Search - Virtual Journal of Nuclear Astrophysics

Search

Criteria:

Year:

2003	2004	2005	2006	2007	2008	2009	2010	2011	2012
2013	2014	2015	2016	2017	2018	2019	2020	2021	2022
2023	2024

Results Per Page

(100 is the maximum results per page allowed.)

Boolean Operator
For Tags

Results 1 - 49 of 49

A $1.9,M_{odot}$ neutron star candidate in a 2-year orbit
- Virtual Journal - Volume 22, Issue 7 - article #1
- Kareem El-Badry Joshua D. Simon Henrique Reggiani Hans-Walter Rix David W. Latham Allyson Bieryla Lars A. Buchhave Sahar Shahaf Tsevi Mazeh Sukanya Chakrabarti Puragra Guhathakurta Ilya V. Ilyin
- https://arxiv.org/abs/2402.06722
Metal Mixing in the R-Process Enhanced Ultra-Faint Dwarf Galaxy Reticulum II. (arXiv:2207.03499v2 [astro-ph.GA] UPDATED)
- Virtual Journal - Volume 21, Issue 8 - article #4
- Alexander P. Ji, Joshua D. Simon, Ian U. Roederer, Ekaterina Magg, Anna Frebel, Christian I. Johnson, Ralf S. Klessen, Mattis Magg, Gabriele Cescutti, Mario Mateo, Maria Bergemann, John I. Bailey III
- http://arxiv.org/abs/2207.03499
Metal Mixing in the r-process Enhanced Ultrafaint Dwarf Galaxy Reticulum II
- Virtual Journal - Volume 21, Issue 7 - article #11
- Alexander P. Ji, Joshua D. Simon, Ian U. Roederer, Ekaterina Magg, Anna Frebel, Christian I. Johnson, Ralf S. Klessen, Mattis Magg, Gabriele Cescutti, Mario Mateo
- Astronomical Journal
- https://doi.org/10.3847/1538-3881/acad84
Timing the r-process Enrichment of the Ultra-faint Dwarf Galaxy Reticulum II
- Virtual Journal - Volume 21, Issue 7 - article #15
- Joshua D. Simon, Thomas M. Brown, BurÃƒÂ§in Mutlu-Pakdil, Alexander P. Ji, Alex Drlica-Wagner, Roberto J. Avila, Clara E. MartÃƒÂnez-VÃƒÂ¡zquez, Ting S. Li, Eduardo Balbinot, Keith Bechtol
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/aca9d1
Timing the r-Process Enrichment of the Ultra-Faint Dwarf Galaxy Reticulum II. (arXiv:2212.00810v1 [astro-ph.GA])
- Virtual Journal - Volume 20, 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
Detailed chemical abundances of stars in the outskirts of the Tucana II ultra-faint dwarf galaxy. (arXiv:2205.01740v1 [astro-ph.GA])
- Virtual Journal - Volume 20, Issue 18 - article #1
- Anirudh Chiti, Anna Frebel, Alexander P. Ji, Mohammad K. Mardini, Xiaowei Ou, Joshua D. Simon, Kaitlin C. Rasmussen, Helmut Jerjen, Dongwon Kim, John E. Norris
- http://arxiv.org/abs/2205.01740
The Most Metal-poor Stars in the Magellanic Clouds are $r$-process Enhanced. (arXiv:2108.10880v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 35 - article #7
- Henrique Reggiani, Kevin C. Schlaufman, Andrew R. Casey, Joshua D. Simon, andAlexander P. Ji
- http://arxiv.org/abs/2108.10880
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
Multiple Chemodynamic Stellar Populations of the Ursa Minor Dwarf Spheroidal Galaxy. (arXiv:2002.09503v2 [astro-ph.GA] UPDATED)
- Virtual Journal - Volume 18, Issue 21 - article #6
- Andrew B. Pace (CMU), Manoj Kaplinghat (UCI), Evan Kirby (Caltech), Joshua D. Simon (Carnegie Obs), Erik Tollerud (STSci), Ricardo R. Muñoz (U. Chile), Patrick Côté, (NRC), S. G. Djorgovski (Caltech), Marla Geha (Yale)
- http://arxiv.org/abs/2002.09503
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])
- Virtual Journal - Volume 16, Issue 37 - article #4
- Alexander P. Ji, Joshua D. Simon, Anna Frebel, Kim A. Venn, Terese T. Hansen
- http://arxiv.org/abs/1809.02182
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
