Search - Virtual Journal of Nuclear Astrophysics

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SIRIUS: Identifying Metal-poor Stars Enriched by a Single Supernova in a Dwarf Galaxy Cosmological Zoom-in Simulation Resolving Individual Massive Stars
- Virtual Journal - Volume 23, Issue 8 - article #73
- Yutaka Hirai, Takayuki R. Saitoh, Michiko S. Fujii, Katsuhiro Kaneko, Timothy C. Beers
- The Astrophysical Journal Letters
- https://doi.org/10.3847/2041-8213/adaf95
SIRIUS: Identifying Metal-poor Stars Enriched by a Single Supernova in a Star-by-star Cosmological Zoom-in Simulation of a Dwarf Galaxy
- Virtual Journal - Volume 22, Issue 49 - article #9
- Yutaka Hirai, Takayuki R. Saitoh, Michiko S. Fujii, Katsuhiro Kaneko, Timothy C. Beers
- https://arxiv.org/abs/2411.18680
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
J-PLUS: Beyond Spectroscopy. III. Stellar Parameters and Elemental-abundance Ratios for Five Million Stars from DR3
- Virtual Journal - Volume 22, Issue 41 - article #30
- Yang Huang, Timothy C. Beers, Kai Xiao, Haibo Yuan, Young Sun Lee, Hongrui Gu, Jihye Hong, Jifeng Liu, Zhou Fan, Paula Coelho
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad6b94
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
Discovery of a Metal-Poor Red Giant Star with the Highest Ultra-Lithium Enhancement
- Virtual Journal - Volume 22, Issue 33 - article #5
- 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
- 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
Chemo-dynamical Evolution of Simulated Satellites for a Milky Way–like Galaxy
- Virtual Journal - Volume 22, Issue 31 - article #39
- Yutaka Hirai, Evan N. Kirby, Masashi Chiba, Kohei Hayashi, Borja Anguiano, Takayuki R. Saitoh, Miho N. Ishigaki, Timothy C. Beers
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad500c
Discovery of an Extremely r-process-enhanced Thin-disk Star with [Eu/H] = +0.78
- Virtual Journal - Volume 22, Issue 30 - article #33
- Xiao-Jin Xie, Jianrong Shi, Hong-Liang Yan, Tian-Yi Chen, Carlos Allende Prieto, Timothy C. Beers, Shuai Liu, Chun-Qian Li, Ming-Yi Ding, Yao-Jia Tang
- The Astrophysical Journal Letters
- https://doi.org/10.3847/2041-8213/ad5ffd
Discovery of an Extremely r-process-enhanced Thin-disk Star with [Eu/H] = +0.78
- Virtual Journal - Volume 22, Issue 29 - article #2
- Xiao-Jin Xie, Jianrong Shi, Hong-Liang Yan, Tian-Yi Chen, Carlos Allende Prieto, Timothy C. Beers, Shuai Liu, Chun-Qian Li, Ming-Yi Ding, Yao-Jia Tang, Ruizhi Zhang, Renjing Xie
- https://arxiv.org/abs/2407.11572
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
Stellar Loci. VII. Photometric Metallicities of 5 Million FGK Stars Based on GALEX GR6+7 AIS and Gaia EDR3
- Virtual Journal - Volume 22, Issue 9 - article #58
- Xue Lu, Haibo Yuan, Shuai Xu, Ruoyi Zhang, Kai Xiao, Yang Huang, Timothy C. Beers, Jihye Hong
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/ad1eea
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
CAPOS: The bulge Cluster APOgee Survey IV. Elemental Abundances of the bulge globular cluster NGC 6558. (arXiv:2310.13054v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 41 - article #4
- Danilo González-Díaz, José, G. Fernández-Trincado, Sandro Villanova, Doug Geisler, Beatriz Barbuy, Dante Minniti, Timothy C. Beers, Christian Moni Bidin, Francesco Mauro, Cesar Muñoz, Baitian Tang, Mario Soto, Antonela Monachesi, Richard R. Lane, Heinz Frelijj
- http://arxiv.org/abs/2310.13054
The chemical evolution of the solar neighbourhood for planet-hosting stars. (arXiv:2307.12330v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 30 - article #2
- Marco Pignatari, Thomas C. L. Trueman, Kate A. Womack, Brad K. Gibson, Benoit Côté, Diego Turrini, Christopher Sneden, Stephen J. Mojzsis, Richard J. Stancliffe, Paul Fong, Thomas V. Lawson, James D. Keegans, Kate Pilkington, Jean-Claude Passy, Timothy C. Beers, Maria Lugaro
- http://arxiv.org/abs/2307.12330
Decoding the compositions of four bright $r$-process-enhanced stars. (arXiv:2307.10762v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 29 - article #2
- Pallavi Saraf (IIA), Carlos Allende Prieto, Thirupathi Sivarani, Avrajit Bandyopadhyay, Timothy C. Beers, A. Susmitha
- http://arxiv.org/abs/2307.10762
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
Search for Extremely Metal-poor Stars with Gemini-N/Graces. I. Chemical-abundance Analysis
- Virtual Journal - Volume 21, Issue 18 - article #12
- Miji Jeong, Young Sun Lee, Timothy C. Beers, Vinicius M. Placco, Young Kwang Kim, Jae-Rim Koo, Ho-Gyu Lee, Soung-Chul Yang
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acc58a
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
Search for Extremely Metal-Poor Stars with GEMINI-N/GRACES I. Chemical-Abundance Analysis. (arXiv:2301.06236v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 3 - article #8
- Miji Jeong, Young Sun Lee, Timothy C. Beers, Vinicius M. Placco, Young Kwang Kim, Jae-Rim Koo, Ho-Gyu Lee, Soung-Chul Yang
- http://arxiv.org/abs/2301.06236
