Virtual Journal of Nuclear Astrophysics
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, Michigan State University and
Fry Fang
, University of Notre Dame
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Improved Laboratory Transition Probabilities for Er II and Applications to the Erbium Abundances of the Sun and Five r-Process Rich, Metal-Poor Stars
Virtual Journal - Volume 6, Issue 18 - article #3
J. E. Lawler
,
C. Sneden
,
J. J. Cowan
,
J.-F. Wyart
,
I. I. Ivans
,
J. S. Sobeck
,
M. H. Stockett
,
E. A. Den Hartog
arXiv.org - Astrophysics - Volume: 2008, Issue: 1 May
arXiv:0804.4465
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Metallicity and Alpha-Element Abundance Measurement in Red Giant Stars from Medium Resolution Spectra
Virtual Journal - Volume 6, Issue 17 - article #2
Evan N. Kirby
,
Puragra Guhathakurta
,
Christopher Sneden
arXiv.org - Astrophysics - Volume: 2008, Issue: 24 Apr
arXiv:0804.3590
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CS 22964−161: A Double‐Lined Carbon‐ and
s
‐Process–Enhanced Metal‐Poor Binary Star
Virtual Journal - Volume 6, Issue 14 - article #23
Ian B. Thompson
,
Inese I. Ivans
,
Sara Bisterzo
,
Christopher Sneden
,
Roberto Gallino
,
Sylvie Vauclair
,
Gregory S. Burley
,
Stephen A. Shectman
,
and
George W. Preston
The Astrophysical Journal - Volume: 677, Issue: 1
Abstract
-
Full Text
-
PDF Version (1116 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
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CS22964-161: A Double-Lined Carbon- and s-Process-Enhanced Metal-Poor Binary Star
Virtual Journal - Volume 5, Issue 52 - article #5
Ian B. Thompson
,
Inese I. Ivans
,
Sara Bisterzo
,
Christopher Sneden
,
Roberto Gallino
,
Sylvie Vauclair
,
Gregory S. Burley
,
Stephen A. Shectman
,
George W. Preston
arXiv.org - Astrophysics - Volume: 2007, Issue: 27 Dec
arXiv:0712.3228
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CS22964-161: A Double-Lined Carbon- and s-Process-Enhanced Metal-Poor Binary Star
Virtual Journal - Volume 5, Issue 51 - article #18
Ian B. Thompson
,
Inese I. Ivans
,
Sara Bisterzo
,
Christopher Sneden
,
Roberto Gallino
,
Sylvie Vauclair
,
Gregory S. Burley
,
Stephen A. Shectman
,
George W. Preston
arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
arXiv:0712.3228
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other
]
Europium, Samarium, and Neodymium Isotopic Fractions in Metal-Poor Stars
Virtual Journal - Volume 5, Issue 51 - article #22
Ian U. Roederer
,
James E. Lawler
,
Christopher Sneden
,
John J. Cowan
,
Jennifer S. Sobeck
,
Catherine A. Pilachowski
arXiv.org - Astrophysics - Volume: 2007, Issue: 20 Dec
arXiv:0712.2473
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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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Improved Laboratory Transition Probabilities for Neutral Chromium and Re-determination of the Chromium Abundance for the Sun and Three Stars
Virtual Journal - Volume 5, Issue 31 - article #15
Jennifer S. Sobeck
,
James E. Lawler
,
Christopher Sneden
ArXiv - Astrophysics
