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, Notre Dame
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Results 1 - 96 of 96
Dynamically Tagged Groups of Very Metal-poor Halo Stars from the HK and Hamburg/ESO Surveys
Volume 16, Issue 4 - article #6
Guilherme Limberg
,
Silvia Rossi
,
Timothy C. Beers
,
Hélio D. Perottoni
,
Angeles Pérez-Villegas
,
Rafael M. Santucci
,
Yuri Abuchaim
,
Vinicius M. Placco
,
Young Sun Lee
,
Norbert Christlieb
,
John E. Norris
,
Michael S. Bessell
,
Sean G. Ryan
,
Ronald Wilhelm
,
Jaehyon Rhee,
,
Anna Frebel
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/907/1/10
Dynamically Tagged Groups of Very Metal-poor Halo Stars from the HK and Hamburg/ESO Surveys. (arXiv:2011.08305v2 [astro-ph.GA] UPDATED)
Volume 15, Issue 50 - article #3
Guilherme Limberg
,
Silvia Rossi
,
Timothy C. Beers
,
Hélio D. Perottoni
,
Angeles Pérez-Villegas
,
Rafael M. Santucci
,
Yuri Abuchaim
,
Vinicius M. Placco
,
Young Sun Lee
,
Norbert Christlieb
,
John E. Norris
,
Michael S. Bessell
,
Sean G. Ryan
,
Ronald Wilhelm
,
Jaehyon Rhee
,
Anna Frebel
http://arxiv.org/abs/2011.08305
Metal-poor Stars Observed with the Southern African Large Telescope
Volume 15, Issue 50 - article #11
Kaitlin C. Rasmussen
,
Joseph Zepeda
,
Timothy C. Beers
,
Vinicius M. Placco
,
Ãric Depagne
,
Anna Frebel
,
Sarah Dietz,
,
Tilman Hartwig
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/905/1/20
Cosmological Insights into the Early Accretion of r -process-enhanced Stars. I. A Comprehensive Chemodynamical Analysis of LAMOST J1109+0754
Volume 15, Issue 45 - article #14
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
Discovery of a Large Population of Nitrogen-enhanced Stars in the Magellanic Clouds
Volume 15, Issue 44 - article #15
José G. Fernández-Trincado
,
Timothy C. Beers
,
Dante Minniti
,
Leticia Carigi
,
Beatriz Barbuy
,
Vinicius M. Placco
,
Christian Moni Bidin
,
Sandro Villanova
,
Alexandre Roman-Lopes,
,
Christian Nitschelm
The Astrophysical Journal Letters
http://iopscience.iop.org/2041-8205/903/1/L17
Detection of Pb II in the Ultraviolet Spectra of Three Metal-poor Stars
Volume 15, Issue 42 - article #8
Ian U. Roederer
,
James E. Lawler
,
Erika M. Holmbeck
,
Timothy C. Beers
,
Rana Ezzeddine
,
Anna Frebel
,
Terese T. Hansen
,
Inese I. Ivans
,
Amanda I. Karakas
,
Vinicius M. Placco,
,
Charli M. Sakari
The Astrophysical Journal Letters
http://iopscience.iop.org/2041-8205/902/1/L24
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])
Volume 15, 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
Detection of Pb II in the Ultraviolet Spectra of Three Metal-Poor Stars. (arXiv:2009.14251v1 [astro-ph.SR])
Volume 15, Issue 40 - article #3
Ian U. Roederer
,
James E. Lawler
,
Erika M. Holmbeck
,
Timothy C. Beers
,
Rana Ezzeddine
,
Anna Frebel
,
Terese T. Hansen
,
Inese I. Ivans
,
Amanda I. Karakas
,
Vinicius M. Placco
,
Charli M. Sakari
http://arxiv.org/abs/2009.14251
Discovery of a large population of Nitrogen-Enhanced stars in the Magellanic Clouds. (arXiv:2010.00024v1 [astro-ph.GA])
Volume 15, Issue 40 - article #5
José
,
G. Fernández-Trincado
,
Timothy C. Beers
,
Dante Minniti
,
Leticia Carigi
,
Beatriz Barbuy
,
Vinicius M. Placco
,
Christian Moni Bidin
,
Sandro Villanova
,
Alexandre Roman-Lopes
,
Christian Nitschelm
http://arxiv.org/abs/2010.00024
The enigmatic globular cluster UKS~1 obscured by the bulge: textit{H}-band discovery of nitrogen-enhanced stars. (arXiv:2010.00020v1 [astro-ph.GA])
Volume 15, Issue 40 - article #13
José
,
G. Fernández-Trincado
,
Dante Minniti
,
Timothy C. Beers
,
Sandro Villanova
,
Doug Geisler
,
Stefano O. Souza
,
Leigh C. Smith
,
Vinicius M. Placco
,
Katherine Vieira
,
Angeles Pérez-Villegas
,
Beatriz Barbuy
,
Alan Alves-Brito
,
Christian Moni Bidin
,
Javier Alonso-García
,
Baitian Tang
,
Tali Palma
http://arxiv.org/abs/2010.00020
The R -Process Alliance: First Magellan/MIKE Release from the Southern Search for R -process-enhanced Stars
Volume 15, Issue 32 - article #12
Rana Ezzeddine
,
Kaitlin Rasmussen
,
Anna Frebel
,
Anirudh Chiti
,
Karina Hinojisa
,
Vinicius M. Placco
,
Alexander P. Ji
,
Timothy C. Beers
,
Terese T. Hansen
,
Ian U. Roederer
,
Charli M. Sakari,
,
Jorge Melendez
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/898/2/150
The R -Process Alliance: Fourth Data Release from the Search for R -process-enhanced Stars in the Galactic Halo
