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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
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
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
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
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
Iron-Peak Element Abundances in Warm Very Metal-Poor Stars. (arXiv:2304.06899v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 16 - article #1
- Christopher Sneden, Ann Merchant Boesgaard, John J. Cowan, Ian U. Roederer, Elizabeth A. Den Hartog, James E. Lawler
- http://arxiv.org/abs/2304.06899
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
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
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
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
R -process-rich Stellar Streams in the Milky Way
- Virtual Journal - Volume 19, Issue 19 - article #18
- Maude Gull, Anna Frebel, Karina Hinojosa, Ian U. Roederer, Alexander P. Ji,, Kaley Brauer
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/912/1/52
R-process-rich stellar streams in the Milky Way. (arXiv:2102.00066v1 [astro-ph.SR])
- Virtual Journal - Volume 19, Issue 6 - article #7
- Maude Gull (1,2), Anna Frebel (2), Karina Hinojosa (2), Ian U. Roederer (3,4), Alexander P. Ji (5), Kaley Brauer ((1) Department of Astronomy, University of California Berkeley, Berkeley, CA USA, (2) Department of Physics & Kavli Institute for Astrophysics, Space Research, Massachusetts Institute of Technology, Cambridge, MA, USA, (3) Department of Astronomy, University of Michigan, Ann Arbor, MI, USA, (4) Joint Institute for Nuclear Astrophysics - Center for the Evolution of the Elements (JINA-CEE), USA, (5) Observatories of the Carnegie Institution for Science, Pasadena, CA, USA)
- http://arxiv.org/abs/2102.00066
Vanadium Abundance Derivations in 255 Metal-poor Stars
- Virtual Journal - Volume 18, Issue 37 - article #29
- Xiaowei Ou, Ian U. Roederer, Christopher Sneden, John J. Cowan, James E. Lawler, Stephen A. Shectman,, Ian B. Thompson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/900/2/106
Vanadium Abundance Derivations in 255 Metal-poor Stars. (arXiv:2008.05500v1 [astro-ph.SR])
- Virtual Journal - Volume 18, Issue 33 - article #7
- Xiaowei Ou, Ian U. Roederer, Christopher Sneden, John J. Cowan, James E. Lawler, Stephen A. Shectman, Ian B. Thompson
- http://arxiv.org/abs/2008.05500
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
Detailed Iron-Peak Element Abundances in Three Very Metal-Poor Stars. (arXiv:2001.00541v1 [astro-ph.SR])
- Virtual Journal - Volume 18, Issue 1 - article #2
- John J. Cowan, Christopher Sneden, Ian U. Roederer, James E. Lawler, Elizabeth A. Den Hartog, Jennifer S. Sobeck, Ann Merchant Boesgaard
- http://arxiv.org/abs/2001.00541
Evidence for an aspherical Population III supernova explosion inferred from the hyper metal-poor star HE1327-2326. (arXiv:1904.03211v1 [astro-ph.SR])
- Virtual Journal - Volume 17, Issue 15 - article #3
- Rana Ezzeddine, Anna Frebel, Ian U. Roederer, Nozomu Tominaga, Jason Tumlinson, Miho Ishigaki, Ken'ichi Nomoto, Vinicius M. Placco, Wako Aoki
- http://arxiv.org/abs/1904.03211
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
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
Kinematics of Highly R-Process-Enhanced Field Stars: Evidence for an Accretion Origin and Detection of Several Groups from Disrupted Satellites. (arXiv:1808.09467v1 [astro-ph.SR])
- Virtual Journal - Volume 16, Issue 35 - article #9
- Ian U. Roederer (U. Michigan, JINA-CEE), Kohei Hattori (U. Michigan), Monica Valluri (U. Michigan)
- http://arxiv.org/abs/1808.09467