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
Discovery of an Ultra Lithium-rich Metal-Poor Red Giant star. (arXiv:2209.02184v1 [astro-ph.SR])
- Virtual Journal - Volume 20, 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
- 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
Potential signature of Population III pair-instability supernova ejecta in the BLR gas of the most distant quasar at z = 7.54. (arXiv:2207.11909v1 [astro-ph.GA])
- Virtual Journal - Volume 20, Issue 30 - article #3
- Yuzuru Yoshii, Hiroaki Sameshima, Takuji Tsujimoto, Toshikazu Shigeyama, Timothy C. Beers, Bruce A. Peterson
- http://arxiv.org/abs/2207.11909
Chemical Cartography with APOGEE: Mapping Disk Populations with a 2-process Model and Residual Abundances
- Virtual Journal - Volume 20, Issue 24 - article #26
- David H. Weinberg, Jon A. Holtzman, Jennifer A. Johnson, Christian Hayes, Sten Hasselquist, Matthew Shetrone, Yuan-Sen Ting, Rachael L. Beaton, Timothy C. Beers, Jonathan C. Bird
- The Astrophysical Journal Supplement
- https://doi.org/10.3847/1538-4365/ac6028
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
- Virtual Journal - Volume 20, Issue 24 - article #27
- 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
APOGEE-2S Mg-Al anti-correlation of the Metal-Poor Globular Cluster NGC 2298. (arXiv:2204.09703v1 [astro-ph.GA])
- Virtual Journal - Volume 20, Issue 16 - article #1
- Ian Baeza, José, G. Fernández-Trincado, Sandro Villanova, Doug Geisler, Dante Minniti, Elisa R. Garro, Beatriz Barbuy, Timothy C. Beers, Richard R. Lane
- http://arxiv.org/abs/2204.09703
A stellar clock reveals the assembly history of the Milky Way
- Virtual Journal - Volume 20, Issue 12 - article #10
- Timothy C. Beers
- Nature
- https://www.nature.com/articles/d41586-022-00768-2
J-PLUS: Stellar Parameters, C, N, Mg, Ca and [{alpha}/Fe] Abundances for Two Million Stars from DR1. (arXiv:2112.07304v1 [astro-ph.SR])
- Virtual Journal - Volume 19, Issue 51 - article #4
- Lin Yang, Haibo Yuan, Maosheng Xiang, Fuqing Duan, Yang Huang, Jifeng Liu, Timothy C. Beers, Carlos Andrés Galarza, Simone Daflon, J.A. Fernández-Ontiveros, Javier Cenarro, David Cristóbal-Hornillos, Carlos Hernández-Monteagudo, Carlos López-Sanjuan, Antonio Marín-Franch, Mariano Moles, Jesús Varela, Héctor Vázquez Ramió, Jailson Alcaniz, Renato Dupke, Alessandro Ederoclite, Laerte Sodré, Jr., Raul E. Angulo
- http://arxiv.org/abs/2112.07304
Silicon and Strontium abundances of very metal-poor stars determined from near-infrared spectra. (arXiv:2112.07433v1 [astro-ph.SR])
- Virtual Journal - Volume 19, Issue 51 - article #9
- Wako Aoki, Timothy C. Beers, Satoshi Honda, Hiroyuki T. Ishikawa, Tadafumi Matsuno, Vinicius M. Placco, Jinmi Yoon, Hiroki Harakawa, Teruyuki Hirano, Klaus Hodapp, Masato Ishizuka, Shane Jacobson, Takayuki Kotani, Tomoyuki Kudo, Takashi Kurokawa, Masayuki Kuzuhara, Jun Nishikawa, Masashi Omiya, Takuma Serizawa, Motohide Tamura, Akitoshi Ueda, Sebastien Vievard
- http://arxiv.org/abs/2112.07433
Dynamically Tagged Groups of Metal-Poor Stars from the Best & Brightest Survey. (arXiv:2109.08600v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 39 - article #4
- Derek Shank, Timothy C. Beers, Vinicius M. Placco, Guilherme Limberg, Emma Jaques, Zhen Yuan, Kevin C. Schlaufman, Andrew R. Casey, Yang Huang, Young Sun Lee, Kohei Hattori, Rafael M. Santucci
- http://arxiv.org/abs/2109.08600
APOGEE-2 Discovery of a Large Population of Relatively High-Metallicity Globular Cluster Debris. (arXiv:2109.02669v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 37 - article #3
- José, G. Fernández-Trincado, Timothy C. Beers, Anna. B. A. Queiroz, Cristina Chiappini, Dante Minniti, Beatriz Barbuy, Steven R. Majewski, Mario Ortigoza-Urdaneta, Christian Moni Bidin, Annie C. Robin, Edmundo Moreno, Leonardo Chaves-Velasquez, Sandro Villanova, Richard R. Lane, Kaike Pan, Dmitry Bizyaev
- http://arxiv.org/abs/2109.02669
APOGEE-2S Discovery of Light- and Heavy-Element Abundance Correlations in the Bulge Globular Cluster NGC 6380. (arXiv:2109.02661v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 37 - article #4
- José, G. Fernández-Trincado, Timothy C. Beers, Beatriz Barbuy, Szabolcs Mészáros, Dante Minniti, Verne V. Smith, Katia Cunha, Sandro Villanova, Doug Geisler, Steven R. Majewski, Leticia Carigi, Baitian Tang, Christian Moni Bidin, Katherine Vieira
- http://arxiv.org/abs/2109.02661
Chemical Cartography with APOGEE: Mapping Disk Populations with a Two-Process Model and Residual Abundances. (arXiv:2108.08860v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 35 - article #1
- David H. Weinberg, Jon A. Holtzman, Jennifer A. Johnson, Christian Hayes, Sten Hasselquist, Matthew Shetrone, Yuan-Sen Ting, Rachael L. Beaton, Timothy C. Beers, Jonathan C. Bird, Dmitry Bizyaev, Michael R. Blanton, Katia Cunha, Jose G. Fernandez-Trincado, Peter M. Frinchaboy, D. A. Garcia-Hernandez, Emily Griffith, James W. Johnson, Henrik Jonsson, Richard R. Lane, Henry W. Leung, J. Ted Mackereth, Steven R. Majewski, Szabolcz Meszaros, Christian Nitschelm, Kaike Pan, Ricardo P. Schiavon, Donald P. Schneider, Mathias Schultheis, Verne Smith, Jennifer S. Sobeck, Keivan G. Stassun, Guy S. Stringfellow, Fiorenzo Vincenzo, John C. Wilson, Gail Zasowski