Volume 15, Issue 32 - article #15
Erika M. Holmbeck
,
Terese T. Hansen
,
Timothy C. Beers
,
Vinicius M. Placco
,
Devin D. Whitten
,
Kaitlin C. Rasmussen
,
Ian U. Roederer
,
Rana Ezzeddine
,
Charli M. Sakari
,
Anna Frebel
,
Maria R. Drout
,
Joshua D. Simon
,
Ian B. Thompson
,
Joss Bland-Hawthorn
,
Brad K. Gibson
,
Eva K. Grebel
,
Georges Kordopatis
,
Andrea Kunder
,
Jorge Meléndez
,
Julio F. Navarro
,
Warren A. Reid
,
George Seabroke
,
Matthias Steinmetz
,
Fred Watson,
,
Rosemary F. Ä . Wyse
The Astrophysical Journal Supplement Series
http://iopscience.iop.org/0067-0049/249/2/30
The R -Process Alliance: A Very Metal-poor, Extremely r -process-enhanced Star with [Eu/Fe] = + 2.2, and the Class of r- III Stars
Volume 15, Issue 30 - article #11
Madelyn Cain
,
Anna Frebel
,
Alexander P. Ji
,
Vinicius M. Placco
,
Rana Ezzeddine
,
Ian U. Roederer
,
Kohei Hattori
,
Timothy C. Beers
,
Jorge Meléndez
,
Terese T. Hansen,
,
Charli M. Sakari
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/898/1/40
The R -process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5−455510
Volume 15, Issue 28 - article #17
Vinicius M. Placco
,
Rafael M. Santucci
,
Zhen Yuan
,
Mohammad K. Mardini
,
Erika M. Holmbeck
,
Xilu Wang
,
Rebecca Surman
,
Terese T. Hansen
,
Ian U. Roederer
,
Timothy C. Beers
,
Arthur Choplin
,
Alexander P. Ji
,
Rana Ezzeddine
,
Anna Frebel
,
Charli M. Sakari
,
Devin D. Whitten,
,
Joseph Zepeda
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/897/1/78
The $R$-Process Alliance: Fourth Data Release from the Search for $r$-Process-Enhanced Stars in the Galactic Halo. (arXiv:2007.00749v1 [astro-ph.SR])
Volume 15, Issue 27 - article #4
Erika M. Holmbeck
,
Terese T. Hansen
,
Timothy C. Beers
,
Vinicius M. Placco
,
Devin D. Whitten
,
Kaitlin C. Rasmussen
,
Ian U. Roederer
,
Rana Ezzeddine
,
Charli M. Sakari
,
Anna Frebel
,
Maria R. Drout
,
Joshua D. Simon
,
Ian B. Thompson
,
Joss Bland-Hawthorn
,
Brad K. Gibson
,
Eva K. Grebel
,
Georges Kordopatis
,
Andrea Kunder
,
Jorge Melendez
,
Julio F. Navarro
,
Warren A.Reid
,
George Seabroke
,
Matthias Steinmetz
,
Fred Watson
,
Rosemary F.G. Wyse
http://arxiv.org/abs/2007.00749
The R-process Alliance: First Magellan/MIKE Release from the Southern Search for R-Process-enhanced Stars. (arXiv:2006.07731v1 [astro-ph.SR])
Volume 15, Issue 25 - article #14
Rana Ezzeddine
,
Kaitlin Rasmussen
,
Anna Frebel
,
Anirudh Chiti
,
Karina Hinojisa
,
Vinicius M. Placco
,
Ian U. Roederer
,
Alexander P. Ji
,
Timothy C. Beers
,
Terese T. Hansen
,
Charli M. Sakari
,
Jorge Melendez
http://arxiv.org/abs/2006.07731
The R-Process Alliance: J1521-3538, a very metal-poor, extremely r-process-enhanced star with [Eu/Fe]=+2.2, and the class of r-III stars. (arXiv:2006.08080v1 [astro-ph.SR])
Volume 15, Issue 25 - article #15
Madelyn Cain
(MIT, JINA),
Anna Frebel
(MIT, JINA),
Alexander P. Ji
(Carnegie),
Vinicius M. Placco
(Notre Dame, JINA),
Rana Ezzeddine
(MIT, JINA),
Ian U. Roederer
(U Michigan),
Kohei Hattori
(U Michigan, Carnegie Mellon),
Timothy C. Beers
(Notre Dame, JINA),
Jorge Mélendez
(Sao Paulo),
Terese T. Hansen
(Carnegie),
Charli M. Sakari
(San Francisco State U, JINA)
http://arxiv.org/abs/2006.08080
The R-Process Alliance: The Peculiar Chemical Abundance Pattern of RAVE J183013.5-455510
Volume 15, Issue 24 - article #17
Vinicius M. Placco
,
Rafael M. Santucci
,
Zhen Yuan
,
Mohammad K. Mardini
,
Erika M. Holmbeck
,
Xilu Wang
,
Rebecca Surman
,
Terese T. Hansen
,
Ian U. Roederer
,
Timothy C. Beers
,
Arthur Choplin
,
Alexander P. Ji
,
Rana Ezzeddine
,
Anna Frebel
,
Charli M. Sakari
,
Devin D. Whitten
,
Joseph Zepeda
http://arxiv.org/abs/2006.04538
Identification of a Group III CEMP-no Star in the Dwarf Spheroidal Galaxy Canes Venatici I
Volume 15, Issue 18 - article #17
Jinmi Yoon
,
Devin D. Whitten
,
Timothy C. Beers
,
Young Sun Lee
,
Thomas Masseron,
,
Vinicius M. Placco
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/894/1/7
The Metallicity Gradient and Complex Formation History of the Outermost Halo of the Milky Way
Volume 15, Issue 18 - article #19
Sarah E. Dietz
,
Jinmi Yoon
,
Timothy C. Beers,
,
Vinicius M. Placco
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/894/1/34
Dynamical Relics of the Ancient Galactic Halo
Volume 15, Issue 10 - article #5
Zhen Yuan
,
G. C. Myeong
,
Timothy C. Beers
,
N. W. Evans
,
Young Sun Lee
,
Projjwal Banerjee
,
Dmitrii Gudin
,