Detection of a population of carbon-enhanced metal-poor stars in the Sculptor dwarf spheroidal galaxy. (arXiv:1803.04538v1 [astro-ph.GA])
- Virtual Journal - Volume 16, Issue 11 - article #4
- Anirudh Chiti, Joshua D. Simon, Anna Frebel, Ian B. Thompson, Stephen A. Shectman, Mario Mateo, John I. Bailey III, Jeffrey D. Crane, Matthew Walker
- http://arxiv.org/abs/1803.04538
A Neutron Star Binary Merger Model for GW170817/GRB170817a/SSS17a. (arXiv:1710.05453v1 [astro-ph.HE])
- Virtual Journal - Volume 15, Issue 42 - article #7
- Ariadna Murguia-Berthier, Enrico Ramirez-Ruiz, Charles D. Kilpatrick, Ryan J. Foley, Daniel Kasen, William H. Lee, Anthony L. Piro, David A. Coulter, Maria R. Drout, Barry F. Madore, Benjamin J. Shappee, Yen-Chen Pan, J. Xavier Prochaska, Armin Rest, César Rojas-Bravo, Matthew R. Siebert, Joshua D. Simon
- http://arxiv.org/abs/1710.05453
Electromagnetic Evidence that SSS17a is the Result of a Binary Neutron Star Merger. (arXiv:1710.05434v1 [astro-ph.HE])
- Virtual Journal - Volume 15, Issue 42 - article #20
- Charles D. Kilpatrick, Ryan J. Foley, Daniel Kasen, Ariadna Murguia-Berthier, Enrico Ramirez-Ruiz, David A. Coulter, Maria R. Drout, Anthony L. Piro, Benjamin J. Shappee, Konstantina Boutsia, Carlos Contreras, Francesco Di Mille, Barry F. Madore, Nidia Morrell, Yen-Chen Pan, J. Xavier Prochaska, Armin Rest, César Rojas-Bravo, Matthew R. Siebert, Joshua D. Simon, Natalie Ulloa
- http://arxiv.org/abs/1710.05434
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-GarcÃƒÂa, Friedrich Anders, Scott F. Anderson, Brett Andrews, Erik Aquino-OrtÃƒÂz, Alfonso AragÃƒÂ³n-Salamanca, Maria Argudo-FernÃƒÂ¡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, MÃƒÂ©dÃƒÂ©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, NicolÃƒÂ¡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 GÃƒÂ³mez 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 DellÃ¢Â€Â™Agli, Nathan De Lee, TimothÃƒÂ©e Delubac, Francesco Di Mille, Aleks Diamond-Stanic, Mariana Cano-DÃƒÂaz, John Donor, Juan JosÃƒÂ© Downes, Niv Drory, HÃƒÂ©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 FernÃƒÂ¡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, LluÃƒÂs Galbany, R. Garcia-Dias, D. A. GarcÃƒÂa-HernÃƒÂ¡ndez, Patrick Gaulme, Doug Geisler, Joseph D. Gelfand, HÃƒÂ©ctor Gil-MarÃƒÂn, 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 HernÃƒÂ¡ndez, Shirley Ho, David W. Hogg, Kelly Holley-Bockelmann, Jon A. Holtzman, Parker H. Holzer, Joseph Huehnerhoff, Timothy A. Hutchinson, Ho Seong Hwang, HÃƒÂ©ctor J. Ibarra-Medel, Gabriele da Silva Ilha, Inese I. Ivans, KeShawn Ivory, Kelly Jackson, Trey W. Jensen, Jennifer A. Johnson, Amy Jones, Henrik JÃƒÂ¶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, NicolÃƒÂ¡s Medina PeÃƒÂ±a, Matthew Melendez, Andrea Merloni, Michael R. Merrifield, Szabolcs Meszaros, Andres Meza, Ivan Minchev, Dante Minniti, Takamitsu Miyaji, Surhud More, John Mulchaey, Francisco MÃƒÂ¼ller-SÃƒÂ¡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. OÃ¢Â€Â™Connell, 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 PÃƒÂ¢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, RadosÃ…Â‚aw Poleski, Francisco Prada, Abhishek Prakash, Anna BÃƒÂ¡rbara de Andrade Queiroz, M. Jordan Raddick, Anand Raichoor, Sandro Barboza Rembold, Hannah Richstein, Rogemar A. Riffel, RogÃƒÂ©rio Riffel, Hans-Walter Rix, Annie C. Robin, Constance M. Rockosi, Sergio RodrÃƒÂguez-Torres, A. Roman-Lopes, Carlos RomÃƒÂ¡n-ZÃƒÂºÃƒÂ±iga, Margarita