Virtual Journal of Nuclear Astrophysics
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, Michigan State University and
Fry Fang
, University of Notre Dame
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Results 1 - 28 of 28
Abundance analysis of a CEMP-no star in the Carina dwarf spheroidal galaxy. (arXiv:1706.06599v1 [astro-ph.SR])
Virtual Journal - Volume 15, Issue 25 - article #1
A. Susmitha
,
A. Koch
,
T. Sivarani
http://arxiv.org/abs/1706.06599
Abundance analysis of SDSS J134338.67+484426.6; an extremely metal-poor star from the MARVELS pre-survey
Virtual Journal - Volume 14, Issue 10 - article #1
A. Susmitha Rani
,
T. Sivarani
,
T.C. Beers
,
S. Fleming
,
S. Mahadevan
,
J. Ge
arXiv.org - Astrophysics - Volume: 2016, Issue: 4 Mar
arXiv:1603.00480
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The Hamburg/ESO R-process Enhanced Star survey (HERES) VIII. The r+s star HE 1405 0822
Virtual Journal - Volume 11, Issue 34 - article #16
W.Y. Cui
,
T. Sivarani
,
N. Christlieb
arXiv.org - Astrophysics - Volume: 2013, Issue: 23 Aug
arXiv:1308.4492
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Carbon-Enhanced Metal-Poor Stars in the Inner and Outer Halo Components of the Milky Way
Virtual Journal - Volume 9, Issue 11 - article #6
D. Carollo
,
T.C. Beers
,
J. Bovy
,
T. Sivarani
,
J.E. Norris
,
K.C. Freeman
,
W. Aoki
,
Y.S. Lee
arXiv.org - Astrophysics - Volume: 2011, Issue: 18 Mar
arXiv:1103.3067
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First stars XIII. Two extremely metal-poor RR Lyrae stars?
Virtual Journal - Volume 9, Issue 2 - article #3
C. J. Hansen
,
B. Nordstroem
,
P. Bonifacio
,
M. Spite
,
J. Andersen
,
T. C. Beers
,
R. Cayrel
,
F. Spite
,
P. Molaro
,
B. Barbuy
,
E. Depagne
,
P. Francois V. Hill
,
B. Plez
,
T. Sivarani
arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Jan
arXiv:1101.2207
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The metal-poor end of the Spite plateau. 1: Stellar parameters, metallicities and lithium abundances
Virtual Journal - Volume 8, Issue 13 - article #9
L. Sbordone
(1 and 2 and 3),
P. Bonifacio
(1 and 2 and 4),
E. Caffau
(2),
H.-G. Ludwig
(1 and 2 and 5),
N. T. Behara
(1 and 2 and 6),
J. I. Gonzalez Hernandez
(1 and 2 and 7),
M. Steffen
(8),
R. Cayrel
(9),
B. Freytag
(9),
C. Van't Veer
(2),
P. Molaro
(4),
B. Plez
(10),
T. Sivarani
(11),
M. Spite
(2),
F. Spite
(2),
T. C. Beers
(12),
N. Christlieb
(5),
P. Francois
(2),
V. Hill
(2 and 13)
((1) CIFIST Marie Curie Excellence Team,
(2) GEPI - Observatoire de Paris France,
(3) Max Planck Institute for Astrophysics Garching Germany,
(4) INAF - Oss. Trieste Italy,
(5) Landessternwarte Heidelberg Germany,
(6) Universite' Libre de Bruxelles Belgium,
(7) Universidad Complutense de Madrid Spain,
(8) Astrophysikalische Institut Pottsdam Germany,
(9) Ecole Normale Superieure de Lyon France,
(10) Universite' Montpellier France,
(11) Indian Institute for Astrophysiscs Bangalore India,
(12) Michigan State University USA,
(13) Observatoire de la Cote d'Azur Nice France)
arXiv.org - Astrophysics - Volume: 2010, Issue: 26 Mar
arXiv:1003.4510
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Automated Determination of [Fe/H] and [C/Fe] from Low-Resolution Spectroscopy
Virtual Journal - Volume 7, Issue 27 - article #3
B. Marsteller
,
T. C. Beers
,
T. Sivarani
,
S. Rossi
,
V. Placco
,
G. R. Knapp