arXiv:0707.4603
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Explorations of the
r
-Processes: Comparisons between Calculations and Observations of Low-Metallicity Stars
Virtual Journal - Volume 5, Issue 23 - article #3
Karl-Ludwig Kratz
,
Khalil Farouqi
,
Bernd Pfeiffer
,
James W. Truran
,
Christopher Sneden
,
and
John J. Cowan
The Astrophysical Journal - Volume662, Issue 1
ABSTRACT
,
FULL TEXT
,
PDF
(542 kB),
PS
Explorations of the r-Processes: Comparisons between Calculations and Observations of Low-Metallicity Stars
Virtual Journal - Volume 5, Issue 10 - article #1
Karl-Ludwig Kratz
,
Khalil Farouqi
,
Bernd Pfeiffer
,
James W. Truran
,
Christopher Sneden
,
John J. Cowan
ArXiv - Astrophysics
astro-ph/0703091 [
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]
Improved Laboratory Transition Probabilities for Hf and Hafnium Abundances in the Sun and 10 Metal-poor Stars
Virtual Journal - Volume 5, Issue 9 - article #9
J. E. Lawler
,
E. A. Den Hartog
,
Z. E. Labby
,
C. Sneden
,
J. J. Cowan
,
and
I. I. Ivans
The Astrophysical Journal Supplement - Volume169, Issue 1
ABSTRACT
,
FULL TEXT WITH ENHANCEMENTS
,
PDF
(385 kB),
PS
r-Process Enhanced Halo Stars
Virtual Journal - Volume 4, Issue 42 - article #7
J. J. Cowan
,
C. Sneden
,
J. E. Lawler
,
E. A. Den Hartog
ArXiv - Astrophysics
astro-ph/0610412 [
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other
]
TY GRUIS: A METAL-POOR CARBON AND NEUTRON-CAPTURE-RICH RR LYRAE STAR
Virtual Journal - Volume 4, Issue 39 - article #17
George W. Preston
,
Ian B. Thompson
,
Christopher Sneden
,
Greg Stachowski
,
and
Stephen A. Shectman
Astronomical Journal - Volume 132, Issue 4
Abstract
Full Text with Enhancements
PDF
(420 kB)
Heavy-Element Abundances in Giant Stars in 47 Tucanae
Virtual Journal - Volume 4, Issue 38 - article #1
E. C. Wylie
,
P. L. Cottrell
,
C. A. Sneden
,
and
J. C. Lattanzio
The Astrophysical Journal - Volume649, Issue 1
ABSTRACT
,
FULL TEXT
,
PDF
(420 kB),
PS
Gd Transition Probabilities and Abundances
Virtual Journal - Volume 4, Issue 38 - article #7
E. A. Den Hartog
,
J. E. Lawler
,
C. Sneden
,
J. J. Cowan
ArXiv - Astrophysics
astro-ph/0609487 [
abs
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ps
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pdf
,
other
]
Accurate M Dwarf Metallicities from Spectral Synthesis: A Critical Test of Model Atmospheres
Virtual Journal - Volume 4, Issue 32 - article #13
Jacob L. Bean
,
Christopher Sneden
,
Peter H. Hauschildt
,
Christopher M. Johns-Krull
,
G. Fritz Benedict
ArXiv - Astrophysics
astro-ph/0608093 [
abs
,
ps
,
pdf
,
other
]
Near-Ultraviolet Observations of HD 221170: New Insights into the Nature of
r
-Process–rich Stars
Virtual Journal - Volume 4, Issue 27 - article #5
Inese I. Ivans
,
Jennifer Simmerer
,
Christopher Sneden
,
James E. Lawler
,
John J. Cowan
,
Roberto Gallino
,
and
Sara Bisterzo
The Astrophysical Journal - Volume645, Issue 1
ABSTRACT
,
FULL TEXT WITH ENHANCEMENTS
,
PDF
(761 kB),
PS
ATMOSPHERES, CHEMICAL COMPOSITIONS, AND EVOLUTIONARY HISTORIES OF VERY METAL-POOR RED HORIZONTAL-BRANCH STARS IN THE GALACTIC FIELD AND IN NGC 7078 (M15)