Rosado, Ashley J. Ross, Graziano Rossi, John Ruan, Rossana Ruggeri, Eli S. Rykoff, Salvador Salazar-Albornoz, Mara Salvato, Ariel G. SÃƒÂ¡nchez, D. S. Aguado, JosÃƒÂ© R. SÃƒÂ¡nchez-Gallego, Felipe A. Santana, BasÃƒÂlio 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, AnÃ…Â¾e 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 SuÃƒÂ¡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-GonzÃƒÂ¡lez, Mariana Vargas-MagaÃƒÂ±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 YÃƒÂ¨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
Complete Element Abundances of Nine Stars in the r-process Galaxy Reticulum II
- Virtual Journal - Volume 14, Issue 43 - article #42
- Alexander P. Ji, Anna Frebel, Joshua D. Simon,, Anirudh Chiti
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/830/2/93
Maximizing Science in the Era of LSST: A Community-Based Study of Needed US Capabilities. (arXiv:1610.01661v1 [astro-ph.IM])
- Virtual Journal - Volume 14, Issue 41 - article #9
- Joan Najita (NOAO), Beth Willman (LSST), Douglas P. Finkbeiner (Harvard University), Ryan J. Foley (UC Santa Cruz), Suzanne Hawley (U. Washington), Jeffrey A. Newman (U. Pittsburgh), Gregory Rudnick (U. Kansas), Joshua D. Simon (Carnegie Observatories), David Trilling (Northern Arizona U.), Rachel Street (LCOGT), Adam Bolton (NOAO), Ruth Angus (U. Oxford), Eric F. Bell (U. Michigan), Derek Buzasi (Florida Gulf Coast U.), David Ciardi (IPAC, Caltech), James R. A. Davenport (Western Washington U.), Will Dawson (LLNL), Mark Dickinson (NOAO), Alex Drlica-Wagner (Fermilab), Jay Elias (NOAO), Dawn Erb (U. Wisconsin-Milwaukee), Lori Feaga (U. Maryland), Wen-fai Fong (U. Arizona), Eric Gawiser (Rutgers), Mark Giampapa (NSO), Puragra Guhathakurta (UC Santa Cruz), Jennifer L. Hoffman (U. Denver), Henry Hsieh (Planetary Science Institute), et al. (23 additional authors not shown)
- http://arxiv.org/abs/1610.01661
Complete element abundances of nine stars in the r-process galaxy Reticulum II. (arXiv:1607.07447v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 31 - article #3
- Alexander P. Ji, Anna Frebel, Joshua D. Simon, Anirudh Chiti
- http://arxiv.org/abs/1607.07447
A MegaCam Survey of Outer Halo Satellites. VI: The Spatially Resolved Star Formation History of the Carina Dwarf Spheroidal Galaxy. (arXiv:1607.05312v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 30 - article #2
- Felipe A. Santana, Ricardo R. Muñoz, T. J. L. de Boer, Joshua D. Simon, Marla Geha, Patrick Côté, Andrés E. Guzmán, Peter Stetson, S. G. Djorgovski
- http://arxiv.org/abs/1607.05312
A Deep Search for Prompt Radio Emission from Thermonuclear Supernovae with the Very Large Array
- Virtual Journal - Volume 14, Issue 17 - article #34
- Laura Chomiuk, Alicia M. Soderberg, Roger A. Chevalier, Seth Bruzewski, Ryan J. Foley, Jerod Parrent, Jay Strader, Carles Badenes, Claes Fransson, Atish Kamble, Raffaella Margutti, Michael P. Rupen, and Joshua D. Simon
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/821/2/119
High-resolution Spectroscopy of Extremely Metal-poor Stars in the Least-evolved Galaxies: Bootes II
- Virtual Journal - Volume 14, Issue 6 - article #30
- Alexander P. Ji, Anna Frebel, Joshua D. Simon, and Marla Geha
- The Astrophysical Journal - Volume: 817, Issue: 1
- View article PDF (1.70 MB)
Copious r-process enrichment from a single event in an ancient dwarf galaxy
- Virtual Journal - Volume 13, Issue 46 - article #4