,
J. A. Johnson
,
S. Lucatello
arXiv.org - Astrophysics - Volume: 2009, Issue: 3 Jul
arXiv:0907.0258
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other
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Carbon Abundances of Three Carbon-Enhanced Metal-Poor Stars from High-Resolution Gemini-S/bHROS Spectra of the 8727A [C I] Line
Virtual Journal - Volume 6, Issue 37 - article #4
S.C. Schuler
(CTIO),
S.J. Margheim
(Gemini),
T. Sivarani
(MSU),
M. Asplund
(MPA),
V.V. Smith
(CTIO),
K. Cunha
(CTIO),
T.C. Beers
(MSU)
arXiv.org - Astrophysics - Volume: 2008, Issue: 11 Sep
arXiv:0809.1377
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First stars X. The nature of three unevolved carbon-enhanced metal-poor stars
Virtual Journal - Volume 6, Issue 36 - article #17
T. Sivarani
,
T. C. Beers
,
P. Bonifacio
,
P. Molaro
,
R. Cayrel
,
F. Herwig
,
M. Spite
,
F. Spite
,
B. Plez
,
J. Andersen
,
B. Barbuy
,
E. Depagne
,
V. Hill
,
P. François
,
B. Nordström
and
F. Primas
Astronomy and Astrophysics - Volume: 459, Issue: 1
Abstract
|
Full HTML
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PDF file (270 KB)
|
PS file (535 KB)
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References
First stars VII - Lithium in extremely metal poor dwarfs
Virtual Journal - Volume 6, Issue 36 - article #23
P. Bonifacio
,
P. Molaro
,
T. Sivarani
,
R. Cayrel
,
M. Spite
,
F. Spite
,
B. Plez
,
J. Andersen
,
B. Barbuy
,
T. C. Beers
,
E. Depagne
,
V. Hill
,
P. François
,
B. Nordström
,
and
F. Primas
Astronomy and Astrophysics - Volume: 462, Issue: 3
Abstract
|
Full HTML
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PDF file (679.6 KB)
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References
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Online Material
Estimation of stellar atmospheric parameters from SDSS/SEGUE spectra
Virtual Journal - Volume 6, Issue 36 - article #38
P. Re Fiorentin
,
C. A. L. Bailer-Jones
,
Y. S. Lee
,
T. C. Beers
,
T. Sivarani
,
R. Wilhelm
,
C. Allende Prieto
,
and
J. E. Norris
Astronomy and Astrophysics - Volume: 467, Issue: 3
Abstract
|
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PDF file (2.361 MB)
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PS file (3.735 MB)
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References
First stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876-032
Virtual Journal - Volume 6, Issue 9 - article #5
J. I. González Hernández
,
P. Bonifacio
,
H.-G. Ludwig
,
E. Caffau
,
M. Spite
,
F. Spite
,
R. Cayrel
,
P. Molaro
,
V. Hill
,
P. François
,
B. Plez
,
T. C. Beers
,
T. Sivarani
,
J. Andersen
,
B. Barbuy
,
E. Depagne
,
B. Nordström
,
and
F. Primas
Astronomy and Astrophysics - Volume: 480, Issue: 1
Abstract
|
PDF file (648.5 KB)
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PS file (240.7 KB)
The ESO Large Programme First Stars
Virtual Journal - Volume 6, Issue 2 - article #36
P. Bonifacio
(1,2,3),
J. Andersen
(4,5),
S. Andrievsky
(6),
B. Barbuy
(7),
T. C. Beers
(8),
E. Caffau
(2),
R. Cayrel
(2),
E. Depagne
(9),
P. Francois
(2),
J. I. Gonzalez Hernandez
(1,2),
C. J. Hansen
(10),
F. Herwig
(11),
V. Hill
(2),
S. A. Korotin
(6),
H.-G. Ludwig
(1,2),
P. Molaro
(3),
B. Nordstrom
(4),
B. Plez
(12),
F. Primas
(10),
T. Sivarani
(8),
F. Spite
(2),
M. Spite
(2)
((1) CIFIST Marie Curie Excellence Team,