Kohei Hattori
,
Haining Li
,
Tadafumi Matsuno
,
Vinicius M. Placco
,
M. C. Smith
,
Devin D. Whitten,
,
Gang Zhao
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/891/1/39
The Metallicity Gradient and Complex Formation History of the Outermost Halo of the Milky Way. (arXiv:1911.11140v1 [astro-ph.GA])
Volume 14, Issue 48 - article #2
Sarah E. Dietz
,
Jinmi Yoon
,
Timothy C. Beers
,
Vinicius M. Placco
http://arxiv.org/abs/1911.11140
Discovery of a New Stellar Subpopulation Residing in the (Inner) Stellar Halo of the Milky Way
Volume 14, Issue 46 - article #17
José G. Fernández-Trincado
,
Timothy C. Beers
,
Vinicius M. Placco
,
Edmundo Moreno
,
Alan Alves-Brito
,
Dante Minniti
,
Baitian Tang
,
Angeles Pérez-Villegas
,
Céline Reylé
,
Annie C. Robin,
,
Sandro Villanova
The Astrophysical Journal Letters
http://iopscience.iop.org/2041-8205/886/1/L8
Identification of a Group III CEMP-no Star in the Dwarf Spheroidal Galaxy Canes Venatici I. (arXiv:1910.10038v1 [astro-ph.SR])
Volume 14, Issue 43 - article #3
Jinmi Yoon
,
Devin D. Whitten
,
Timothy C. Beers
,
Young Sun Lee
,
Vinicius M. Placco
http://arxiv.org/abs/1910.10038
Dynamical Relics of the Ancient Galactic Halo. (arXiv:1910.07538v1 [astro-ph.GA])
Volume 14, Issue 42 - article #1
Zhen Yuan
(1),
G.C. Myeong
(2,3),
Timothy C. Beers
(4),
N. Wyn Evans
(3),
Young Sun Lee
(5),
Projjwal Banerjee
(6),
Dmitrii Gudin
(4),
Kohei Hattori
(7),
Haining Li
(8),
Tadafumi Matsuno
(9),
Vinicius M. Placco
(4),
M. C. Smith
(1),
Devin D. Whitten
(4),
Gang Zhao
(8)
((1) SAO, Shanghai,
(2) CfA, Harvard,
(3) IoA, Cambridge,
(4) Notre Dame,
(5) Chungnam Univ, Daejeon,
(6) Indian Institute of Technology, Palakkad,
(7) CMU, Pittsburgh
(8) NAO, Beijing,
(9) NAOJ, Tokyo)
http://arxiv.org/abs/1910.07538
Constraints on the Galactic Inner Halo Assembly History from the Age Gradient of Blue Horizontal-branch Stars
Volume 14, Issue 42 - article #9
Devin D. Whitten
,
Timothy C. Beers
,
Vinicius M. Placco
,
Rafael M. Santucci
,
Pavel Denissenkov
,
Patricia B. Tissera
,
Andrea MejÃas
,
Nina Hernitschek,
,
Daniela Carollo
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/884/1/67
Metal-poor Stars Observed with the Automated Planet Finder Telescope. II. Chemodynamical Analysis of Six Low-Metallicity Stars in the Halo System of the Milky Way. (arXiv:1906.08439v1 [astro-ph.GA])
Volume 14, Issue 25 - article #4
Mohammad K. Mardini
,
Vinicius M. Placco
,
Ali Taani
,
Haining Li
,
Gang Zhao
http://arxiv.org/abs/1906.08439
Evidence for an Aspherical Population III Supernova Explosion Inferred from the Hyper-metal-poor Star HE 1327–2326
Volume 14, Issue 19 - article #8
Rana Ezzeddine
,
Anna Frebel
,
Ian U. Roederer
,
Nozomu Tominaga
,
Jason Tumlinson
,
Miho Ishigaki
,
Kenâichi Nomoto
,
Vinicius M. Placco,
,
Wako Aoki
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/876/2/97
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])
Volume 14, Issue 16 - article #3
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
Metal-poor Stars Observed with the Automated Planet Finder Telescope. I. Discovery of Five Carbon-enhanced Metal-poor Stars from LAMOST
Volume 14, Issue 16 - article #16
Mohammad K. Mardini
,
Haining Li
,
Vinicius M. Placco
,
Sofya Alexeeva
,
Daniela Carollo
,
Ali Taani
,
Iminhaji Ablimit
,
Liang Wang,
,
Gang Zhao
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/875/2/89
Evidence for an aspherical Population III supernova explosion inferred from the hyper metal-poor star HE1327-2326. (arXiv:1904.03211v1 [astro-ph.SR])
Volume 14, Issue 15 - article #7
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
Volume 14, Issue 14 - article #19
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])
Volume 14, Issue 10 - article #12
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
Abundances and kinematics of carbon-enhanced metal-poor stars in the Galactic halo*; A new classification scheme based on Sr and Ba. (arXiv:1901.05968v1 [astro-ph.SR])
Volume 14, Issue 4 - article #1
Camilla J. Hansen
,
Terese T. Hansen
,
Andreas Koch
,
Tim C. Beers
,
Birgitta Nordström
,
Vinicius M. Placco
,
Johannes Andersen
http://arxiv.org/abs/1901.05968
The R-Process Alliance: Spectroscopic Follow-up of Low-metallicity Star Candidates from the Best & Brightest Survey
Volume 14, Issue 3 - article #15
Vinicius M. Placco
,
Rafael M. Santucci
,
Timothy C. Beers
,
Julio Chanamé
,
MarÃa Paz Sepúlveda
