Search - Virtual Journal of Nuclear Astrophysics

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Results 1 - 32 of 32

The $R$-process Alliance: Enrichment of $R$-process Elements in a Simulated Milky Way-like Galaxy
- Virtual Journal - Volume 22, Issue 42 - article #6
- 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
The R-process Alliance: Fifth Data Release from the Search for R-process-enhanced Metal-poor Stars in the Galactic Halo with the GTC
- Virtual Journal - Volume 22, Issue 40 - article #21
- 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
The R-Process Alliance: 2MASS J22132050–5137385, the Star with the Highest-known r-process Enhancement at [Eu/Fe] = +2.45
- Virtual Journal - Volume 22, Issue 33 - article #27
- 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
- Virtual Journal - Volume 22, Issue 32 - article #7
- 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
- Virtual Journal - Volume 22, Issue 23 - article #15
- 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
Spectacular nucleosynthesis from early massive stars. (arXiv:2401.02484v1 [astro-ph.SR])
- Virtual Journal - Volume 22, Issue 2 - article #9
- Alexander P. Ji, Sanjana Curtis, Nicholas Storm, Vedant Chandra, Kevin C. Schlaufman, Keivan G. Stassun, Alexander Heger, Marco Pignatari, Adrian M. Price-Whelan, Maria Bergemann, Guy S. Stringfellow, Carla Frohlich, Henrique Reggiani, Erika M. Holmbeck, Jamie Tayar, Shivani P. Shah, Emily J. Griffith, Chervin F. P. Laporte, Andrew R. Casey, Keith Hawkins, Danny Horta, William Cerny, Pierre Thibodeaux, Sam A. Usman, Joao A. S. Amarante, Rachael L. Beaton, Phillip A. Cargile, Cristina Chiappini, Charlie Conroy, Jennifer A. Johnson, Juna A. Kollmeier, Haining Li, Sarah Loebman, Georges Meynet, Dmitry Bizyaev, Joel R. Brownstein, Pramod Gupta, Sean Morrison, Kaike Pan, Solange V. Ramirez, Hans-Walter Rix, Jose Sanchez-Gallego
- http://arxiv.org/abs/2401.02484
Element abundance patterns in stars indicate fission of nuclei heavier than uranium. (arXiv:2312.06844v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 48 - article #9
- Ian U. Roederer, Nicole Vassh, Erika M. Holmbeck, Matthew R. Mumpower, Rebecca Surman, John J. Cowan, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese T. Hansen, Vinicius M. Placco, Charli M. Sakari
- http://arxiv.org/abs/2312.06844
SPLUS J142445.34–254247.1: An r-process–enhanced, Actinide-boost, Extremely Metal-poor Star Observed with GHOST
- Virtual Journal - Volume 21, Issue 47 - article #48
- 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
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad077e
Constraining Inputs to Realistic Kilonova Simulations through Comparison to Observed r-process Abundances
- Virtual Journal - Volume 21, Issue 39 - article #15
- Marko RistiÄ, Erika M. Holmbeck, Ryan T. Wollaeger, Oleg Korobkin, Elizabeth Champion, Richard O'Shaughnessy, Chris L. Fryer, Christopher J. Fontes, Matthew R. Mumpower, Trevor M. Sprouse
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acf3e0
HD 222925: A New Opportunity to Explore the Astrophysical and Nuclear Conditions of r-process Sites
- Virtual Journal - Volume 21, Issue 26 - article #15
- Erika M. Holmbeck, Rebecca Surman, Ian U. Roederer, G. C. McLaughlin, Anna Frebel
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acccf3
Uranium Abundances and Ages of r-process Enhanced Stars with Novel U ii Lines
- Virtual Journal - Volume 21, Issue 20 - article #39
- 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
Superheavy Elements in Kilonovae. (arXiv:2304.02125v1 [astro-ph.HE])
- Virtual Journal - Volume 21, Issue 14 - article #8
- Erika M. Holmbeck, Jennifer Barnes, Kelsey A. Lund, Trevor M. Sprouse, G. C. McLaughlin, Matthew R. Mumpower
- http://arxiv.org/abs/2304.02125
Uranium Abundances and Ages of $R$-process Enhanced Stars with Novel U II Lines. (arXiv:2301.11945v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 5 - article #5
- Shivani P. Shah, Rana Ezzeddine, Alexander P. Ji, Terese Hansen, Ian U. Roederer, Márcio Catelan, Zoe Hackshaw, Erika M. Holmbeck, Timothy C. Beers, Rebecca Surman
- http://arxiv.org/abs/2301.11945
The R-Process Alliance: Chemodynamically Tagged Groups. II. An Extended Sample of Halo r-process-enhanced Stars
- Virtual Journal - Volume 21, Issue 4 - article #21
- 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
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/aca322
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])
- Virtual Journal - Volume 20, Issue 42 - article #14
- 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
HD 222925: a New Opportunity to Explore the Astrophysical and Nuclear Conditions of r-process Sites. (arXiv:2210.10122v1 [astro-ph.SR])
- Virtual Journal - Volume 20, Issue 41 - article #4
- Erika M. Holmbeck, Rebecca Surman, Ian U. Roederer, G. C. McLaughlin, Anna Frebel
- http://arxiv.org/abs/2210.10122