- http://arxiv.org/abs/2108.08860
Cosmological Insights into the Early Accretion of r -process-enhanced Stars. I. A Comprehensive Chemodynamical Analysis of LAMOST J1109+0754
- Virtual Journal - Volume 18, Issue 45 - article #27
- Mohammad K. Mardini, Vinicius M. Placco, Yohai Meiron, Marina Ishchenko, Branislav Avramov, Matteo Mazzarini, Peter Berczik, Manuel Arca Sedda, Timothy C. Beers, Anna Frebel, Ali Taani, Martina Donnari, Mashhoor A. Al-Wardat,, Gang Zhao
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/903/2/88
Aluminum Enhanced Metal-Poor Stars buried in the Inner Galaxy. (arXiv:2010.01135v1 [astro-ph.GA])
- Virtual Journal - Volume 18, Issue 41 - article #1
- José, G. Fernández-Trincado, Timothy C. Beers, Dante Minniti, Baitian Tang, Sandro Villanova, Doug Geisler, Angeles Pérez-Villegas, Katherine Vieira
- http://arxiv.org/abs/2010.01135
Cosmological Insights into the Early Accretion of textit{r}-Process-Enhanced stars. I. A Comprehensive Chemo-dynamical Analysis of LAMOST J1109+0754. (arXiv:2009.12142v1 [astro-ph.GA])
- Virtual Journal - Volume 18, Issue 40 - article #2
- Mohammad K. Mardini, Vinicius M. Placco, Yohai Meiron, Marina Ishchenko, Branislav Avramov, Matteo Mazzarini, Peter Berczik, Manuel Arca Sedda, Timothy C. Beers, Anna Frebel, Ali Taani, Mashhoor A. Al-Wardat, Gang Zhao
- http://arxiv.org/abs/2009.12142
Abundance Analysis of New r -process-enhanced Stars from the HESP–GOMPA Survey
- Virtual Journal - Volume 18, Issue 32 - article #17
- Avrajit Bandyopadhyay, Thirupathi Sivarani,, Timothy C. Beers
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/899/1/22
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
- Virtual Journal - Volume 18, Issue 30 - article #19
- 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
- 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
The R-process Alliance: First Magellan/MIKE Release from the Southern Search for R-Process-enhanced Stars. (arXiv:2006.07731v1 [astro-ph.SR])
- Virtual Journal - Volume 18, Issue 25 - article #9
- 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])
- Virtual Journal - Volume 18, Issue 25 - article #10
- 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 Chemical Compositions of Accreted and {it in situ} Galactic Globular Clusters According to SDSS/APOGEE. (arXiv:2001.03177v1 [astro-ph.GA])
- Virtual Journal - Volume 18, Issue 3 - article #5
- Danny Horta, Ricardo P. Schiavon, J. Ted Mackereth, Timothy C. Beers, José, G. Fernández-Trincado, Peter M. Frinchaboy, Doug Geisler, Sten Hasselquist, Henrik Jönsson, Richard R. Lane, Steven R. Majewski, Szabolcs Mészáros, Christian Moni Bidin, David M. Nataf, Alexandre Roman-Lopes, Christian Nitschelm, Gail Zasowski
- http://arxiv.org/abs/2001.03177
Evidence for the Third Stellar Population in the Milky Way’s Disk
- Virtual Journal - Volume 17, Issue 49 - article #25
- Daniela Carollo, Masashi Chiba, Miho Ishigaki, Ken Freeman, Timothy C. Beers, Young Sun Lee, Patricia Tissera, Chiara Battistini,, Francesca Primas
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/887/1/22
Chemical Cartography. II. The Assembly History of the Galactic Stellar Halo Traced by Carbon-enhanced Metal-poor Stars
- Virtual Journal - Volume 17, Issue 45 - article #21
- Young Sun Lee, Timothy C. Beers,, Young Kwang Kim
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/885/2/102
The discovery of anomalously high levels of [Si/Fe] among metal-poor giants in the bulge, disk, and halo of the Milky Way. (arXiv:1904.05884v1 [astro-ph.GA])
- Virtual Journal - Volume 17, Issue 16 - article #9
- José, G. Fernández-Trincado, Timothy C. Beers, Vinicius M. Placco, Sarah L. Martell, Edmundo Moreno, Baitian Tang, Alan Alves-Brito, Sandro Villanova, Mario Ortigoza-Urdaneta, Dante Minniti, Angeles Pérez-Villegas, Céline Reylé, Annie C. Robin
- http://arxiv.org/abs/1904.05884
The R -Process Alliance: Discovery of a Low- α , r -process-enhanced Metal-poor Star in the Galactic Halo
- Virtual Journal - Volume 17, Issue 14 - article #22
- Charli M. Sakari, Ian U. Roederer, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Christopher Sneden, John J. Cowan, George Wallerstein, Elizabeth M. Farrell, Kim A. Venn, Gal MatijeviÄ, 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
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/874/2/148
The R-Process Alliance: Discovery of a low-alpha, r-Process-Enhanced Metal-Poor Star in the Galactic Halo. (arXiv:1903.01480v1 [astro-ph.SR])
- Virtual Journal - Volume 17, Issue 10 - article #9
- Charli M. Sakari, Ian U. Roederer, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Christopher Sneden, John J. Cowan, George Wallerstein, Elizabeth M. Farrell, Kim A. Venn, 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/1903.01480