Virtual Journal - Volume 4, Issue 26 - article #22
George W. Preston
,
Christopher Sneden
,
Ian B. Thompson
,
Stephen A. Shectman
,
and
Gregory S. Burley
Astronomical Journal - Volume 132, Issue 1
Abstract
Full Text with Enhancements
PDF
(731 kB)
Heavy Element Abundances in Giant Stars of 47 Tuc
Virtual Journal - Volume 4, Issue 21 - article #9
E. C. Wylie
,
P. L. Cottrell
,
C. A. Sneden
,
J. C. Lattanzio
astro-ph/0605538 [
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]
Nucleosynthesis: Stellar and Solar Abundances and Atomic Data
Virtual Journal - Volume 4, Issue 19 - article #16
John J. Cowan
,
James E. Lawler
,
Christopher Sneden
,
E. A. Den Hartog
,
Jason Collier
ArXiv - Astrophysics
astro-ph/0605137 [
abs
,
ps
,
pdf
,
other
]
Manganese Abundances in Cluster and Field Stars
Virtual Journal - Volume 4, Issue 18 - article #10
J.S. Sobeck
,
I.I. Ivans
,
J. A. Simmerer
,
C. Sneden
,
P. Hoeflich
,
J.P. Fulbright
,
R. P. Kraft
ArXiv - Astrophysics
astro-ph/0604592 [
abs
,
ps
,
pdf
,
other
]
Heavy element synthesis in the oldest stars and the early Universe
Virtual Journal - Volume 4, Issue 17 - article #34
John J. Cowan
and
Christopher Sneden
Nature - Volume 440, Issue 7088
Abstract
,
Full Text
,
PDF (543K)
Near-UV Observations of HD221170: New Insights into the Nature of r-Process-Rich Stars
Virtual Journal - Volume 4, Issue 15 - article #13
Inese I. Ivans
,
Jennifer Simmerer
,
Christopher Sneden
,
James E. Lawler
,
John J. Cowan
,
Roberto Gallino
,
Sara Bisterzo
ArXiv - Astrophysics
astro-ph/0604180 [
abs
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ps
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pdf
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other
]
Estimation Of Carbon Abundances In Metal-Poor Stars. I. Application To The Strong G-Band Stars Of Beers, Preston, And Shectman
Virtual Journal - Volume 3, Issue 47 - article #34
Silvia Rossi
,
Timothy C. Beers
,
Chris Sneden
,
Tatiana Sevastyanenko
,
Jaehyon Rhee
,
and
Brian Marsteller
Astronomical Journal – Vol. 130, Issue 6 – November 2005
Abstract
Full Text with Enhancements
PDF
(1139 kB)
Sm Transition Probabilities and Abundances
Virtual Journal - Volume 3, Issue 42 - article #9
J. E. Lawler
,
E. A. Den Hartog
,
C. Sneden
,
J. J. Cowan
ArXiv - Astrophysics – October 2005
astro-ph/0510585 [
abs
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ps
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pdf
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other
]
Estimation of Carbon Abundances in Metal-Poor Stars. I. Application to the "Strong G-band" stars of Beers, Preston, & Shectman
Virtual Journal - Volume 3, Issue 32 - article #7
. a05. b05 Silvia Rossi
(1),
Timothy C. Beers
(2),
Chris Sneden
(3),
Tatiana Sevastyanenko
(2),
Jaehyon Rhee
(4),
Brian Marsteller
(2)
((1) IAG, Univ. of Sao Paulo, Brazil,
(2) Dept. of Physics & Astronomy and JINA -- Joint Institute for Nuclear Astrophysics, Michigan State Univesity
(3) Dept. of Astronomy, Univ. of Texas,
(4) Center for Space Astrophysics, Yonsei University, Korea, and Space Astrophysics Laboratory, Caltech)