- Alexander P. Ji, Anna Frebel, Anirudh Chiti, Joshua D. Simon
- arXiv.org - Astrophysics - Volume: 2015, Issue: 11 Dec
- arXiv:1512.01558 [pdf]
High-resolution spectroscopy of extremely metal-poor stars in the least evolved galaxies: Bootes II
- Virtual Journal - Volume 13, Issue 40 - article #10
- Alexander P. Ji, Anna Frebel, Joshua D. Simon, Marla Geha
- arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Oct
- arXiv:1510.07632 [pdf, other]
A Megacam Survey of Outer Halo Satellites. IV. Two foreground populations possibly associated with the Monoceros substructure in the direction of NGC2419 and Koposov2
- Virtual Journal - Volume 13, Issue 13 - article #1
- Julio A. Carballo-Bello, Ricardo R. Munoz, Jeffrey L. Carlin, Patrick Cote, Marla Geha, Joshua D. Simon, S. G. Djorgovski
- arXiv.org - Astrophysics - Volume: 2015, Issue: 3 Apr
- arXiv:1504.00021 [pdf, other]
Chemical Signatures of the First Supernovae in the Sculptor Dwarf Spheroidal Galaxy
- Virtual Journal - Volume 13, Issue 13 - article #36
- Joshua D. Simon, Heather R. Jacobson, Anna Frebel, Ian B. Thompson, Joshua J. Adams, and Stephen A. Shectman
- The Astrophysical Journal - Volume: 802, Issue: 2
- View article PDF (368 KB)
Chemical Signatures of the First Supernovae in the Sculptor Dwarf Spheroidal Galaxy
- Virtual Journal - Volume 12, Issue 25 - article #15
- Joshua D. Simon (Carnegie Observatories), Heather R. Jacobson, Anna Frebel (MIT), Ian B. Thompson (Carnegie Observatories), Joshua J. Adams (ASML), Stephen A. Shectman (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 19 Dec
- arXiv:1412.5176 [pdf, ps, other]
Segue 1: An Unevolved Fossil Galaxy from the Early Universe
- Virtual Journal - Volume 12, Issue 18 - article #38
- Anna Frebel, Joshua D. Simon, and Evan N. Kirby
- The Astrophysical Journal - Volume: 786, Issue: 1
- View article PDF (2.30 MB)
Segue 1: An Unevolved Fossil Galaxy from the Early Universe
- Virtual Journal - Volume 12, Issue 13 - article #9
- Anna Frebel (MIT), Joshua D. Simon (Carnegie), Evan N. Kirby (Irvine)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 28 Mar
- arXiv:1403.6116 [pdf, ps, other]
The Formation History of the Ultra-Faint Dwarf Galaxies
- Virtual Journal - Volume 11, Issue 40 - article #13
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan Kirby, Don A. VandenBerg, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini, Henry C. Ferguson, Luis C. Vargas, Mario Gennaro
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Oct
- arXiv:1310.0824 [pdf, ps, other]
A Mass-dependent Yield Origin of Neutron-capture Element Abundance Distributions in Ultra-faint Dwarfs
- Virtual Journal - Volume 11, Issue 36 - article #49
- Duane M. Lee, Kathryn V. Johnston, Jason Tumlinson, Bodhisattva Sen, and Joshua D. Simon
- The Astrophysical Journal - Volume: 774, Issue: 2
- Abstract References Full text PDF (1.37 MB) Enhanced article HTML
A Mass-Dependent Yield Origin of Neutron-Capture Element Abundance Distributions in Ultra-Faint Dwarfs
- Virtual Journal - Volume 11, Issue 28 - article #1
- Duane M. Lee, Kathryn V. Johnston, Jason Tumlinson, Bodhisattva Sen, Joshua D. Simon
- arXiv.org - Astrophysics - Volume: 2013, Issue: 12 Jul
- arXiv:1307.2894 [pdf, ps, other]
The Stellar Initial Mass Function of Ultra-faint Dwarf Galaxies: Evidence for IMF Variations with Galactic Environment
- Virtual Journal - Volume 11, Issue 26 - article #54