Discovery of a nitrogen-enhanced metal-poor binary system: Possible evidence for pollution from an extinct massive AGB Star. (arXiv:1902.10635v1 [astro-ph.GA])
- Virtual Journal - Volume 17, Issue 9 - article #3
- José, G. Fernández-Trincado, Ronald Mennickent, Mauricio Cabezas, Olga Zamora, Sarah L. Martell, Timothy C. Beers, Vinicius M. Placco, David M. Nataf, Szabolcs Mészáros, Dante Minniti, Dominik R. G. Schleicher, Baitian Tang, Angeles Pérez-Villegas, Annie C. Robin, Céline Reylé,
- http://arxiv.org/abs/1902.10635
APOGEE [C/N] Abundances across the Galaxy: Migration and Infall from Red Giant Ages
- Virtual Journal - Volume 17, Issue 6 - article #16
- Sten Hasselquist, Jon A. Holtzman, Matthew Shetrone, Jamie Tayar, David H. Weinberg, Diane Feuillet, Katia Cunha, Marc H. Pinsonneault, Jennifer A. Johnson, Jonathan Bird, Timothy C. Beers, Ricardo Schiavon, Ivan Minchev, J. G. FernÃ¡ndez-Trincado, D. A. GarcÃa-HernÃ¡ndez, Christian Nitschelm,, Olga Zamora
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/871/2/181
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: A Comprehensive Abundance Analysis of HD 222925, a Metal-poor Star with an Extreme R -process Enhancement of [Eu/H] = −0.14
- Virtual Journal - Volume 16, Issue 40 - article #27
- 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
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: 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])
- Virtual Journal - Volume 16, Issue 35 - article #12
- 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
- Virtual Journal - Volume 16, Issue 35 - article #21
- 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
- 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 metal-rich halo component extended in z: a characterization with Gaia DR2 and APOGEE. (arXiv:1807.07269v1 [astro-ph.GA])
- Virtual Journal - Volume 16, Issue 29 - article #17
- Emma Fernández-Alvar, J. G. Fernández-Trincado, Edmundo Moreno, William J. Schuster, Leticia Carigi, Alejandra Recio-Blanco, Timothy C. Beers, Cristina Chiappini, Friedrich Anders, Basílio X. Santiago, Anna B. A. Queiroz, Ángeles Pérez-Villegas, Olga Zamora, D. A. García-Hernández
- http://arxiv.org/abs/1807.07269
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])
- Virtual Journal - Volume 16, Issue 28 - article #24
- 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
Chemical composition of two bright extremely metal-poor stars from the SDSS MARVELS pre-survey. (arXiv:1805.02280v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 19 - article #2
- Avrajit Bandyopadhyay, Sivarani Thirupathi, Antony Susmitha, Timothy C. Beers, Sunetra Giridhar, Arun Surya, Thomas Masseron
- http://arxiv.org/abs/1805.02280
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
The formation of the heaviest elements. (arXiv:1801.01190v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 2 - article #11
- Anna Frebel (MIT), Timothy C. Beers (Notre Dame)
- http://arxiv.org/abs/1801.01190
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
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy. (arXiv:1707.03456v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 28 - article #2
- Sten Hasselquist, Matthew Shetrone, Verne Smith, Jon Holtzman, Andrew McWilliam, J. G. Fernández-Trincado, Timothy C. Beers, Steven R. Majewski, David L. Nidever, Baitian Tang, Patricia B. Tissera, Emma Fernández Alvar, Carlos Allende Prieto, Andres Almeida, Borja Anguiano, Giuseppina Battaglia, Leticia Carigi, Gloria Delgado Inglada, Peter Frinchaboy, D. A. García-Hernández, Doug Geisler, Dante Minniti, Vinicius M. Placco, Mathias Schultheis, Jennifer Sobeck, Sandro Villanova
- http://arxiv.org/abs/1707.03456
High-resolution Spectroscopy of Extremely Metal-poor Stars from SDSS/SEGUE. III. Unevolved Stars with [Fe/H] ≲ −3.5
- Virtual Journal - Volume 15, Issue 28 - article #15
- Tadafumi Matsuno, Wako Aoki, Timothy C. Beers, Young Sun Lee,, Satoshi Honda
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/2/52
Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe
- Virtual Journal - Volume 15, Issue 26 - article #17
- Michael R. Blanton, Matthew A. Bershady, Bela Abolfathi, Franco D. Albareti, Carlos Allende Prieto, Andres Almeida, Javier Alonso-GarcÃa, Friedrich Anders, Scott F. Anderson, Brett Andrews, Erik Aquino-OrtÃz, Alfonso AragÃ³n-Salamanca, Maria Argudo-FernÃ¡ndez, Eric Armengaud, Eric Aubourg, Vladimir Avila-Reese, Carles Badenes, Stephen Bailey, Kathleen A. Barger, Jorge Barrera-Ballesteros, Curtis Bartosz, Dominic Bates, Falk Baumgarten, Julian Bautista, Rachael Beaton, Timothy C. Beers, Francesco Belfiore, Chad F. Bender, Andreas A. Berlind, Mariangela Bernardi, Florian Beutler, Jonathan C. Bird, Dmitry Bizyaev, Guillermo A. Blanc, Michael Blomqvist, Adam S. Bolton, MÃ©dÃ©ric Boquien, Jura Borissova, Remco van den Bosch, Jo Bovy, William N. Brandt, Jonathan Brinkmann, Joel R. Brownstein, Kevin Bundy, Adam J. Burgasser, Etienne Burtin, NicolÃ¡s G. Busca, Michele Cappellari, Maria Leticia Delgado Carigi, Joleen