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: 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
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
A New Test of Copper and Zinc Abundances in Late-type Stars Using Ultraviolet Cu ii and Zn ii Lines
- Virtual Journal - Volume 16, Issue 15 - article #30
- Ian U. Roederer, Paul S. Barklem
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/857/1/2
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 Origin of the Heaviest Metals in Most Ultra-faint Dwarf Galaxies
- Virtual Journal - Volume 15, Issue 3 - article #34
- Ian U. Roederer
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/835/1/23
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
The Origin of the Heaviest Metals in Most Ultra-Faint Dwarf Galaxies. (arXiv:1611.05886v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 48 - article #11
- Ian U. Roederer (University of Michigan)
- http://arxiv.org/abs/1611.05886
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
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
The Diverse Origins of Neutron-Capture Elements in the Metal-Poor Star HD 94028: Possible Detection of Products of i-process Nucleosynthesis
- Virtual Journal - Volume 14, Issue 10 - article #17
- Ian U. Roederer (U. Michigan, JINA-CEE), Amanda I. Karakas (Monash U., ANU), Marco Pignatari (U. Hull, Konkoly Observatory, NuGrid collaboration), Falk Herwig (U. Victoria, JINA-CEE, NuGrid collaboration)
- arXiv.org - Astrophysics - Volume: 2016, Issue: 4 Mar
- arXiv:1603.00036 [pdf, other]
Detailed Chemical Abundances in the r-Process-Rich Ultra-Faint Dwarf Galaxy Reticulum 2
- Virtual Journal - Volume 14, Issue 4 - article #5
- Ian U. Roederer (U. Michigan, JINA-CEE), Mario Mateo (U. Michigan), John I. Bailey III (U. Michigan), Yingyi Song (U. Michigan), Eric F. Bell (U. Michigan), Jeffrey D. Crane (Carnegie Observatories), Sarah Loebman (U. Michigan), David L. Nidever (LSST, Steward Observatory), Edward W. Olszewski (Steward Observatory), Stephen A. Shectman (Carnegie Observatories), Ian B. Thompson (Carnegie Observatories), Monica Valluri (U. Michigan), Matthew G. Walker (Carnegie Mellon U.)
- arXiv.org - Astrophysics - Volume: 2016, Issue: 22 Jan
- arXiv:1601.04070 [pdf, other]
Erratum: Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement
- Virtual Journal - Volume 14, Issue 1 - article #10
- Ian U. Roederer, John J. Cowan, George W. Preston, Stephen A. Shectman, Christopher Sneden, and Ian B. Thompson
- Monthly Notices of the Royal Astronomical Society - Volume: 455, Issue: 4
- Extract Full Text (HTML) Full Text (PDF)
Detailed chemical abundances in NGC 5824: another metal-poor globular cluster with internal heavy element abundance variations
- Virtual Journal - Volume 13, Issue 46 - article #30
- Ian U. Roederer, Mario Mateo, John I. Bailey III, Meghin Spencer, Jeffrey D. Crane, and Stephen A. Shectman
- Monthly Notices of the Royal Astronomical Society - Volume: 455, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Detailed Chemical Abundances in NGC 5824: Another Metal-Poor Globular Cluster with Internal Heavy Element Abundance Variations
- Virtual Journal - Volume 13, Issue 39 - article #7
- Ian U. Roederer, Mario Mateo, John I. Bailey III, Meghin Spencer (University of Michigan), Jeffrey D. Crane, Stephen A. Shectman (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 23 Oct
- arXiv:1510.06414 [pdf, ps, other]
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]
Detailed abundances of 15 stars in the metal-poor globular cluster NGC 4833
- Virtual Journal - Volume 13, Issue 16 - article #41
- Ian U. Roederer and Ian B. Thompson
- Monthly Notices of the Royal Astronomical Society - Volume: 449, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Detailed Abundances of 15 Stars in the Metal-Poor Globular Cluster NGC 4833