- Marla Geha, Thomas M. Brown, Jason Tumlinson, Jason S. Kalirai, Joshua D. Simon, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃƒÂ±oz, Roberto J. Avila, Puragra Guhathakurta, and Henry C. Ferguson
- The Astrophysical Journal - Volume: 771, Issue: 1
- Abstract References Full text PDF (588 KB) Enhanced article HTML
The Distribution of Alpha Elements in Ultra-faint Dwarf Galaxies
- Virtual Journal - Volume 11, Issue 14 - article #35
- Luis C. Vargas, Marla Geha, Evan N. Kirby, and Joshua D. Simon
- The Astrophysical Journal - Volume: 767, Issue: 2
- Abstract References Full text PDF (860 KB) Enhanced article HTML
The Primeval Populations of the Ultra-faint Dwarf Galaxies
- Virtual Journal - Volume 10, Issue 27 - article #74
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃƒÂ±oz, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Puragra Guhathakurta, Alvio Renzini, and Henry C. Ferguson
- The Astrophysical Journal Letters - Volume: 753, Issue: 1
- Abstract References Full text PDF (598 KB) View as HTML
The Primeval Populations of the Ultra-Faint Dwarf Galaxies
- Virtual Journal - Volume 10, Issue 23 - article #10
- Thomas M. Brown, Jason Tumlinson (STScI), Marla Geha (Yale), Evan N. Kirby (CalTech), Don A. VandenBerg (U. of Victoria), Ricardo R. Munoz (U. de Chile), Jason S. Kalirai (STScI), Joshua D. Simon (Carnegie), Roberto J. Avila (STScI), Puragra Guhathakurta (UCO/Lick), Alvio Renzini (INAF), Henry C. Ferguson (STScI)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 8 Jun
- arXiv:1206.0941 [pdf, ps, other]
Linking Type Ia Supernova Progenitors and Their Resulting Explosions
- Virtual Journal - Volume 10, Issue 23 - article #33
- Ryan J. Foley, Joshua D. Simon, Christopher R. Burns, Avishay Gal-Yam, Mario Hamuy, Robert P. Kirshner, Nidia I. Morrell, Mark M. Phillips, Gregory A. Shields, and Assaf Sternberg
- The Astrophysical Journal - Volume: 752, Issue: 2
- Abstract References Full text PDF (340 KB) View as HTML
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: Dark Matter Content, Stellar Membership, and Binary Properties from a Bayesian Analysis
- Virtual Journal - Volume 9, Issue 37 - article #38
- Gregory D. Martinez, Quinn E. Minor, James Bullock, Manoj Kaplinghat, Joshua D. Simon and Marla Geha
- The Astrophysical Journal - Volume: 738, Issue: 1
- Abstract References Full text PDF (902 KB) View as HTML
Multi-element Abundance Measurements from Medium-resolution Spectra. III. Metallicity Distributions of Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 9, Issue 23 - article #29
- Evan N. Kirby, Gustavo A. Lanfranchi, Joshua D. Simon, Judith G. Cohen and Puragra Guhathakurta
- The Astrophysical Journal - Volume: 727, Issue: 2
- Abstract References Cited by Full text PDF (904 KB) View as HTML
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Virtual Journal - Volume 9, Issue 18 - article #49
- Joshua D. Simon, Marla Geha, Quinn E. Minor, Gregory D. Martinez, Evan N. Kirby, James S. Bullock, Manoj Kaplinghat, Louis E. Strigari, Beth Willman, Philip I. Choi, Erik J. Tollerud and Joe Wolf
- The Astrophysical Journal - Volume: 733, Issue: 1
- Abstract References Full text PDF (1.24 MB) HTML with Enhancements
Multi-Element Abundance Measurements from Medium-Resolution Spectra. II. Catalog of Stars in Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 8, Issue 48 - article #12