ArXiv - Astrophysics – August 2005
astro-ph/0508202 [
abs
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ps
,
pdf
,
other
]
Hubble Space Telescope
Observations of Heavy Elements in Metal-Poor Galactic Halo Stars
Virtual Journal - Volume 3, Issue 26 - article #44
John J. Cowan
,
Christopher Sneden
,
Timothy C. Beers
,
James E. Lawler
,
Jennifer Simmerer
,
James W. Truran
,
Francesca Primas
,
Jason Collier
,
and
Scott Burles
The Astrophysical Journal - Vol. 627, No. 1 – July 2005
ABSTRACT
,
FULL TEXT
,
PDF
(377 kB),
PS
Near-Ultraviolet Observations of CS 29497-030: New Constraints on Neutron-Capture Nucleosynthesis Processes
Virtual Journal - Volume 3, Issue 26 - article #59
Inese I. Ivans
,
Christopher Sneden
,
Roberto Gallino
,
John J. Cowan
,
and
George W. Preston
The Astrophysical Journal Letters - Vol. 627, No. 2 –July 2005
ABSTRACT
,
FULL TEXT
,
PDF
(189 kB),
PS
Near-UV Observations of CS29497-030: New Constraints on Neutron-Capture Nucleosynthesis Processes
Virtual Journal - Volume 3, Issue 18 - article #15
Inese I. Ivans
(Caltech),
Christopher Sneden
(U Texas-Austin),
Roberto Gallino
(U Torino),
John J. Cowan
(U Oklahoma),
George W. Preston
(OCIW-Pasadena)
arXiv – Astrophysics – May 2005
astro-ph/0505002 [
abs
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ps
,
pdf
,
other
]
HST Observations of Heavy Elements in Metal-Poor Galactic Halo Stars
Virtual Journal - Volume 3, Issue 9 - article #15
John J. Cowan
,
Christopher Sneden
,
Timothy C. Beers
,
James E. Lawler
,
Jennifer Simmerer
,
James W. Truran
,
Francesca Primas
,
Jason Collier
,
Scott Burles
arXiv - Astrophysics – March 2005
astro-ph/0502591 [
abs
,
ps
,
pdf
,
other
]
Improved Laboratory Transition Probabilities for Pt I and Application to the Platinum Abundances of BD +17°3248 and the Sun
Virtual Journal - Volume 3, Issue 3 - article #21
E. A. Den Hartog
,
M. T. Herd
,
J. E. Lawler
,
C. Sneden
,
J. J. Cowan
,
and
T. C. Beers
Astrophysical Journal – Vol 619, No 1 – January 2005
ABSTRACT
,
FULL TEXT WITH ENHANCEMENTS
,
PDF
(437 kB),
PS
The Rise of the
s
-Process in the Galaxy
Virtual Journal - Volume 2, Issue 51 - article #17
Jennifer Simmerer
,
Christopher Sneden
,
John J. Cowan
,
Jason Collier
,
Vincent M. Woolf
,
and
James E. Lawler
Astrophysical Journal – Vol 617, No 2 – December 2004
ABSTRACT
,
FULL TEXT WITH ENHANCEMENTS
,
PDF
(583 kB),
PS
ABUNDANCE VARIATIONS WITHIN GLOBULAR CLUSTERS
Virtual Journal - Volume 2, Issue 48 - article #4
Raffaele Gratton
,
Christopher Sneden
,
Eugenio Carretta
Annual Review of Astronomy and Astrophysics, Vol. 42: 385-440 (Volume publication date Sep 2004)
Abstract
, Full Text
, PDF (481 KB)
The Rise of the s-Process in the Galaxy
Virtual Journal - Volume 2, Issue 42 - article #21
J. Simmerer
(1),
C. Sneden
(1),
J. J. Cowan
(2),
J. Collier
(2),
V. M. Woolf
(3),
J. E. Lawler
(4)
((1) Department of Astronomy, University of Texas at Austin
(2) Department of Physics and Astronomy, University of Oklahoma
(3) Department of Astronomy, University of Washington
(4) Department of Physics, University of Wisconsin)