- Virtual Journal - Volume 13, Issue 10 - article #4
- Ian U. Roederer (University of Michigan), Ian B. Thompson (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 13 Mar
- arXiv:1503.03079 [pdf, ps, other]
Detection of Neutral Phosphorus in the Near-ultraviolet Spectra of Late-type Stars
- Virtual Journal - Volume 12, Issue 25 - article #91
- Ian U. Roederer, Heather R. Jacobson, Thanawuth Thanathibodee, Anna Frebel, and Elizabeth Toller
- The Astrophysical Journal - Volume: 797, Issue: 1
- View article PDF (648 KB)
The Chemical Evolution of Phosphorus
- Virtual Journal - Volume 12, Issue 24 - article #50
- Heather R. Jacobson (MIT), Thanawuth Thanathibodee (MIT), Anna Frebel (MIT), Ian U. Roederer (Michigan), Gabriele Cescutti (AIP), Francesca Matteucci (INAF Trieste)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 7 Nov
- arXiv:1410.8538 [pdf, ps, other]
Nine new metal-poor stars on the subgiant and red horizontal branches with high levels of r-process enhancement
- Virtual Journal - Volume 12, Issue 24 - article #92
- Ian U. Roederer, John J. Cowan, George W. Preston, Stephen A. Shectman, Christopher Sneden, and Ian B. Thompson
- Monthly Notices of the Royal Astronomical Society - Volume: 445, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF)
The Chemical Evolution of Phosphorus
- Virtual Journal - Volume 12, Issue 24 - article #111
- Heather R. Jacobson, Thanawuth Thanathibodee, Anna Frebel, Ian U. Roederer, Gabriele Cescutti, and Francesca Matteucci
- The Astrophysical Journal Letters - Volume: 796, Issue: 2
- View article PDF (453 KB)
Nine New Metal-Poor Stars on the Subgiant and Red Horizontal Branches with High Levels of r-process Enhancement
- Virtual Journal - Volume 12, Issue 22 - article #35
- Ian U. Roederer (U. Michigan), John J. Cowan (U. Oklahoma), George W. Preston, Stephen A. Shectman (Carnegie Observatories), Chris Sneden (U. Texas), Ian B. Thompson (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 26 Sep
- arXiv:1409.5810 [pdf, ps, other]
Hubble Space Telescope Near-ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44°493
- Virtual Journal - Volume 12, Issue 21 - article #149
- Vinicius M. Placco, Timothy C. Beers, Ian U. Roederer, John J. Cowan, Anna Frebel, Dan Filler, Inese I. Ivans, James E. Lawler, Hendrik Schatz, Christopher Sneden, Jennifer S. Sobeck, Wako Aoki, and Verne V. Smith
- The Astrophysical Journal - Volume: 790, Issue: 1
- View article PDF (835 KB)
New Detections of Arsenic, Selenium, and Other Heavy Elements in Two Metal-poor Stars
- Virtual Journal - Volume 12, Issue 21 - article #159
- Ian U. Roederer, Hendrik Schatz, James E. Lawler, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Christopher Sneden, and Jennifer S. Sobeck
- The Astrophysical Journal - Volume: 791, Issue: 1
- View article PDF (871 KB)
New Detections of Arsenic, Selenium, and Other Heavy Elements in Two Metal-Poor Stars
- Virtual Journal - Volume 12, Issue 20 - article #61
- Ian U. Roederer, Hendrik Schatz, James E. Lawler, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Christopher Sneden, Jennifer S. Sobeck
- arXiv.org - Astrophysics - Volume: 2014, Issue: 20 Jun
- arXiv:1406.4554 [pdf, ps, other]
A Search for Stars of Very Low Metal Abundance. VI. Detailed Abundances of 313 Metal-poor Stars
- Virtual Journal - Volume 12, Issue 20 - article #236
- Ian U. Roederer, George W. Preston, Ian B. Thompson, Stephen A. Shectman, Christopher Sneden, Gregory S. Burley, and Daniel D. Kelson
- Astronomical Journal - Volume: 147, Issue: 6
- View article PDF (5.13 MB)
Iron and neutron-capture element abundance variations in the globular cluster M2 (NGC 7089)
