- Erika M. Holmbeck, Timothy C. Beers, Ian U. Roederer, Vinicius M. Placco, Terese T. Hansen, Charli M. Sakari, Christopher Sneden, Chao Liu, Young Sun Lee, John J. Cowan,, Anna Frebel
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/859/2/L24
The R-Process Alliance: 2MASS J09544277+5246414, the Most Actinide-Enhanced R-II Star Known. (arXiv:1805.11925v1 [astro-ph.SR])
- Volume 13, Issue 22 - article #7
- Erika M. Holmbeck, Timothy C. Beers, Ian U. Roederer, Vinicius M. Placco, Terese T. Hansen, Charli M. Sakari, Christopher Sneden, Chao Liu, Young Sun Lee, John J. Cowan, Anna Frebel
- http://arxiv.org/abs/1805.11925
Spectroscopic Validation of Low-metallicity Stars from RAVE
- Volume 13, Issue 22 - article #9
- Vinicius M. Placco, Timothy C. Beers, Rafael M. Santucci, Julio ChanamÃ©, MarÃa Paz SepÃºlveda, Johanna Coronado, Sean D. Points, Catherine C. Kaleida, Silvia Rossi, Georges Kordopatis, Young Sun Lee, Gal MatijeviÄ, Anna Frebel, Terese T. Hansen, Erika M. Holmbeck, Kaitlin C. Rasmussen, Ian U. Roederer, Charli M. Sakari,, Devin D. Whitten
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/155/6/256
The R -process Alliance: First Release from the Southern Search for R -process-enhanced Stars in the Galactic Halo
- Volume 13, Issue 19 - article #20
- Terese T. Hansen, Erika M. Holmbeck, Timothy C. Beers, Vinicius M. Placco, Ian U. Roederer, Anna Frebel, Charli M. Sakari, Joshua D. Simon,, Ian B. Thompson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/858/2/92
Spectroscopic Validation of Low-Metallicity Stars from RAVE. (arXiv:1805.00608v1 [astro-ph.SR])
- Volume 13, Issue 18 - article #16
- Vinicius M. Placco, Timothy C. Beers, Rafael M. Santucci, Julio Chaname, Maria Paz Sepulveda, Johanna Coronado, Sean D. Points, Catherine C. Kaleida, Silvia Rossi, Georges Kordopatis, Young Sun Lee, Gal Matijevic, Anna Frebel, Terese T. Hansen, Erika M. Holmbeck, Kaitlin C. Rasmussen, Ian U. Roederer, Charli M. Sakari, Devin D. Whitten
- http://arxiv.org/abs/1805.00608
The $R$-Process Alliance: First Release from the Southern Search for $r$-Process-Enhanced Stars in the Galactic Halo. (arXiv:1804.03114v1 [astro-ph.SR])
- Volume 13, Issue 15 - article #13
- Terese T. Hansen, Erika M. Holmbeck, Timothy C. Beers, Vinicius M. Placco, Ian U. Roederer, Anna Frebel, Charli M. Sakari, Joshua D. Simon, Ian B. Thompson
- http://arxiv.org/abs/1804.03114
Detailed chemical abundance analysis of the thick disk star cluster Gaia 1⋆⋆⋆
- Volume 13, Issue 4 - article #19
- Andreas Koch, Terese T. Hansen, Andrea Kunder
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/BQ7Da1hfwpA/201731434
Detailed chemical abundance analysis of the thick disk star cluster Gaia 1. (arXiv:1709.04022v1 [astro-ph.GA])
- Volume 12, Issue 37 - article #3
- Andreas Koch, Terese T. Hansen, Andrea Kunder
- http://arxiv.org/abs/1709.04022
RAVE J203843.2–002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey
- Volume 12, Issue 29 - article #21
- Vinicius M. Placco, Erika M. Holmbeck, Anna Frebel, Timothy C. Beers, Rebecca A. Surman, Alexander P. Ji, Rana Ezzeddine, Sean D. Points, Catherine C. Kaleida, Terese T. Hansen, Charli M. Sakari,, Andrew R. Casey
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/844/1/18
RAVE J203843.2-002333: The first highly r-process-enhanced star identified in the RAVE survey. (arXiv:1706.02934v1 [astro-ph.SR])
- Volume 12, Issue 24 - article #10
- Vinicius M. Placco, Erika M. Holmbeck, Anna Frebel, Timothy C. Beers, Rebecca A. Surman, Alexander P. Ji, Rana Ezzeddine, Sean D. Points, Catherine C. Kaleida, Terese T. Hansen, Charli M. Sakari, Andrew R. Casey
- http://arxiv.org/abs/1706.02934
OBSERVATIONAL CONSTRAINTS ON FIRST-STAR NUCLEOSYNTHESIS. I. EVIDENCE FOR MULTIPLE PROGENITORS OF CEMP-NO STARS
- Volume 11, Issue 50 - article #18
- Jinmi Yoon, Timothy C. Beers, Vinicius M. Placco, Kaitlin C. Rasmussen, Daniela Carollo, Siyu He, Terese T. Hansen, Ian U. Roederer,, Jeff Zeanah
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/833/1/20
Observational Constraints on First-Star Nucleosynthesis. I. Evidence for Multiple Progenitors of CEMP-no Stars. (arXiv:1607.06336v1 [astro-ph.SR])
- Volume 11, Issue 30 - article #6
- Jinmi Yoon, Timothy C. Beers, Vinicius M. Placco, Kaitlin C. Rasmussen, Daniela Carollo, Siyu He, Terese T. Hansen, Ian U. Roederer
- http://arxiv.org/abs/1607.06336

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