,
Johanna Coronado
,
Silvia Rossi
,
Young Sun Lee
,
Else Starkenburg
,
Kris Youakim
,
Manuel Barrientos
,
Rana Ezzeddine
,
Anna Frebel
,
Terese T. Hansen
,
Erika M. Holmbeck
,
Alexander P. Ji
,
Kaitlin C. Rasmussen
,
Ian U. Roederer
,
Charli M. Sakari,
,
Devin D. Whitten
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/870/2/122
The Origin of the 300 km s −1 Stream near Segue 1
Volume 13, Issue 41 - article #16
Sal Wanying Fu
,
Joshua D. Simon
,
Matthew Shetrone
,
Jo Bovy
,
Timothy C. Beers
,
J. G. Fernández-Trincado
,
Vinicius M. Placco
,
Olga Zamora
,
Carlos Allende Prieto
,
D. A. GarcÃa-Hernández
,
Paul Harding
,
Inese Ivans
,
Richard Lane
,
Christian Nitschelm
,
Alexandre Roman-Lopes,
,
Jennifer Sobeck
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/866/1/42
The R -Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-poor Star with an Extreme R -process Enhancement of [Eu/H] = −0.14
Volume 13, Issue 40 - article #13
Ian U. Roederer
,
Charli M. Sakari
,
Vinicius M. Placco
,
Timothy C. Beers
,
Rana Ezzeddine
,
Anna Frebel,
,
Terese T. Hansen
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/865/2/129
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])
Volume 13, Issue 39 - article #7
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
The R-Process Alliance: A Comprehensive Abundance Analysis of HD 222925, a Metal-Poor Star with an Extreme R-Process Enhancement of [Eu/H] = -0.14. (arXiv:1808.09469v1 [astro-ph.SR])
Volume 13, Issue 35 - article #9
Ian U. Roederer
(U. Michigan, JINA-CEE),
Charli M. Sakari
(U. Washington),
Vinicius M. Placco
(U. Notre Dame, JINA-CEE),
Timothy C. Beers
(U. Notre Dame, JINA-CEE),
Rana Ezzeddine
(MIT, JINA-CEE),
Anna Frebel
(MIT, JINA-CEE),
Terese T. Hansen
(Carnegie Observatories)
http://arxiv.org/abs/1808.09469
The R -Process Alliance: Chemical Abundances for a Trio of r -process-enhanced Stars—One Strong, One Moderate, and One Mild
Volume 13, Issue 35 - article #15
Madelyn Cain
,
Anna Frebel
,
Maude Gull
,
Alexander P. Ji
,
Vinicius M. Placco
,
Timothy C. Beers
,
Jorge Meléndez
,
Rana Ezzeddine
,
Andrew R. Casey
,
Terese T. Hansen
,
Ian U. Roederer,
,
Charli Sakari
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/864/1/43
The R -Process Alliance: Discovery of the First Metal-poor Star with a Combined r - and s -process Element Signature
Volume 13, Issue 32 - article #13
Maude Gull
,
Anna Frebel
,
Madelyn G. Cain
,
Vinicius M. Placco
,
Alexander P. Ji
,
Carlo Abate
,
Rana Ezzeddine
,
Amanda I. Karakas
,
Terese T. Hansen
,
Charli Sakari
,
Erika M. Holmbeck
,
Rafael M. Santucci
,
Andrew R. Casey,
,
Timothy C. Beers
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/862/2/174
Galactic Archeology with the AEGIS Survey: The Evolution of Carbon and Iron in the Galactic Halo
Volume 13, Issue 29 - article #20
Jinmi Yoon
,
Timothy C. Beers
,
Sarah Dietz
,
Young Sun Lee
,
Vinicius M. Placco
,
Gary Da Costa
,
Stefan Keller
,
Christopher I. Owen,
,
Mahavir Sharma
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/861/2/146
The R-Process Alliance: Chemical Abundances for a Trio of R-Process-Enhanced Stars -- One Strong, One Moderate, One Mild. (arXiv:1807.03734v1 [astro-ph.SR])
Volume 13, Issue 28 - article #13
Madelyn Cain
(MIT),
Anna Frebel
(MIT),
Maude Gull
(MIT),
Alexander P. Ji
(Carngie),
Vinicius M. Placco
(Notre Dame),
Timothy C. Beers
(Notre Dame),
Jorge Melendez
(Sao Paulo),
Rana Ezzeddine
(MIT, JINA),
Andrew R. Casey
(Monash),
Terese T. Hansen
(Carnegie),
Ian U. Roederer
(U Michigan),
Charli Sakari
(U Washington)
http://arxiv.org/abs/1807.03734
Galactic Archeology with the AEGIS Survey: The Evolution of Carbon and Iron in the Galactic Halo. (arXiv:1806.04738v1 [astro-ph.SR])
Volume 13, Issue 24 - article #4
Jinmi Yoon
,
Timothy C. Beers
,
Sarah Dietz
,
Young Sun Lee
,
Vinicius M. Placco
,
Gary Da Costa
,
Stefan Keller
,
Christopher I. Owen
,
Mahavir Sharma
http://arxiv.org/abs/1806.04738
The R-Process Alliance: Discovery of the first metal-poor star with a combined r- and s-process element signature. (arXiv:1806.00645v1 [astro-ph.SR])
Volume 13, Issue 23 - article #5
Maude Gull
(MIT),
Anna Frebel
(MIT, JINA),
Madelyn G. Cain
(MIT),
Vinicius M. Placco
(Notre Dame, JINA),
Alexander P. Ji
(carnegie),
Carlo Abate
(Bonn),
Rana Ezzeddine
(JINA, MIT)
Amanda I. Karakas
(Monash),
Terese T. Hansen
(Carnegie),
Charli Sakari
(UW),
Erika M. Holmbeck