- Virtual Journal - Volume 12, Issue 20 - article #247
- David Yong, Ian U. Roederer, Frank Grundahl, Gary S. Da Costa, Amanda I. Karakas, John E. Norris, Wako Aoki, Cherie K. Fishlock, A. F. Marino, A. P. Milone, and Luke J. Shingles
- Monthly Notices of the Royal Astronomical Society - Volume: 441, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
Neutron-capture Nucleosynthesis in the First Stars
- Virtual Journal - Volume 12, Issue 17 - article #45
- Ian U. Roederer, George W. Preston, Ian B. Thompson, Stephen A. Shectman, and Christopher Sneden
- The Astrophysical Journal - Volume: 784, Issue: 2
- View article PDF (1.39 MB)
Detailed abundance analysis of the brightest star in Segue 2, the least massive galaxy
- Virtual Journal - Volume 12, Issue 16 - article #25
- Ian U. Roederer and Evan N. Kirby
- Monthly Notices of the Royal Astronomical Society - Volume: 440, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
A Search for Stars of Very Low Metal Abundance. VI. Detailed Abundances of 313 Metal-Poor Stars
- Virtual Journal - Volume 12, Issue 13 - article #2
- Ian U. Roederer, George W. Preston, Ian B. Thompson, Stephen A. Shectman, Christopher Sneden, Gregory S. Burley, Daniel D. Kelson
- arXiv.org - Astrophysics - Volume: 2014, Issue: 28 Mar
- arXiv:1403.6853 [pdf, other]
Chemical abundances in bright giants of the globular cluster M62 (NGC 6266)
- Virtual Journal - Volume 12, Issue 12 - article #24
- David Yong, Alan Alves Brito, Gary S. Da Costa, Javier Alonso-GarcÃa, Amanda I. Karakas, Marco Pignatari, Ian U. Roederer, Wako Aoki, Cherie K. Fishlock, Frank Grundahl, and John E. Norris
- Monthly Notices of the Royal Astronomical Society - Volume: 439, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Detailed Abundance Analysis of the Brightest Star in Segue 2, the Least Massive Galaxy
- Virtual Journal - Volume 12, Issue 11 - article #9
- Ian U. Roederer (Michigan), Evan N. Kirby (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 14 Mar
- arXiv:1403.2733 [pdf, ps, other]
Neutron-Capture Nucleosynthesis in the First Stars
- Virtual Journal - Volume 12, Issue 8 - article #5
- Ian U. Roederer (University of Michigan), George W. Preston, Ian B. Thompson, Stephen A. Shectman (Carnegie Observatories), Chris Sneden (University of Texas)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 21 Feb
- arXiv:1402.4144 [pdf, ps, other]
Chemical abundances in bright giants of the globular cluster M62 (NGC 6266)
- Virtual Journal - Volume 12, Issue 3 - article #7
- David Yong, Alan Alves Brito, Gary S. Da Costa, Javier Alonso-Garcia, Amanda I. Karakas, Marco Pignatari, Ian U. Roederer, Wako Aoki, Cherie K. Fishlock, Frank Grundahl, John E. Norris
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Jan
- arXiv:1401.3784 [pdf, ps, other]
New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 52 - article #60
- Ian U. Roederer, James E. Lawler, Jennifer S. Sobeck, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Christopher Sneden, and Ian B. Thompson
- The Astrophysical Journal Supplement - Volume: 203, Issue: 2
- Abstract References Cited by Full text PDF (2.07 MB) HTML with Enhancements
Are There Any Stars Lacking Neutron-Capture Elements? Evidence from Strontium and Barium
- Virtual Journal - Volume 10, Issue 46 - article #2
- Ian U. Roederer (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Nov
- arXiv:1211.3427 [pdf, ps, other]
New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 43 - article #14
- Ian U. Roederer, James E. Lawler, Jennifer S. Sobeck, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Christopher Sneden, Ian B. Thompson
- arXiv.org - Astrophysics - Volume: 2012, Issue: 26 Oct
- arXiv:1210.6387 [pdf, ps, other]
Germanium, Arsenic, and Selenium Abundances in Metal-poor Stars