(2) GEPI, Observatoire de Paris, CNRS, Universite' Paris Diderot,
(3) Istituto Nazionale di Astrofisica, Osservatorio Astronomico di Trieste,
(4) The Niels Bohr Institute, Astronomy,
(5) Nordic Optical Telescope,
(6) Department of Astronomy and Astronomical Observatory, Odessa National University,
(7) Universidade de Sao Paulo, Departamento de Astronomia,
(8) Department of Physics & Astronomy and JINA: Joint Institute for Nuclear Astrophysics, Michigan State University,
(9) Las Cumbres Observatory, Santa Barbara,
(10) European Southern Observatory
(ESO),
(11) Keele Astrophysics Group, School of Physical and Geographical Sciences, Keele University,
(12) GRAAL, Université de Montpellier II)
arXiv.org - Astrophysics - Volume: 2008, Issue: 10 Jan
arXiv:0801.1293
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First Stars XI. Chemical composition of the extremely metal-poor dwarfs in the binary CS 22876--032
Virtual Journal - Volume 5, Issue 51 - article #27
J. I. González Hernández
,
P. Bonifacio
,
H.-G. Ludwig
,
E. Caffau
,
M. Spite
,
F. Spite
,
R. Cayrel
,
P. Molaro
,
V. Hill
,
P. François
,
B. Plez
,
T. C. Beers
,
T. Sivarani
,
J. Andersen
,
B. Barbuy
,
E. Depagne
,
B. Nordström
,
F. Primas
arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
arXiv:0712.2949
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The SEGUE Stellar Parameter Pipeline. I. Description and Initial Validation Tests
Virtual Journal - Volume 5, Issue 44 - article #29
Y.S. Lee
(1),
T.C. Beers
(1),
T. Sivarani
(1),
C. Allende Prieto
(2),
L. Koesterke
(2),
R. Wilhelm
(3),
J.E. Norris
(4),
C.A.L. Bailer-Jones
(5),
P. Re Fiorentin
(5),
C.M. Rockosi
(6),
B. Yanny
(7),
H. Newberg
(8),
K.R. Covey
(9)
((1) Michigan State University and JINA,
(2) University of Texas,
(3) Texas Tech University,
(4) Australian National University,
(5) MPIA, Heidelberg,
(6) UC Santa Cruz,
(7) FNAL,
(8) Rensselaer Polytechnical University,
(9) Harvard-Smithsonian Center for Astrophysics)
arXiv.org - Astrophysics - Volume: 2007, Issue: 1 Nov
arXiv:0710.5645
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]
The SEGUE Stellar Parameter Pipeline. II. Validation with Galactic Globular and Open Clusters
Virtual Journal - Volume 5, Issue 44 - article #30
Y.S. Lee
(1),
T.C. Beers
(1),
T. Sivarani
(1),
J.A. Johnson
(2),
D. An
(2),
R. Wilhelm
(3),
C. Allende Prieto
(4),
L. Koesterke
(4),
P. Re Fiorentin
(5),
C.A.L. Bailer-Jones
(5),
J.E. Norris
(6),
B. Yanny
(7),
C.M. Rockosi
,
(8),
H.J. Newberg
(9),
K.M. Cudworth
,
(10),
K. Pan
(11)
((1) MIchigan State University and JINA,
(2) Ohio State University,
(3) Texas Tech University,
(4) University of Texas,
(5) MPIA, Heidelberg,
(6) Australian National University,
(7) FNAL,
(8) UC Santa Cruz,
(9) Rensselaer Polytechnical Institute,
(10) Yerkes Observatory,
(11) Apache Point Observatory)
arXiv.org - Astrophysics - Volume: 2007, Issue: 1 Nov
arXiv:0710.5778
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The SEGUE Stellar Parameter Pipeline. III. Comparison with High-Resolution Spectroscopy of SDSS/SEGUE Field Stars
Virtual Journal - Volume 5, Issue 44 - article #31
C. Allende Prieto
(1),
T. Sivarani
(2),
T.C. Beers
(2),
Y.S. Lee
(2),
L. Koesterke
(1),
M. Shetrone
(1),
C. Sneden
(1),
D.L. Lambert
(1),
R. Wilhelm
(3),
C.M. Rockosi
(4),
D. Lai
(4),
B. Yanny
(5),
I.I. Ivans
(6),
J.A. Johnson
(7),
W. Aoki
(8),
C.A.L. Bailer-Jones
(9),