(Notre Dame, JINA),
Rafael M. Santucci
(UGoias),
Andrew R. Casey
(Monash),
Timothy C. Beers
(Notre Dame, JINA)
http://arxiv.org/abs/1806.00645
The R -Process Alliance: 2MASS J09544277+5246414, the Most Actinide-enhanced R -II Star Known
Volume 13, Issue 23 - article #7
Erika M. Holmbeck
,
Timothy C. Beers
,
Ian U. Roederer
,
Vinicius M. Placco
,
Terese T. Hansen
,
Charli M. Sakari
,
Christopher Sneden
,
Chao Liu
,
Young Sun Lee
,
John J. Cowan,
,
Anna Frebel
The Astrophysical Journal Letters
http://iopscience.iop.org/2041-8205/859/2/L24
The R-Process Alliance: 2MASS J09544277+5246414, the Most Actinide-Enhanced R-II Star Known. (arXiv:1805.11925v1 [astro-ph.SR])
Volume 13, Issue 22 - article #7
Erika M. Holmbeck
,
Timothy C. Beers
,
Ian U. Roederer
,
Vinicius M. Placco
,
Terese T. Hansen
,
Charli M. Sakari
,
Christopher Sneden
,
Chao Liu
,
Young Sun Lee
,
John J. Cowan
,
Anna Frebel
http://arxiv.org/abs/1805.11925
Spectroscopic Validation of Low-metallicity Stars from RAVE
Volume 13, Issue 22 - article #9
Vinicius M. Placco
,
Timothy C. Beers
,
Rafael M. Santucci
,
Julio Chanamé
,
MarÃa Paz Sepúlveda
,
Johanna Coronado
,
Sean D. Points
,
Catherine C. Kaleida
,
Silvia Rossi
,
Georges Kordopatis
,
Young Sun Lee
,
Gal MatijeviÄ
,
Anna Frebel
,
Terese T. Hansen
,
Erika M. Holmbeck
,
Kaitlin C. Rasmussen
,
Ian U. Roederer
,
Charli M. Sakari,
,
Devin D. Whitten
The Astronomical Journal
http://iopscience.iop.org/1538-3881/155/6/256
The R -process Alliance: First Release from the Southern Search for R -process-enhanced Stars in the Galactic Halo
Volume 13, Issue 19 - article #20
Terese T. Hansen
,
Erika M. Holmbeck
,
Timothy C. Beers
,
Vinicius M. Placco
,
Ian U. Roederer
,
Anna Frebel
,
Charli M. Sakari
,
Joshua D. Simon,
,
Ian B. Thompson
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/858/2/92
Spectroscopic Validation of Low-Metallicity Stars from RAVE. (arXiv:1805.00608v1 [astro-ph.SR])
Volume 13, Issue 18 - article #16
Vinicius M. Placco
,
Timothy C. Beers
,
Rafael M. Santucci
,
Julio Chaname
,
Maria Paz Sepulveda
,
Johanna Coronado
,
Sean D. Points
,
Catherine C. Kaleida
,
Silvia Rossi
,
Georges Kordopatis
,
Young Sun Lee
,
Gal Matijevic
,
Anna Frebel
,
Terese T. Hansen
,
Erika M. Holmbeck
,
Kaitlin C. Rasmussen
,
Ian U. Roederer
,
Charli M. Sakari
,
Devin D. Whitten
http://arxiv.org/abs/1805.00608
The Origin of the 300 km s$^{-1}$ Stream Near Segue 1. (arXiv:1804.08622v1 [astro-ph.GA])
Volume 13, Issue 17 - article #20
Sal Wanying Fu
,
Joshua D. Simon
,
Matthew Shetrone
,
Jo Bovy
,
J. G. Fernández-Trincado
,
Vinicius M. Placco
,
Olga Zamora
,
Carlos Allende Prieto
,
D. A. García-Hernández
,
Paul Harding
,
Inese Ivans
,
Richard Lane
,
Christian Nitschelm
,
Alexandre Roman-Lopes
,
Jennifer Sobeck
http://arxiv.org/abs/1804.08622
The $R$-Process Alliance: First Release from the Southern Search for $r$-Process-Enhanced Stars in the Galactic Halo. (arXiv:1804.03114v1 [astro-ph.SR])
Volume 13, Issue 15 - article #13
Terese T. Hansen
,
Erika M. Holmbeck
,
Timothy C. Beers
,
Vinicius M. Placco
,
Ian U. Roederer
,
Anna Frebel
,
Charli M. Sakari
,
Joshua D. Simon
,
Ian B. Thompson
http://arxiv.org/abs/1804.03114
The r -process Pattern of a Bright, Highly r -process-enhanced Metal-poor Halo Star at [Fe/H] ∼ −2
Volume 13, Issue 7 - article #18
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
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy
Volume 12, Issue 34 - article #18
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. GarcÃa-Hernández
,
Doug Geisler
,
Dante Minniti
,
Vinicius M. Placco
,
Mathias Schultheis
,
Jennifer Sobeck,
,
Sandro Villanova
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/845/2/162
RAVE J203843.2–002333: The First Highly R-process-enhanced Star Identified in the RAVE Survey
Volume 12, Issue 29 - article #21
Vinicius M. Placco
,
Erika M. Holmbeck
,
Anna Frebel
,
Timothy C. Beers
,
Rebecca A. Surman
,
Alexander P. Ji
,
Rana Ezzeddine
,
Sean D. Points
,
Catherine C. Kaleida
,
Terese T. Hansen
,
Charli M. Sakari,
,
Andrew R. Casey
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/844/1/18
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy. (arXiv:1707.03456v1 [astro-ph.GA])
Volume 12, 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
RAVE J203843.2-002333: The first highly r-process-enhanced star identified in the RAVE survey. (arXiv:1706.02934v1 [astro-ph.SR])