K. Carlberg, Aurelio Carnero Rosell, Ricardo Carrera, Nancy J. Chanover, Brian Cherinka, Edmond Cheung, Yilen GÃ³mez Maqueo Chew, Cristina Chiappini, Peter Doohyun Choi, Drew Chojnowski, Chia-Hsun Chuang, Haeun Chung, Rafael Fernando Cirolini, Nicolas Clerc, Roger E. Cohen, Johan Comparat, Luiz da Costa, Marie-Claude Cousinou, Kevin Covey, Jeffrey D. Crane, Rupert A. C. Croft, Irene Cruz-Gonzalez, Daniel Garrido Cuadra, Katia Cunha, Guillermo J. Damke, Jeremy Darling, Roger Davies, Kyle Dawson, Axel de la Macorra, Flavia DellâAgli, Nathan De Lee, TimothÃ©e Delubac, Francesco Di Mille, Aleks Diamond-Stanic, Mariana Cano-DÃaz, John Donor, Juan JosÃ© Downes, Niv Drory, HÃ©lion du Mas des Bourboux, Christopher J. Duckworth, Tom Dwelly, Jamie Dyer, Garrett Ebelke, Arthur D. Eigenbrot, Daniel J. Eisenstein, Eric Emsellem, Mike Eracleous, Stephanie Escoffier, Michael L. Evans, Xiaohui Fan, Emma FernÃ¡ndez-Alvar, J. G. Fernandez-Trincado, Diane K. Feuillet, Alexis Finoguenov, Scott W. Fleming, Andreu Font-Ribera, Alexander Fredrickson, Gordon Freischlad, Peter M. Frinchaboy, Carla E. Fuentes, LluÃs Galbany, R. Garcia-Dias, D. A. GarcÃa-HernÃ¡ndez, Patrick Gaulme, Doug Geisler, Joseph D. Gelfand, HÃ©ctor Gil-MarÃn, Bruce A. Gillespie, Daniel Goddard, Violeta Gonzalez-Perez, Kathleen Grabowski, Paul J. Green, Catherine J. Grier, James E. Gunn, Hong Guo, Julien Guy, Alex Hagen, ChangHoon Hahn, Matthew Hall, Paul Harding, Sten Hasselquist, Suzanne L. Hawley, Fred Hearty, Jonay I. Gonzalez HernÃ¡ndez, Shirley Ho, David W. Hogg, Kelly Holley-Bockelmann, Jon A. Holtzman, Parker H. Holzer, Joseph Huehnerhoff, Timothy A. Hutchinson, Ho Seong Hwang, HÃ©ctor J. Ibarra-Medel, Gabriele da Silva Ilha, Inese I. Ivans, KeShawn Ivory, Kelly Jackson, Trey W. Jensen, Jennifer A. Johnson, Amy Jones, Henrik JÃ¶nsson, Eric Jullo, Vikrant Kamble, Karen Kinemuchi, David Kirkby, Francisco-Shu Kitaura, Mark Klaene, Gillian R. Knapp, Jean-Paul Kneib, Juna A. Kollmeier, Ivan Lacerna, Richard R. Lane, Dustin Lang, David R. Law, Daniel Lazarz, Youngbae Lee, Jean-Marc Le Goff, Fu-Heng Liang, Cheng Li, Hongyu Li, Jianhui Lian, Marcos Lima, Lihwai Lin, Yen-Ting Lin, Sara Bertran de Lis, Chao Liu, Miguel Angel C. de Icaza Lizaola, Dan Long, Sara Lucatello, Britt Lundgren, Nicholas K. MacDonald, Alice Deconto Machado, Chelsea L. MacLeod, Suvrath Mahadevan, Marcio Antonio Geimba Maia, Roberto Maiolino, Steven R. Majewski, Elena Malanushenko, Viktor Malanushenko, Arturo Manchado, Shude Mao, Claudia Maraston, Rui Marques-Chaves, Thomas Masseron, Karen L. Masters, Cameron K. McBride, Richard M. McDermid, Brianne McGrath, Ian D. McGreer, NicolÃ¡s Medina PeÃ±a, Matthew Melendez, Andrea Merloni, Michael R. Merrifield, Szabolcs Meszaros, Andres Meza, Ivan Minchev, Dante Minniti, Takamitsu Miyaji, Surhud More, John Mulchaey, Francisco MÃ¼ller-SÃ¡nchez, Demitri Muna, Ricardo R. Munoz, Adam D. Myers, Preethi Nair, Kirpal Nandra, Janaina Correa do Nascimento, Alenka Negrete, Melissa Ness, Jeffrey A. Newman, Robert C. Nichol, David L. Nidever, Christian Nitschelm, Pierros Ntelis, Julia E. OâConnell, Ryan J. Oelkers, Audrey Oravetz, Daniel Oravetz, Zach Pace, Nelson Padilla, Nathalie Palanque-Delabrouille, Pedro Alonso Palicio, Kaike Pan, John K. Parejko, Taniya Parikh, Isabelle PÃ¢ris, Changbom Park, Alim Y. Patten, Sebastien Peirani, Marcos Pellejero-Ibanez, Samantha Penny, Will J. Percival, Ismael Perez-Fournon, Patrick Petitjean, Matthew M. Pieri, Marc Pinsonneault, Alice Pisani, RadosÅaw Poleski, Francisco Prada, Abhishek Prakash, Anna BÃ¡rbara de Andrade Queiroz, M. Jordan Raddick, Anand Raichoor, Sandro Barboza Rembold, Hannah Richstein, Rogemar A. Riffel, RogÃ©rio Riffel, Hans-Walter Rix, Annie C. Robin, Constance M. Rockosi, Sergio RodrÃguez-Torres, A. Roman-Lopes, Carlos RomÃ¡n-ZÃºÃ±iga, Margarita Rosado, Ashley J. Ross, Graziano Rossi, John Ruan, Rossana Ruggeri, Eli S. Rykoff, Salvador Salazar-Albornoz, Mara Salvato, Ariel G. SÃ¡nchez, D. S. Aguado, JosÃ© R. SÃ¡nchez-Gallego, Felipe A. Santana, BasÃlio Xavier Santiago, Conor Sayres, Ricardo P. Schiavon, Jaderson da Silva Schimoia, Edward F. Schlafly, David J. Schlegel, Donald P. Schneider, Mathias Schultheis, William J. Schuster, Axel Schwope, Hee-Jong Seo, Zhengyi Shao, Shiyin Shen, Matthew Shetrone, Michael Shull, Joshua D. Simon, Danielle Skinner, M. F. Skrutskie, AnÅ¾e Slosar, Verne V. Smith, Jennifer S. Sobeck, Flavia Sobreira, Garrett Somers, Diogo Souto, David V. Stark, Keivan Stassun, Fritz Stauffer, Matthias Steinmetz, Thaisa Storchi-Bergmann, Alina Streblyanska, Guy S. Stringfellow, Genaro SuÃ¡rez, Jing Sun, Nao Suzuki, Laszlo Szigeti, Manuchehr Taghizadeh-Popp, Baitian Tang, Charling Tao, Jamie Tayar, Mita Tembe, Johanna Teske, Aniruddha R. Thakar, Daniel Thomas, Benjamin A. Thompson, Jeremy L. Tinker, Patricia Tissera, Rita Tojeiro, Hector Hernandez Toledo, Sylvain de la Torre, Christy Tremonti, Nicholas W. Troup, Octavio Valenzuela, Inma Martinez Valpuesta, Jaime Vargas-GonzÃ¡lez, Mariana Vargas-MagaÃ±a, Jose Alberto Vazquez, Sandro Villanova, M. Vivek, Nicole Vogt, David Wake, Rene Walterbos, Yuting Wang, Benjamin Alan Weaver, Anne-Marie Weijmans, David H. Weinberg, Kyle B. Westfall, David G. Whelan, Vivienne Wild, John Wilson, W. M. Wood-Vasey, Dominika Wylezalek, Ting Xiao, Renbin Yan, Meng Yang, Jason E. Ybarra, Christophe YÃ¨che, Nadia Zakamska, Olga Zamora, Pauline Zarrouk, Gail Zasowski, Kai Zhang, Gong-Bo Zhao, Zheng Zheng, Zheng Zheng, Xu Zhou, Zhi-Min Zhou, Guangtun B. Zhu, Manuela Zoccali,, Hu Zou