P. Re Fiorentin
(9)
((1) University of Texas,
(2) Michigan State University and JINA,
(3) Texas Tech University,
(4) U.C. Santa Cruz,
(5) FNAL,
(6) Carnegie Observatories and Princeton University,
(7) Ohio State University,
(8) National Astronomical Observatory of Japan,
(9) MPIA, Heidelberg)
arXiv.org - Astrophysics - Volume: 2007, Issue: 1 Nov
arXiv:0710.5780
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Fluorine in a Carbon-Enhanced Metal-Poor Star
Virtual Journal - Volume 5, Issue 31 - article #18
S.C. Schuler
(NOAO/Ctio),
K. Cunha
(NOAO),
V.V. Smith
(NOAO),
T. Sivarani
(MSU),
T.C. Beers
(MSU),
Y.S. Lee
(MSU)
ArXiv - Astrophysics
arXiv:0707.4252
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other
]
The Dichotomy of the Galactic Halo of the Milky Way
Virtual Journal - Volume 5, Issue 25 - article #11
D. Carollo
(1),
T.C. Beers
(2),
Y. S. Lee
(2),
M. Chiba
(3),
J.E. Norris
(4),
R. Wilhelm
(5),
T. Sivarani
(2),
B. Marsteller
(2),
J.A. Munn
(6),
C.A.L. Bailer-Jones
(7),
P. Re Fiorentin
(7),
D.G. York
(8)
((1) Osservatorio Astronomico di Torino, Italy,
(2) Michigan State Univ.,
(3) Univ. of Tohoku, Japan,
(4) Univ. of Australia,
(5) Texas Tech Univ.,
(6) USNO, Flagstaff,
(7) MPIA, Heidelberg, Germany,
(8) Univ. of Chicago)
ArXiv - Astrophysics
arXiv:0706.3005
[
pdf
]
Estimation of stellar atmospheric parameters from SDSS/SEGUE spectra
Virtual Journal - Volume 5, Issue 11 - article #16
P. Re Fiorentin
,
C.A.L. Bailer-Jones
,
Y.S. Lee
,
T.C. Beers
,
T. Sivarani
,
R. Wilhelm
,
C. Allende Prieto
,
J.E. Norris
ArXiv - Astrophysics
astro-ph/0703309 [
abs
,
pdf
,
other
]
From First Stars to the Spite Plateau: A Possible Reconciliation of Halo Stars Observations with Predictions from Big Bang Nucleosynthesis
Virtual Journal - Volume 4, Issue 49 - article #2
L. Piau
,
T. C. Beers
,
D. S. Balsara
,
T. Sivarani
,
J. W. Truran
,
and
J. W. Ferguson
The Astrophysical Journal - Volume653, Issue 1
ABSTRACT
,
FULL TEXT WITH ENHANCEMENTS
,
PDF
(436 kB),
PS
First stars VII. Lithium in extremely metal poor dwarfs
Virtual Journal - Volume 4, Issue 41 - article #11
P. Bonifacio
(1,2,3),
P. Molaro
(2,3),
T. Sivarani
(4),
R. Cayrel
(2),
M.Spite
(2),
F. Spite
(2),
B. Plez
(5),
J. Andersen
(6,7),
B. Barbuy
(8),
T.C. Beers
(4),
E. Depagne
(9),
V. Hill
(2),
P. Francois
(2),
B. Nordstrom
(6),
F. Primas
(10)
((1) CIFIST,
(2) Observatoire de Paris,
(3) INAF - OA Trieste,
(4) Michigan State University & JINA,
(5) GRAAL, Univ. Montpellier II,
(6) The Niels Bohr Institute,
(7) Nordic Optical Telescope,
(8) Universidade de Sao Paulo, Departamento de Astronomia,
(9) European Southern Observatory, Santiago,
(10) European Southern Observatory, Garching)
ArXiv - Astrophysics
astro-ph/0610245 [
abs
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ps
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pdf
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other
]
First stars X. The nature of three unevolved Carbon-Enhanced Metal-Poor stars
Virtual Journal - Volume 4, Issue 32 - article #10
T. Sivarani
,
T. C. Beers
,
P. Bonifacio
,
P. Molaro
,
R. Cayrel
,
F. Herwig
,
M. Spite
,
F. Spite
,
B. Plez
,
J. Andersen
,
B. Barbuy
,
E. Depagne
,
V. Hill
,
P. Francois
,
B. Nordstrom
,
F. Primas
ArXiv - Astrophysics
astro-ph/0608112 [
abs
,
ps
,
pdf
,
other
]
A New Milky Way Dwarf Satellite in Canes Venatici
Virtual Journal - Volume 4, Issue 21 - article #4