Volume 12, Issue 24 - article #10
Vinicius M. Placco
,
Erika M. Holmbeck
,
Anna Frebel
,
Timothy C. Beers
,
Rebecca A. Surman
,
Alexander P. Ji
,
Rana Ezzeddine
,
Sean D. Points
,
Catherine C. Kaleida
,
Terese T. Hansen
,
Charli M. Sakari
,
Andrew R. Casey
http://arxiv.org/abs/1706.02934
Bright Metal-Poor Stars from the Hamburg/ESO Survey. II. A Chemodynamical Analysis
Volume 12, Issue 3 - article #7
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
Identification of Neodymium in the Apogee H-Band Spectra
Volume 11, Issue 50 - article #17
Sten Hasselquist
,
Matthew Shetrone
,
Katia Cunha
,
Verne V. Smith
,
Jon Holtzman
,
J. E. Lawler
,
Carlos Allende Prieto
,
Timothy C. Beers
,
Drew Chojnowski
,
J. G. Fernández-Trincado
,
D. A. GarcÃa-Hernández
,
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
Volume 11, Issue 50 - article #18
Jinmi Yoon
,
Timothy C. Beers
,
Vinicius M. Placco
,
Kaitlin C. Rasmussen
,
Daniela Carollo
,
Siyu He
,
Terese T. Hansen
,
Ian U. Roederer,
,
Jeff Zeanah
The Astrophysical Journal
http://iopscience.iop.org/0004-637X/833/1/20
OBSERVATIONAL CONSTRAINTS ON FIRST-STAR NUCLEOSYNTHESIS. II. SPECTROSCOPY OF AN ULTRA METAL-POOR CEMP-NO STAR
Volume 11, Issue 50 - article #19
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])
Volume 11, 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
G64-12 and G64-37 Are Carbon-enhanced Metal-poor Stars
Volume 11, Issue 39 - article #22
Vinicius M. Placco
,
Timothy C. Beers
,
Henrique Reggiani,
,
Jorge Meléndez
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])
Volume 11, Issue 37 - article #9
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])
Volume 11, Issue 37 - article #12
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])
Volume 11, Issue 30 - article #6
Jinmi Yoon
,
Timothy C. Beers
,
Vinicius M. Placco
,
Kaitlin C. Rasmussen
,
Daniela Carollo
,
Siyu He
,
Terese T. Hansen
,
Ian U. Roederer
http://arxiv.org/abs/1607.06336
2MASS J18082002-5104378: The brightest (V=11.9) ultra metal-poor star
Volume 11, Issue 3 - article #1
Jorge Melendez
,
Vinicius M. Placco
,
Marcelo Tucci-Maia
,
Ivan Ramirez
,
Ting S. Li
,
Gabriel Perez
arXiv.org - Astrophysics - Volume: 2016, Issue: 15 Jan
arXiv:1601.03462
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The Chemical Abundances of Stars in the Halo (CASH) Project. III. A New Classification Scheme for Carbon-enhanced Metal-poor Stars with s-process Element Enhancement
Volume 10, Issue 44 - article #26
Julie K. Hollek
,
Anna Frebel
,
Vinicius M. Placco
,
Amanda I. Karakas
,
Matthew Shetrone
,
Christopher Sneden
,
and
Norbert Christlieb
The Astrophysical Journal - Volume: 814, Issue: 2
View article
PDF (1.65 MB)
Chronography of the Milky Way's Halo System with Field Blue Horizontal-branch Stars
Volume 10, Issue 42 - article #14
Rafael M. Santucci
,
Timothy C. Beers
,
Vinicius M. Placco
,
Daniela Carollo
,
Silvia Rossi
,
Young Sun Lee
,
Pavel Denissenkov
,
Jason Tumlinson
,
and
Patricia B. Tissera
The Astrophysical Journal Letters - Volume: 813, Issue: 1
View article
PDF (1.30 MB)
The Fractions of Inner- and Outer-halo Stars in the Local Volume
Volume 10, Issue 42 - article #17
Deokkeun An
,
Timothy C. Beers
,
Rafael M. Santucci
,
Daniela Carollo
,
Vinicius M. Placco
,
Young Sun Lee
,
and
Silvia Rossi
The Astrophysical Journal Letters - Volume: 813, Issue: 2
View article
PDF (542 KB)
The Chemical Abundances of Stars in the Halo (CASH) Project. III. A New Classification Scheme for Carbon-Enhanced Metal-poor Stars with S-process Element Enhancement
Volume 10, Issue 40 - article #16
Julie K. Hollek
(UT/JINA),
Anna Frebel
(MIT/JINA),
Vinicius M. Placco
(U Notre Dame/JINA),
Amanda I. Karakas
(ANU),
Matthew Shetrone
(UT/McDonald Obs.),
Christopher Sneden
(UT),
Norbert Christlieb
(Heidelberg)
arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Oct
arXiv:1510.06825
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The Fractions of Inner- and Outer-Halo Stars in the Local Volume
Volume 10, Issue 40 - article #18
Deokkeun An
,
Timothy C. Beers
,
Rafael M. Santucci
,
Daniela Carollo
,
Vinicius M. Placco
,
Young Sun Lee
,
Silvia Rossi
arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Oct
arXiv:1510.07630
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Hubble Space Telescope Near-Ultraviolet Spectroscopy of Bright CEMP-s Stars
Volume 10, Issue 31 - article #4