The R-Process Alliance: Abundance Universality among Some Elements at and between the First and Second R-Process Peaks
- Virtual Journal - Volume 20, Issue 34 - article #16
- 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])
- Virtual Journal - Volume 20, Issue 33 - article #7
- 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
A Nuclear Equation of State Inferred from Stellar r-Process Abundances. (arXiv:2110.06432v1 [astro-ph.HE])
- Virtual Journal - Volume 19, Issue 42 - article #1
- Erika M. Holmbeck, Richard O'Shaughnessy, Vera Delfavero, Krzysztof Belczynski
- http://arxiv.org/abs/2110.06432
Reconstructing Masses of Merging Neutron Stars from Stellar $R$-Process Abundance Signatures. (arXiv:2010.01621v1 [astro-ph.HE])
- Virtual Journal - Volume 18, Issue 41 - article #7
- Erika M. Holmbeck, Anna Frebel, G. C. McLaughlin, Rebecca Surman, Rodrigo Fernandez, Brian D. Metzger, Matthew R. Mumpower, Trevor M. Sprouse
- http://arxiv.org/abs/2010.01621
The R -process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5−455510
- Virtual Journal - Volume 18, Issue 28 - article #19
- 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])
- Virtual Journal - Volume 18, 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
Actinide-rich and Actinide-poor r -process-enhanced Metal-poor Stars Do Not Require Separate r -process Progenitors
- Virtual Journal - Volume 17, Issue 32 - article #27
- Erika M. Holmbeck, Anna Frebel, G. C. McLaughlin, Matthew R. Mumpower, Trevor M. Sprouse,, Rebecca Surman
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/881/1/5
Actinide Production in the Neutron-rich Ejecta of a Neutron Star Merger
- Virtual Journal - Volume 17, Issue 1 - article #11
- Erika M. Holmbeck, Trevor M. Sprouse, Matthew R. Mumpower, Nicole Vassh, Rebecca Surman, Timothy C. Beers,, Toshihiko Kawano
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/870/1/23
The R-Process Alliance: First Release from the Northern Search for r-Process Enhanced Metal-Poor Stars in the Galactic Halo. (arXiv:1809.09156v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 39 - article #19
- Charli M. Sakari, Vinicius M. Placco, Elizabeth M. Farrell, Ian U. Roederer, George Wallerstein, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Erika M. Holmbeck, Christopher Sneden, Kim A. Venn, Christopher Evan Davis, Gal Matijevic, Rosemary F.G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz, Fred Watson
- http://arxiv.org/abs/1809.09156
FRIB and the GW170817 Kilonova. (arXiv:1809.00703v1 [astro-ph.HE])
- Virtual Journal - Volume 16, Issue 36 - article #6
- A. Aprahamian, R. Surman, A. Frebel, G.C. McLaughlin, A. Arcones, A.B. Balantekin, J. Barnes, Timothy C. Beers, Erika M. Holmbeck, Jinmi Yoon, Maxime Brodeur, T.M. Sprouse, Nicole Vassh, Jolie A. Cizewski, Jason A. Clark, Benoit Cote, Sean M. Couch, M. Eichler, Jonathan Engel, Rana Ezzeddine, George M. Fuller, Samuel A. Giuliani, Robert Grzywacz, Sophia Han, C.J. Horowitz, Anu Kankainen, Oleg Korobkin, A.A. Kwiatkowski, J.E. Lawler, Jonas Lippuner, Elena Litvinova, G.J. Mathews, M.R. Mumpower, S. Naimi, W. Nazarewicz, Evan O'Connor, Brian W. O'Shea, Albino Perego, G. Perdikakis, David Radice, Sherwood Richers, Luke F. Roberts, Caroline Robin, Ian U. Roederer, Daniel M. Siegel, Nicolas Schunck, A. Spyrou, Yong-Lin Zhu
- http://arxiv.org/abs/1809.00703
The R -Process Alliance: Discovery of the First Metal-poor Star with a Combined r - and s -process Element Signature
- Virtual Journal - Volume 16, Issue 32 - article #37
- 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
Actinide Production in Neutron-Rich Ejecta of a Neutron Star Merger. (arXiv:1807.06662v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 29 - article #2
- Erika M. Holmbeck, Rebecca Surman, Trevor M. Sprouse, Matthew R. Mumpower, Nicole Vassh, Timothy C. Beers, Toshihiko Kawano
- http://arxiv.org/abs/1807.06662
The R -process Alliance: First Release from the Southern Search for R -process-enhanced Stars in the Galactic Halo
- Virtual Journal - Volume 16, Issue 19 - article #17
- 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
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])
- Virtual Journal - Volume 16, Issue 15 - article #12
- 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
The r -process Pattern of a Bright, Highly r -process-enhanced Metal-poor Halo Star at [Fe/H] ∼ −2
- Virtual Journal - Volume 16, Issue 7 - article #32
- Charli M. Sakari, Vinicius M. Placco, Terese Hansen, Erika M. Holmbeck, Timothy C. Beers, Anna Frebel, Ian U. Roederer, Kim A. Venn, George Wallerstein, Christopher Evan Davis, Elizabeth M. Farrell,, David Yong
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/854/2/L20
RAVE J203843.2–002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey
- Virtual Journal - Volume 15, Issue 29 - article #15
- 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

Results 1 - 32 of 32

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