- Virtual Journal - Volume 10, Issue 35 - article #32
- Ian U. Roederer
- The Astrophysical Journal - Volume: 756, Issue: 1
- Abstract References Full text PDF (544 KB) View as HTML
Germanium, Arsenic, and Selenium Abundances in Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 27 - article #4
- Ian U. Roederer (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 6 Jul
- arXiv:1207.0518 [pdf, ps, other]
Detection of Elements at All Three r-process Peaks in the Metal-poor Star HD 160617
- Virtual Journal - Volume 10, Issue 17 - article #49
- Ian U. Roederer and James E. Lawler
- The Astrophysical Journal - Volume: 750, Issue: 1
- Abstract References Full text PDF (1.31 MB) HTML with Enhancements
Detection of Elements at All Three r-process Peaks in the Metal-Poor Star HD 160617
- Virtual Journal - Volume 10, Issue 16 - article #5
- Ian U. Roederer, James E. Lawler
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Apr
- arXiv:1204.3901 [pdf, ps, other]
Detection of the Second r-process Peak Element Tellurium in Metal-poor Stars
- Virtual Journal - Volume 10, Issue 10 - article #32
- Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck and Christopher Sneden
- The Astrophysical Journal Letters - Volume: 747, Issue: 1
- Abstract References Full text PDF (258 KB) View as HTML
Detection of the Second r-process Peak Element Tellurium in Metal-Poor Stars
- Virtual Journal - Volume 10, Issue 7 - article #6
- Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2378 [pdf, ps, other]
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 14 Extremely Metal-poor Stars
- Virtual Journal - Volume 9, Issue 47 - article #35
- Julie K. Hollek, Anna Frebel, Ian U. Roederer, Christopher Sneden, Matthew Shetrone, Timothy C. Beers, Sung-ju Kang and Christopher Thom
- The Astrophysical Journal - Volume: 742, Issue: 1
- Abstract References Full text PDF (1.32 MB) HTML with Enhancements
Heavy-element Dispersion in the Metal-poor Globular Cluster M92
- Virtual Journal - Volume 9, Issue 37 - article #25
- Ian U. Roederer and Christopher Sneden
- Astronomical Journal - Volume: 142, Issue: 1
- doi:10.1088/0004-6256/142/1/22 Tag this article
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 16 Extremely Metal-poor Stars
- Virtual Journal - Volume 9, Issue 34 - article #23
- Julie K. Hollek (UTexas), Anna Frebel (Harvard/CfA), Ian U. Roederer (Carnegie Obs.), Christopher Sneden (UTexas), Matthew Shetrone (McDonald Obs), Timothy C. Beers (Michigan State Univ), Sung-Ju Kang (Iowa State Univ), Christopher Thom (STScI)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 26 Aug
- arXiv:1108.4422 [pdf, ps, other]
r-Process Abundance Signatures in Metal-Poor Halo Stars
- Virtual Journal - Volume 9, Issue 23 - article #8
- John J. Cowan, Ian U. Roederer, Christopher Sneden, James E. Lawler
- arXiv.org - Astrophysics - Volume: 2011, Issue: 10 Jun
- arXiv:1106.1109 [pdf, ps, other]
Heavy Element Dispersion in the Metal-Poor Globular Cluster M92
- Virtual Journal - Volume 9, Issue 17 - article #3
- Ian U. Roederer (Carnegie Observatories), Christopher Sneden (University of Texas)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 29 Apr
- arXiv:1104.5055 [pdf, ps, other]
Primordial r-process Dispersion in Metal-Poor Globular Clusters
- Virtual Journal - Volume 9, Issue 17 - article #5
- Ian U. Roederer (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 29 Apr
- arXiv:1104.5056 [pdf, ps, other]
Primordial r-process Dispersion in Metal-poor Globular Clusters
- Virtual Journal - Volume 9, Issue 15 - article #32
- Ian U. Roederer
- The Astrophysical Journal Letters - Volume: 732, Issue: 1
- Abstract References Full text PDF (376 KB) View as HTML