- Evan N. Kirby (1), Puragra Guhathakurta (2), Joshua D. Simon (3), Marla C. Geha (4), Constance M. Rockosi (2), Christopher Sneden (5), Judith G. Cohen (1), Sangmo Tony Sohn (6), Steven R. Majewski (7), Michael Siegel (8) ((1) Caltech, (2) UC Santa Cruz, (3) Carnegie Observatories, (4) Yale, (5) UT Austin, (6) STScI, (7) Univ. of Virginia, (8) Penn State)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.4516 [pdf, ps, other]
Multi-Element Abundance Measurements from Medium-Resolution Spectra. III. Metallicity Distributions of Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 8, Issue 48 - article #13
- Evan N. Kirby (1), Gustavo A. Lanfranchi (2), Joshua D. Simon (3), Judith G. Cohen (1), Puragra Guhathakurta (4) ((1) Caltech, (2) Nucleo de Astrofisica Teorica, Universidade Cruzeiro do Sul, (3) Carnegie Observatories, (4) UC Santa Cruz)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.4937 [pdf, ps, other]
A Complete Spectroscopic Survey of the Milky Way satellite Segue 1: Dark matter content, stellar membership and binary properties from a Bayesian analysis
- Virtual Journal - Volume 8, Issue 36 - article #2
- Gregory D. Martinez, Quinn E. Minor, James Bullock, Manoj Kaplinghat, Joshua D. Simon, Marla Geha
- arXiv.org - Astrophysics - Volume: 2010, Issue: 3 Sep
- arXiv:1008.4585 [pdf, ps, other]
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Virtual Journal - Volume 8, Issue 32 - article #1
- Joshua D. Simon (Carnegie Observatories), Marla Geha (Yale), Quinn E. Minor, Gregory D. Martinez (UC Irvine), Evan N. Kirby (Caltech), James S. Bullock, Manoj Kaplinghat (UC Irvine), Louis E. Strigari (Stanford), Beth Willman (Haverford), Philip I. Choi (Pomona), Erik J. Tollerud, Joe Wolf (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 30 Jul
- arXiv:1007.4198 [pdf, ps, other]
Linking dwarf galaxies to halo building blocks with the most metal-poor star in Sculptor
- Virtual Journal - Volume 8, Issue 10 - article #22
- Anna Frebel, Evan N. Kirby & Joshua D. Simon
- Nature - Volume: 464, Issue: 7285
- First paragraph | Full Text | PDF (347K)
Linking dwarf galaxies to halo building blocks with the most metal-poor star in Sculptor
- Virtual Journal - Volume 7, Issue 52 - article #5
- Anna Frebel (1), Evan Kirby (2), Joshua D. Simon (3) ((1) Harvard-Smithsonian CfA, (2) Caltech, (3) Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 25 Dec
- arXiv:0912.4734 [pdf]
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Ursa Major II and Coma Berenices
- Virtual Journal - Volume 7, Issue 51 - article #29
- <em >Anna Frebel, Joshua D. Simon, Marla Geha, and Beth Willman</em&gt,
- The Astrophysical Journal - Volume: 708, Issue: 1
- Abstract | References
Uncovering Extremely Metal-Poor Stars in the Milky Way's Ultra-Faint Dwarf Spheroidal Satellite Galaxies
- Virtual Journal - Volume 6, Issue 29 - article #6
- Evan N. Kirby (1), Joshua D. Simon (2), Marla Geha (3), Puragra Guhathakurta (1), Anna Frebel (4) ((1) University of California Santa Cruz/Lick Observatory, (2) California Institute of Technology, (3) Yale University, (4) University of Texas Austin/McDonald Observatory)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 17 Jul
- arXiv:0807.1925 [ps, pdf, other]
The Cosmological Significance of High-Velocity Cloud Complex H
- Virtual Journal - Volume 3, Issue 46 - article #1
- Joshua D. Simon (Caltech), Leo Blitz (UC Berkeley), Andrew A. Cole (Groningen), Martin D. Weinberg (UMass), Martin Cohen (UC Berkeley)
- ArXiv – Astrophysics – November 2005
- astro-ph/0511542 [abs, ps, pdf, other]

Results 1 - 49 of 49

RSS Feed of This Search