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
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SD 1313-0019 -- Another second-generation star with [Fe/H] = -5.0, observed with the Magellan Telescope
Volume 10, Issue 25 - article #14
Anna Frebel
(MIT),
Anirudh Chiti
(MIT),
Alexander P. Ji
(MIT),
Heather R. Jacobson
(MIT),
Vinicius M. Placco
(Notre Dame U/JINA)
arXiv.org - Astrophysics - Volume: 2015, Issue: 10 Jul
arXiv:1507.01973
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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
Volume 10, Issue 25 - article #20
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
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The Frequency of Field Blue-Straggler Stars in the Thick Disk and Halo System of the Galaxy
Volume 10, Issue 10 - article #26
Rafael M. Santucci
,
Vinicius M. Placco
,
Silvia Rossi
,
Timothy C. Beers
,
Henrique M. Reggiani
,
Young Sun Lee
,
Xiang-Xiang Xue
,
and
Daniela Carollo
The Astrophysical Journal - Volume: 801, Issue: 2
View article
PDF (2.55 MB)
The Frequency of Field Blue-Straggler Stars in the Thick Disk and Halo System of the Galaxy
Volume 10, Issue 2 - article #8
Rafael M. Santucci
,
Vinicius M. Placco
,
Silvia Rossi
,
Timothy C. Beers
,
Henrique M. Reggiani
,
Young Sun Lee
,
Xiang-Xiang Xue
,
Daniela Carollo
arXiv.org - Astrophysics - Volume: 2015, Issue: 16 Jan
arXiv:1501.03559
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Carbon-enhanced Metal-poor Star Frequencies in the Galaxy: Corrections for the Effect of Evolutionary Status on Carbon Abundances
Volume 9, Issue 25 - article #54
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
and
Richard J. Stancliffe
The Astrophysical Journal - Volume: 797, Issue: 1
View article
PDF (1.10 MB)
Carbon-Enhanced Metal-Poor Star Frequencies in the Galaxy: Corrections for the Effect of Evolutionary Status on Carbon Abundances
Volume 9, Issue 23 - article #1
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
Richard J. Stancliffe
arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Oct
arXiv:1410.2223
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Population Studies. XIII. A New Analysis of the Bidelman-MacConnell "Weak-metal" Stars—Confirmation of Metal-poor Stars in the Thick Disk of the Galaxy
Volume 9, Issue 23 - article #65
Timothy C. Beers
,
John E. Norris
,
Vinicius M. Placco
,
Young Sun Lee
,
Silvia Rossi
,
Daniela Carollo
,
and
Thomas Masseron
The Astrophysical Journal - Volume: 794, Issue: 1
View article
PDF (871 KB)
Population Studies. XIII. A New Analysis of the Bidelman-MacConnell "Weak-Metal" Stars - Confirmation of Metal-Poor Stars in the Thick Disk of the Galaxy
Volume 9, Issue 21 - article #14
Timothy C. Beers
,
John E. Norris
,
Vinicius M. Placco
,
Young Sun Lee
,
Silvia Rossi
,
Daniela Carollo
,
Thomas Masseron
arXiv.org - Astrophysics - Volume: 2014, Issue: 15 Aug
arXiv:1408.3165
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Carbon-enhanced Metal-poor Stars: CEMP-
s
and CEMP-no Subclasses in the Halo System of the Milky Way
Volume 9, Issue 21 - article #64
Daniela Carollo
,
Ken Freeman
,
Timothy C. Beers
,
Vinicius M. Placco
,
Jason Tumlinson
,
and
Sarah L. Martell
The Astrophysical Journal - Volume: 788, Issue: 2
View article
PDF (774 KB)
Hubble Space Telescope
Near-ultraviolet Spectroscopy of the Bright CEMP-no Star BD+44°493
Volume 9, Issue 21 - article #73
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
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Seven New Carbon-enhanced Metal-poor RR Lyrae Stars
Volume 9, Issue 20 - article #181
Catherine R. Kennedy
,
Richard J. Stancliffe
,
Charles Kuehn
,
Timothy C. Beers
,
T. D. Kinman
,
Vinicius M. Placco
,
Henrique Reggiani
,
Silvia Rossi
,
and
Young Sun Lee
The Astrophysical Journal - Volume: 787, Issue: 1
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Seven New Carbon-Enhanced Metal-Poor RR Lyrae Stars
Volume 9, Issue 14 - article #11
Catherine R. Kennedy
,
Richard J. Stancliffe
,
Charles Kuehn
,
Timothy C. Beers
,
T. D. Kinman
,
Vinicius M. Placco
,
Henrique Reggiani
,
Silvia Rossi
,
Young Sun Lee
arXiv.org - Astrophysics - Volume: 2014, Issue: 4 Apr
arXiv:1404.0120
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Metal-poor Stars Observed with the Magellan Telescope. II. Discovery of Four Stars with [Fe/H] ≤ –3.5
Volume 9, Issue 4 - article #47