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/1/28
Chemical Cartography. I. A Carbonicity Map of the Galactic Halo
- Virtual Journal - Volume 15, Issue 7 - article #21
- Young Sun Lee, Timothy C. Beers, Young Kwang Kim, Vinicius Placco, Jinmi Yoon, Daniela Carollo, Thomas Masseron,, Jaehun Jung
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/836/1/91
Chemical Cartography. I. A Carbonicity Map of the Galactic Halo. (arXiv:1702.00195v1 [astro-ph.GA])
- Virtual Journal - Volume 15, Issue 5 - article #5
- Young Sun Lee, Timothy C. Beers, Young Kwang Kim, Vinicius Placco, Jinmi Yoon, Daniela Carollo, Thomas Masseron, Jaehun Jung
- http://arxiv.org/abs/1702.00195
Bright Metal-Poor Stars from the Hamburg/ESO Survey. II. A Chemodynamical Analysis
- Virtual Journal - Volume 15, Issue 3 - article #32
- Timothy C. Beers, Vinicius M. Placco, Daniela Carollo, Silvia Rossi, Young Sun Lee, Anna Frebel, John E. Norris, Sarah Dietz,, Thomas Masseron
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/835/1/81
White paper on nuclear astrophysics and low energy nuclear physics Part 1: Nuclear astrophysics
- Virtual Journal - Volume 14, Issue 53 - article #17
- Almudena Arcones, Dan W. Bardayan, Timothy C. Beers, Lee A. Bernstein, Jeffrey C. Blackmon, Bronson Messer, B. Alex Brown, Edward F. Brown, Carl R. Brune, Art E. Champagne, Alessandro Chieffi, Aaron J. Couture, Pawel Danielewicz, Roland Diehl, Mounib El-Eid, Jutta E. Escher, Brian D. Fields, Carla FrÃ¶hlich, Falk Herwig, William Raphael Hix, Christian Iliadis, William G. Lynch, Gail C. McLaughlin, Bradley S. Meyer, Anthony Mezzacappa, Filomena Nunes, Brian W. OâShea, Madappa Prakash, Boris Pritychenko, Sanjay Reddy, Ernst Rehm, Grigory Rogachev, Robert E. Rutledge, Hendrik Schatz, Michael S. Smith, Ingrid H. Stairs, Andrew W. Steiner, Tod E. Strohmayer, F.X. Timmes, Dean M. Townsley, Michael Wiescher, Remco G.T. Zegers, Michael Zingale
- http://rss.sciencedirect.com/action/redirectFile?&zone=main¤tActivity=feed&usageType=outward&url=http%3A%2F%2Fwww.sciencedirect.com%2Fscience%3F_ob%3DGatewayURL%26_origin%3DIRSSSEARCH%26_method%3DcitationSearch%26_piikey%3DS014664101630076X%26_version%3D1%26md5%3D9d2c9ff28125f40cf28542158247fb06
Identification of Neodymium in the Apogee H-Band Spectra
- Virtual Journal - Volume 14, Issue 50 - article #20
- Sten Hasselquist, Matthew Shetrone, Katia Cunha, Verne V. Smith, Jon Holtzman, J. E. Lawler, Carlos Allende Prieto, Timothy C. Beers, Drew Chojnowski, J. G. FernÃ¡ndez-Trincado, D. A. GarcÃa-HernÃ¡ndez, Fred R. Hearty, Steven R. Majewski, C. B. Pereira, Vinicius M. Placco, Sandro Villanova,, Olga Zamora
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/833/1/81
OBSERVATIONAL CONSTRAINTS ON FIRST-STAR NUCLEOSYNTHESIS. I. EVIDENCE FOR MULTIPLE PROGENITORS OF CEMP-NO STARS
- Virtual Journal - Volume 14, Issue 50 - article #21
- 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. II. SPECTROSCOPY OF AN ULTRA METAL-POOR CEMP-NO STAR
- Virtual Journal - Volume 14, Issue 50 - article #22
- Vinicius M. Placco, Anna Frebel, Timothy C. Beers, Jinmi Yoon, Anirudh Chiti, Alexander Heger, Conrad Chan, Andrew R. Casey,, Norbert Christlieb
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/833/1/21
Bright Metal-Poor Stars from the Hamburg/ESO Survey. II. A Chemodynamical Analysis. (arXiv:1611.03762v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 47 - article #2
- Timothy C. Beers, Vinicius M. Placco, Daniela Carollo, Silvia Rossi, Anna Frebel, John E. Norris, Sarah Dietz, Thomas Masseron
- http://arxiv.org/abs/1611.03762
APOGEE Chemical Abundances of Globular Cluster Giants in the Inner Galaxy. (arXiv:1611.03086v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 46 - article #2
- Ricardo P. Schiavon, Jennifer A. Johnson, Peter M. Frinchaboy, Gail Zasowski, Szabolcs Meszaros, D. A. Garcia-Hernandez, Roger E. Cohen, Baitian Tang, Sandro Villanova, Douglas Geisler, Timothy C. Beers, J. G. Fernandez-Trincado, Ana E. Garcia Perez, Sara Lucatello, Steven R. Majewski, Sarah L. Martell, Robert W. O'Connell, Carlos Allende Prieto, Dmitry Bizyaev, Ricardo Carrera, Richard R. Lane, Elena Malanushenko, Viktor Malanushenko, Ricardo R. Munoz, Christian Nitschelm, Daniel Oravetz, Kaike Pan, Alexandre Roman-Lopes, Matthias Schultheis, Audrey Simmons
- http://arxiv.org/abs/1611.03086
The DESI Experiment Part I: Science,Targeting, and Survey Design. (arXiv:1611.00036v1 [astro-ph.IM])
- Virtual Journal - Volume 14, Issue 45 - article #4