New Abundance Determinations of Cadmium, Lutetium, and Osmium in the r-process Enriched Star BD+173248
- Virtual Journal - Volume 8, Issue 13 - article #5
- Ian U. Roederer, Christopher Sneden, James E. Lawler, John J. Cowan
- arXiv.org - Astrophysics - Volume: 2010, Issue: 26 Mar
- arXiv:1003.4522 [pdf, ps, other]
Characterizing the Chemistry of the Milky Way Stellar Halo: Detailed Chemical Analysis of a Metal-poor Stellar Stream
- Virtual Journal - Volume 8, Issue 9 - article #57
- <em >Ian U. Roederer, Christopher Sneden, Ian B. Thompson, George W. Preston, and Stephen A. Shectman</em&gt,
- The Astrophysical Journal - Volume: 711, Issue: 2
- Abstract | References
Characterizing the Chemistry of the Milky Way Stellar Halo: Detailed Chemical Analysis of a Metal-Poor Stellar Stream
- Virtual Journal - Volume 8, Issue 3 - article #5
- Ian U. Roederer, Christopher Sneden, Ian B. Thompson, George W. Preston, Stephen A. Shectman
- arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Jan
- arXiv:1001.1745 [ps, pdf, other]
The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy
- Virtual Journal - Volume 7, Issue 24 - article #29
- <em >Ian U. Roederer, Karl-Ludwig Kratz, Anna Frebel, Norbert Christlieb, Bernd Pfeiffer, John J. Cowan, and Christopher Sneden</em&gt,
- The Astrophysical Journal - Volume: 698, Issue: 2
- Abstract | References
The End of Nucleosynthesis: Production of Lead and Thorium in the Early Galaxy
- Virtual Journal - Volume 7, Issue 17 - article #4
- Ian U. Roederer (University of Texas), Karl-Ludwig Kratz (Max-Planck-Institut fur Chemie), Anna Frebel (Harvard-Smithsonian Center for Astrophysics), Norbert Christlieb (Zentrum fur Astronomie der Universitat Heidelberg), Bernd Pfeiffer (Max-Planck-Institut fur Chemie), John J. Cowan (University of Oklahoma), Christopher Sneden (University of Texas)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 24 Apr
- arXiv:0904.3105 [ps, pdf, other]
Chemical Inhomogeneities in the Milky Way Stellar Halo
- Virtual Journal - Volume 6, Issue 52 - article #14
- <em >Ian U. Roederer</em&gt,
- Astronomical Journal - Volume: 137, Issue: 1
- Abstract | References
Chemical Inhomogeneities in the Milky Way Stellar Halo
- Virtual Journal - Volume 6, Issue 43 - article #2
- Ian U. Roederer (University of Texas)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 23 Oct
- arXiv:0810.3648 [ps, pdf, other]
The Hobby-Eberly Telescope Chemical Abundances of Stars in the Halo (CASH) Project. I. The Lithium-, s-, and r-enhanced Metal-poor Giant HKII 17435−00532
- Virtual Journal - Volume 6, Issue 23 - article #21
- Ian U. Roederer, Anna Frebel, Matthew D. Shetrone, Carlos Allende Prieto, Jaehyon Rhee, Roberto Gallino, Sara Bisterzo, Christopher Sneden, Timothy C. Beers, and John J. Cowan
- The Astrophysical Journal - Volume: 679, Issue: 2
- Abstract-Full Text with Enhancements-PDF Version (958 kB)
Europium, Samarium, and Neodymium Isotopic Fractions in Metal‐Poor Stars
- Virtual Journal - Volume 6, Issue 9 - article #4
- Ian U. Roederer, James E. Lawler, Christopher Sneden, John J. Cowan, Jennifer S. Sobeck, and Catherine A. Pilachowski
- The Astrophysical Journal - Volume: 675, Issue: 1
- Abstract-Full Text with Enhancements-PDF Version (834 kB)
The Hobby-Eberly Telescope "Chemical Abundances of Stars in the Halo" (CASH) Project. I. The Lithium-, s-, and r-Enhanced Metal-Poor Giant HKII 17435-00532
- Virtual Journal - Volume 6, Issue 9 - article #13
- Ian U. Roederer, Anna Frebel, Matthew D. Shetrone, Carlos Allende Prieto, Jaehyon Rhee, Roberto Gallino, Sara Bisterzo, Christopher Sneden, Timothy C. Beers, John J. Cowan
- arXiv.org - Astrophysics - Volume: 2008, Issue: 28 Feb
- arXiv:0802.3701 [ps, pdf, other]

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