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
Norbert Christlieb
,
Young Sun Lee
,
Catherine R. Kennedy
,
Silvia Rossi
,
and
Rafael M. Santucci
The Astrophysical Journal - Volume: 781, Issue: 1
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Metal-Poor Stars Observed with the Magellan Telescope II. Discovery of Four Stars with [Fe/H] < -3.5
Volume 8, Issue 48 - article #6
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
Norbert Christlieb
,
Young Sun Lee
,
Catherine R. Kennedy
,
Silvia Rossi
,
Rafael M. Santucci
arXiv.org - Astrophysics - Volume: 2013, Issue: 2 Dec
arXiv:1311.5855
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Metal-Poor Stars Observed with the Magellan Telescope II. Discovery of Four Stars with [Fe/H] < -3.5
Volume 8, Issue 48 - article #15
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
Norbert Christlieb
,
Young Sun Lee
,
Catherine R. Kennedy
,
Silvia Rossi
,
Rafael M. Santucci
arXiv.org - Astrophysics - Volume: 2013, Issue: 25 Nov
arXiv:1311.5855
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Carbon-enhanced Metal-poor Stars in SDSS/SEGUE. I. Carbon Abundance Estimation and Frequency of CEMP Stars
Volume 8, Issue 42 - article #2
Young Sun Lee
,
Timothy C. Beers
,
Thomas Masseron
,
Bertrand Plez
,
Constance M. Rockosi
,
Jennifer Sobeck
,
Brian Yanny
,
Sara Lucatello
,
Thirupathi Sivarani
,
Vinicius M. Placco
,
Daniela Carollo
arXiv.org - Astrophysics - Volume: 2013, Issue: 18 Oct
arXiv:1310.3276
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Metal-poor Stars Observed with the Magellan Telescope. I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing
s
-process Nucleosynthesis
Volume 8, Issue 23 - article #23
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
Amanda I. Karakas
,
Catherine R. Kennedy
,
Silvia Rossi
,
Norbert Christlieb
,
and
Richard J. Stancliffe
The Astrophysical Journal - Volume: 770, Issue: 2
Abstract
References
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Metal-Poor Stars Observed with the Magellan Telescope I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-Process Nucleosynthesis
Volume 8, Issue 18 - article #7
Vinicius M. Placco
,
Anna Frebel
,
Timothy C. Beers
,
Amanda I. Karakas
,
Catherine R. Kennedy
,
Silvia Rossi
,
Norbert Christlieb
,
Richard J. Stancliffe
arXiv.org - Astrophysics - Volume: 2013, Issue: 3 May
arXiv:1304.7869
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Searches for Metal-Poor Stars from the Hamburg/ESO Survey using the CH G-band
Volume 6, Issue 38 - article #15
Vinicius M. Placco
,
Catherine R. Kennedy
,
Timothy C. Beers
,
Norbert Christlieb
,
Silvia Rossi
,
Thirupathi Sivarani
,
Young Sun Lee
,
Dieter Reimers
,
Lutz Wisotzki
arXiv.org - Astrophysics - Volume: 2011, Issue: 23 Sep
arXiv:1109.3993
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[O/Fe] Estimates for Carbon-enhanced Metal-poor Stars from Near-infrared Spectroscopy
Volume 6, Issue 7 - article #19
Catherine R. Kennedy
,
Thirupathi Sivarani
,
Timothy C. Beers
,
Young Sun Lee
,
Vinicius M. Placco
,
Silvia Rossi
,
Norbert Christlieb
,
Falk Herwig
and
Bertrand Plez
Astronomical Journal - Volume: 141, Issue: 3
doi:
10.1088/0004-6256/141/3/102
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[O/Fe] Estimates for Carbon-Enhanced Metal-Poor Stars from Near-IR Spectroscopy
Volume 6, Issue 2 - article #13
Catherine R. Kennedy
,
Thirupathi Sivarani
,
Timothy C. Beers
,
Young Sun Lee
,
Vinicius M. Placco
,
Silvia Rossi
,
Norbert Christlieb
,
Falk Herwig
,
Bertrand Plez
arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Jan
arXiv:1101.2260
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A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
Volume 5, Issue 7 - article #14
<em >Vinicius M. Placco
,
Catherine R. Kennedy
,
Silvia Rossi
,
Timothy C. Beers
,
Young Sun Lee
,
Norbert Christlieb
,
Thirupathi Sivarani
,
Dieter Reimers
,
and
Lutz Wisotzki</em>
,
Astronomical Journal - Volume: 139, Issue: 3
Abstract
|
References
A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
Volume 5, Issue 3 - article #1
Vinicius M. Placco
,
Catherine R. Kennedy
,
Silvia Rossi
,
Timothy C. Beers
,
Young Sun Lee
,
Norbert Christlieb
,
Thirupathi Sivarani
,
Dieter Reimers
,
Lutz Wisotzki
arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Jan
arXiv:1001.2512
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