- DESI Collaboration: Amir Aghamousa, Jessica Aguilar, Steve Ahlen, Shadab Alam, Lori E. Allen, Carlos Allende Prieto, James Annis, Stephen Bailey, Christophe Balland, Otger Ballester, Charles Baltay, Lucas Beaufore, Chris Bebek, Timothy C. Beers, Eric F. Bell, José, Luis Bernal, Robert Besuner, Florian Beutler, Chris Blake, Hannes Bleuler, Michael Blomqvist, Robert Blum, Adam S. Bolton, Cesar Briceno, Elizabeth Buckley-Geer, Angela Burden, Etienne Burtin, Nicolas G. Busca, Robert N. Cahn, Yan-Chuan Cai, Raymond G. Carlberg, Pierre-Henri Carton, Ricard Casas, Francisco J. Castander, Todd M. Claybaugh, Madeline Close, Carl T. Coker, Shaun Cole, Andrew P. Cooper, M.-C. Cousinou, Martin Crocce, Jean-Gabriel Cuby, Daniel P. Cunningham, Tamara Davis, Kyle S. Dawson, Axel de la Macorra, Juan De Vicente, et al. (215 additional authors not shown)
- http://arxiv.org/abs/1611.00036
The DESI Experiment Part II: Instrument Design. (arXiv:1611.00037v1 [astro-ph.IM])
- Virtual Journal - Volume 14, Issue 45 - article #5
- DESI Collaboration: Amir Aghamousa, Jessica Aguilar, Steve Ahlen, Shadab Alam, Lori E. Allen, Carlos Allende Prieto, James Annis, Stephen Bailey, Christophe Balland, Otger Ballester, Charles Baltay, Lucas Beaufore, Chris Bebek, Timothy C. Beers, Eric F. Bell, José, Luis Bernal, Robert Besuner, Florian Beutler, Chris Blake, Hannes Bleuler, Michael Blomqvist, Robert Blum, Adam S. Bolton, Cesar Briceno, Elizabeth Buckley-Geer, Angela Burden, Etienne Burtin, Nicolas G. Busca, Robert N. Cahn, Yan-Chuan Cai, Raymond G. Carlberg, Pierre-Henri Carton, Ricard Casas, Francisco J. Castander, Todd M. Claybaugh, Madeline Close, Carl T. Coker, Shaun Cole, Andrew P. Cooper, M.-C. Cousinou, Martin Crocce, Jean-Gabriel Cuby, Daniel P. Cunningham, Tamara Davis, Kyle S. Dawson, Axel de la Macorra, Juan De Vicente, et al. (215 additional authors not shown)
- http://arxiv.org/abs/1611.00037
G64-12 and G64-37 Are Carbon-enhanced Metal-poor Stars
- Virtual Journal - Volume 14, Issue 39 - article #33
- Vinicius M. Placco, Timothy C. Beers, Henrique Reggiani,, Jorge MelÃ©ndez
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/829/2/L24
G64-12 and G64-37 are Carbon-Enhanced Metal-Poor Stars. (arXiv:1609.00679v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 37 - article #10
- Vinicius M. Placco, Timothy C. Beers, Henrique Reggiani, Jorge Melendez
- http://arxiv.org/abs/1609.00679
Observational Constraints on First-Star Nucleosynthesis. II. Spectroscopy of an Ultra Metal-Poor CEMP-no Star. (arXiv:1609.02134v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 37 - article #17
- Vinicius M. Placco, Anna Frebel, Timothy C. Beers, Jinmi Yoon, Anirudh Chiti, Alexander Heger, Conrad Chan, Andrew R. Casey, Norbert Christlieb
- http://arxiv.org/abs/1609.02134
Observational Constraints on First-Star Nucleosynthesis. I. Evidence for Multiple Progenitors of CEMP-no Stars. (arXiv:1607.06336v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 30 - article #10
- 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
Chemical Tagging in the SDSS-III/APOGEE Survey: New Identifications of Halo Stars with Globular Cluster Origins
- Virtual Journal - Volume 14, Issue 29 - article #8
- Sarah L. Martell, Matthew D. Shetrone, Sara Lucatello, Ricardo P. Schiavon, Szabolcs MÃ©szÃ¡ros, Carlos Allende Prieto, D. A. GarcÃa HernÃ¡ndez, Timothy C. Beers,, David L Nidever
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/825/2/146
Chemical tagging with APOGEE: Discovery of a large population of N-rich stars in the inner Galaxy. (arXiv:1606.05651v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 26 - article #5
- Ricardo P. Schiavon, Olga Zamora, Ricardo Carrera, Sara Lucatello, A.C. Robin, Melissa Ness, Sarah L. Martell, Verne V. Smith, D. A. Garcia Hernandez, Arturo Manchado, Ralph Schoenrich, Nate Bastian, Cristina Chiappini, Matthew Shetrone, J. Ted Mackereth, Rob A. Williams, Szabolcs Meszaros, Carlos Allende Prieto, Friedrich Anders, Dmitry Bizyaev, Timothy C. Beers, S. Drew Chojnowski, Katia Cunha, Courtney Epstein, Peter M. Frinchaboy, Ana E. Garcia Perez, Fred R. Hearty, Jon A. Holtzman, Jennifer A. Johnson, Karen Kinemuchi, Steven R. Majewski, Demitri Muna, David L. Nidever, Duy Cuong Nguyen, Robert W. O'Connell, Daniel Oravetz, Kaike Pan, Marc Pinsonneault, Donald P. Schneider, Matthias Schultheis, Audrey Simmons, Michael F. Skrutskie, Jennifer Sobeck, John C. Wilson, Gail Zasowski
- http://arxiv.org/abs/1606.05651
Detection of Phosphorus, Sulphur, and Zinc in the Carbon-enhanced Metal-poor Star BD+44 493
- Virtual Journal - Volume 14, Issue 25 - article #26
- Ian U. Roederer, Vinicius M. Placco, and Timothy C. Beers
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/824/2/L19
Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars
- Virtual Journal - Volume 13, Issue 31 - article #8
- Vinicius M. Placco, Timothy C. Beers, Inese I. Ivans, Dan Filler, Julie A. Imig, Ian U. Roederer, Carlo Abate, Terese Hansen, John J. Cowan, Anna Frebel, James E. Lawler, Hendrik Schatz, Christopher Sneden, Jennifer S. Sobeck, Wako Aoki, Verne V. Smith, Michael Bolte