D. B. Zucker
,
V. Belokurov
,
N. W. Evans
,
M. I. Wilkinson
,
M. J. Irwin
,
T. Sivarani
,
S. Hodgkin
,
D. M. Bramich
,
J. M. Irwin
,
G. Gilmore
,
B. Willman
,
S. Vidrih
,
M. Fellhauer
,
P. C. Hewett
,
T. C. Beers
,
E. F. Bell
,
E. K. Grebel
,
D. P. Schneider
,
H. J. Newberg
,
R. F. G. Wyse
,
C. M. Rockosi
,
B. Yanny
,
R. Lupton
,
J. A. Smith
,
J. C. Barentine
,
H. Brewington
,
J. Brinkmann
,
M. Harvanek
,
S. J. Kleinman
,
J. Krzesinski
,
D. Long
,
A. Nitta
,
and
S. A. Snedden
Astrophysical Journal Letters - Volume 643, Issue 2 - May, 2006
ABSTRACT
,
FULL TEXT
,
PDF
(697 kB),
PS
A New Milky Way Dwarf Satellite in Canes Venatici
Virtual Journal - Volume 4, Issue 16 - article #14
D. B. Zucker
(1),
V. Belokurov
(1),
N. W. Evans
(1),
M. I. Wilkinson
(1),
M. J. Irwin
(1),
T. Sivarani
(2),
S. Hodgkin
(1),
D. M. Bramich
(1),
J. M. Irwin
(1),
G. Gilmore
(1),
B. Willman
(3),
S. Vidrih
(1),
M. Fellhauer
(1),
P. C. Hewett
(1),
T. C. Beers
(2),
E. F. Bell
(4),
E. K. Grebel
(5),
D. P. Schneider
(6),
H. J. Newberg
(7),
R. F. G. Wyse
(8),
C. M. Rockosi
(9),
B. Yanny
(10),
R. Lupton
(11),
J. A. Smith
(12),
J. C. Barentine
(13),
H. Brewington
(13),
J. Brinkmann
(13),
M. Harvanek
(13),
S. J.Kleinman
(13),
J. Krzesinski
(13,14),
D. Long
(13),
A. Nitta
(13),
S. A. Snedden
(13)
((1) Cambridge University,
(2) Michigan State University,
(3) New York University,
(4) MPIA, Heidelberg,
(5) University of Basel,
(6) Pennsylvania State University,
(7) Rensselaer Polytechnic Institute,
(8) JHU,
(9) Lick Observatory/UCSC,
(10) FNAL,
(11) Princeton University,
(12) LANL,
(13) Apache Point Observatory,
(14) Cracow Pedagogical University)
ArXiv - Astrophysics
astro-ph/0604354 [
abs
,
ps
,
pdf
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other
]
From First Stars to the Spite Plateau: a Possible Reconciliation of Halo Stars Observations with Predictions from Big Bang Nucleosynthesis
Virtual Journal - Volume 4, Issue 12 - article #27
L. Piau
,
T. C. Beers
,
D. S. Balsara
,
T. Sivarani
,
J. W. Truran
,
J. W. Ferguson
ArXiv - Astrophysics
astro-ph/0603553 [
abs
,
ps
,
pdf
,
other
]
First stars IV. CS 29497-030: Evidence for operation of the
s
-process at very low metallicity
Virtual Journal - Volume 2, Issue 1 - article #29
T. Sivarani
,
P. Bonifacio
,
P. Molaro
,
R. Cayrel
,
M. Spite
,
F. Spite
,
B. Plez
,
J. Andersen
,
B. Barbuy
,
T. C. Beers
,
E. Depagne
,
V. Hill
,
P. François
,
B. Nordström
and
F. Primas
Astronomy and Astrophysics - Vol. 413 No. 3
Abstract
, Full HTML,
PDF file (431 KB)
,
PS file (169 KB)
First stars IV.CS 29497-030: Evidence for operation of the s-process at very low metallicity
Virtual Journal - Volume 1, Issue 14 - article #37
T.
Sivarani(1),
P.
Bonifacio(1),
P.
Molaro(1),
R.
Cayrel(2),
M.
Spite(2),
F.
Spite(2),
B.
Plez(3),
J.
Andersen(4),
B.
Barbuy(5),
T. C.
Beers(6),
E.
Depagne(7),
V.
Hill(2),
P.
Francois(2),
B. Nordstrom
(8,4),
F.
Primas(9)
((1) INAF-OA Trieste,
(2) Observatoire de Paris-Meudon,
(3) GRAAL, Univ. Montpellier,
(4) Astronomical Observatory, NBIfAFG, Copenhagen,
(5) IAG, Universidade de Sao Paulo,
(6) Michigan State University,
(7) ESO-Chile,
(8) Lund Observatory,
(9) ESO-Garching)
arXiv.org - Astrophysics - Mon, 13 Oct 2003
astro-ph/0310291 [
abs
,
ps
,
pdf
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other
]
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