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Results 101 - 134 of 134
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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
View article
PDF (835 KB)
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
View article
PDF (709 KB)
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
View article
PDF (1.00 MB)
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
Full text PDF (2.07 MB)
Enhanced article HTML
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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other
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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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other
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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
Tag this article
[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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