- arXiv.org - Astrophysics - Volume: 2015, Issue: 28 Aug
- arXiv:1508.05872 [pdf, ps, other]
Metal-Poor Stars Observed with the Magellan Telescope. III. New Extremely and Ultra Metal-Poor Stars from SDSS/SEGUE and Insights on the Formation of Ultra Metal-Poor Stars
- Virtual Journal - Volume 13, Issue 25 - article #19
- Vinicius M. Placco, Anna Frebel, Young Sun Lee, Heather R. Jacobson, Timothy C. Beers, Jose M. Pena, Conrad Chan, Alexander Heger
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Jul
- arXiv:1507.03656 [pdf, ps, other]
Estimation of distances to stars with stellar parameters from LAMOST
- Virtual Journal - Volume 13, Issue 20 - article #7
- Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg, Timothy C. Beers, Li Chen, Licai Deng, Puragra Guhathakurta, Jinliang Hou, Yonghui Hou, Sebastien Lepine, Guangwei Li, A-Li Luo, Martin C. Smith, Yue Wu, Ming Yang, Brian Yanny, Haotong Zhang, Zheng Zheng
- arXiv.org - Astrophysics - Volume: 2015, Issue: 22 May
- arXiv:1505.05521 [pdf, ps, other]
Exploring Anticorrelations and Light Element Variations in Northern Globular Clusters Observed by the APOGEE Survey
- Virtual Journal - Volume 13, Issue 18 - article #23
- Szabolcs MÃ©szÃ¡ros, Sarah L. Martell, Matthew Shetrone, Sara Lucatello, Nicholas W. Troup, Jo Bovy, Katia Cunha, Domingo A. GarcÃa-HernÃ¡ndez, Jamie C. Overbeek, Carlos Allende Prieto, Timothy C. Beers, Peter M. Frinchaboy, Ana E. GarcÃa PÃ©rez, Fred R. Hearty, Jon Holtzman, Steven R. Majewski, David L. Nidever, Ricardo P. Schiavon, Donald P. Schneider, Jennifer S. Sobeck, Verne V. Smith, Olga Zamora, and Gail Zasowski
- Astronomical Journal - Volume: 149, Issue: 5
- View article PDF (1.74 MB)
The SEGUE K Giant Survey. III. Quantifying Galactic Halo Substructure
- Virtual Journal - Volume 13, Issue 13 - article #12
- William Janesh, Heather L. Morrison, Zhibo Ma, Paul Harding, Constance Rockosi, Else Starkenburg, Xiang Xiang Xue, Hans-Walter Rix, Timothy C. Beers, Jennifer Johnson, Young Sun Lee, Donald P. Schneider
- arXiv.org - Astrophysics - Volume: 2015, Issue: 3 Apr
- arXiv:1503.09133 [pdf, other]
Chemical Cartography with APOGEE: Metallicity Distribution Functions and the Chemical Structure of the Milky Way Disk
- Virtual Journal - Volume 13, Issue 10 - article #3
- Michael R. Hayden, Jo Bovy, Jon A. Holtzman, David L. Nidever, Jonathan C. Bird, David H. Weinberg, Brett H. Andrews, Carlos Allende Prieto, Friedrich Anders, Timothy C. Beers, Dmitry Bizyaev, Cristina Chiappini, Katia Cunha, Peter Frinchaboy, Domingo A. García-Herńandez, Ana E. García Pérez, Léo Girardi, Paul Harding, Fred R. Hearty, Jennifer A. Johnson, Steven R. Majewski, Szabolcs Mészáros, Ivan Minchev, Robert O'Connell, Kaike Pan, Annie C.Robin, Ricardo P. Schiavon, Donald P. Schneider, Mathias Schultheis, Matthew Shetrone, Michael Skrutskie, Matthias Steinmetz, Verne Smith, Olga Zamora, Gail Zasowski
- arXiv.org - Astrophysics - Volume: 2015, Issue: 13 Mar
- arXiv:1503.02110 [pdf, other]
High-Resolution Spectroscopy of Extremely Metal-Poor Stars from SDSS/SEGUE. II. Binary Fraction
- Virtual Journal - Volume 13, Issue 5 - article #25
- Wako Aoki, Takuma Suda, Timothy C. Beers, and Satoshi Honda
- Astronomical Journal - Volume: 149, Issue: 2
- View article PDF (303 KB)
Abundances, Stellar Parameters, and Spectra From the SDSS-III/APOGEE Survey
- Virtual Journal - Volume 13, Issue 3 - article #1
- Jon A. Holtzman, Matthew Shetrone, Jennifer A. Johnson, Carlos Allende Prieto, Friedrich Anders, Brett Andrews, Timothy C. Beers, Dmitry Bizyaev, Michael R. Blanton, Jo Bovy, Ricardo Carrera, Katia Cunha, Daniel J. Eisenstein, Diane Feuillet, Peter M. Frinchaboy, Jessica Galbraith-Frew, Ana E. Garcia Perez, D. Anibal Garcia Hernandez, Sten Hasselquist, Michael R. Hayden, Fred R. Hearty, Inese Ivans, Steven R. Majewski, Sarah Martell, Szabolcs Meszaros, Demitri Muna, David L. Nidever, Duy Cuong Nguyen, Robert W. O'Connell, Kaike Pan, Marc Pinsonneault, Annie C. Robin, Ricardo P. Schiavon, Neville Shane, Jennifer Sobeck, Verne V. Smith, Nicholas Troup, David H. Weinberg, John C. Wilson, W. M. Wood-Vasey, Olga Zamora, Gail Zasowski
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Jan
- arXiv:1501.04110 [pdf, other]
Exploring Anticorrelations and Light Element Variations in Northern Globular Clusters Observed by the APOGEE Survey
- Virtual Journal - Volume 13, Issue 3 - article #3
- Szabolcs Meszaros, Sarah L. Martell, Matthew Shetrone, Sara Lucatello, Nicholas W. Troup, Jo Bovy, Katia Cunha, Domingo A. Garcia-Hernandez, Jamie C. Overbeek, Carlos Allende Prieto, Timothy C. Beers, Peter M. Frinchaboy, Ana E. Garcia Perez, Fred R. Hearty, Jon Holtzman, Steven R. Majewski, David L. Nidever, Ricardo P. Schiavon, Donald P. Schneider, Jennifer S. Sobeck, Verne V. Smith, Olga Zamora, Gail Zasowski
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Jan
- arXiv:1501.05127 [pdf, ps, other]

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