arXiv - Astrophysics – October 2004
astro-ph/0410396 [
abs
,
ps
,
pdf
,
other
]
Neutron-Capture Element Abundances in Halo Stars
Virtual Journal - Volume 2, Issue 38 - article #1
John J. Cowan
,
Christopher Sneden
arXiv - Astrophysics – October 2004
astro-ph/0409552 [
abs
,
ps
,
pdf
,
other
]
r-process chronometers
Virtual Journal - Volume 2, Issue 36 - article #46
K. -L. Kratz
,
B. Pfeiffer
,
J. J. Cowan
and
C. Sneden
New Astronomy Reviews, February 2004, vol. 48, iss. 1, pp. 105-108(4)
http://dx.doi.org/10.1016/j.newar.2003.11.014
Halo Star Abundances and Heavy Element Nucleosynthesis
Virtual Journal - Volume 2, Issue 21 - article #23
John J. Cowan
,
Christopher Sneden
arXiv.org - Astrophysics – May 2004
astro-ph/0405423 [
abs
,
ps
,
pdf
,
other
]
Improved Atomic Data for Ho II and New Holmium Abundances for the Sun and Three Metal-poor Stars
Virtual Journal - Volume 2, Issue 12 - article #29
J. E. Lawler
,
C. Sneden
,
and
J. J. Cowan
The Astrophysical Journal - Volume 604, Number 2, Part 1
ABSTRACT
,
FULL TEXT
,
PDF
(306 kB),
PS
Galactic Evolution of Sr, Y, and Zr: A Multiplicity of Nucleosynthetic Processes
Virtual Journal - Volume 2, Issue 5 - article #37
Claudia Travaglio
,
Roberto Gallino
,
Enrico Arnone
,
John Cowan
,
Faith Jordan
,
and
Christopher Sneden
The Astrophysical Journal - Volume 601, Number 2, Part 1
ABSTRACT
,
FULL TEXT
,
PDF
(735kb),
PS
Heavy elements abundances in turn-off stars and early subgiants in NGC 6752
Virtual Journal - Volume 2, Issue 4 - article #37
G. James
,
P. François
,
P. Bonifacio
,
A. Bragaglia
,
E. Carretta
,
M. Centurión
,
G. Clementini
,
S. Desidera
,
R. G. Gratton
,
F. Grundahl
,
S. Lucatello
,
P. Molaro
,
L. Pasquini
,
C. Sneden
and
F. Spite
Astronomy and Astrophysics - Vol. 414 No. 3
Abstract
, Full HTML,
PDF file (208 KB)
,
PS file (74.5 KB)
The Chemical Composition Contrast between M3 and M13 Revisited: New Abundances for 28 Giant Stars in M3
Virtual Journal - Volume 1, Issue 20 - article #21
Christopher Sneden
,
Robert P. Kraft
,
Puragra Guhathakurta
,
Ruth C. Peterson
,
Jon P. Fulbright
arXiv.org - Astrophysics - Mon, 24 Nov 2003 astro-ph/0311510
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,
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]
Heavy elements abundances in turn-off stars and early subgiants in NGC 6752
Virtual Journal - Volume 1, Issue 18 - article #10
G.
James(1),
P.
Francois(1),
P.
Bonifacio(2),
A.
Bragaglia(3),
E.
Carretta(4),
M.
Centurion(2),
G.
Clementini(3),
S.
Desidera(5,6),
R. G.
Gratton(4),
F.
Grundahl(7),
S.
Lucatello(4,6),
P.
Molaro(2),
L.
Pasquini(8),
C.
Sneden(9),
F.
Spite(1)
((1) Obs. Paris,
(2) INAF-OATs,
(3) INAF-OABo,
(4) INAF-OAPd,
(5) Univ. Pisa,
(6) Univ. Padova,
(7) Univ. Aarhus,
(8) ESO,
(9) Univ. Texas)
arXiv.org - Astrophysics - Thu, 13 Nov 2003
astro-ph/0311278 [
abs
,
ps
,
pdf
,
other
]
Galactic Evolution of Sr, Y, Zr: A Multiplicity of Nucleosynthetic Processes
Virtual Journal - Volume 1, Issue 13 - article #16
Claudia
Travaglio(MPA Munich, INAF-Obs. Turin),
Roberto Gallino
,
Enrico Arnone
,
John Cowan
,
Faith Jordan
,
Chris Sneden
arXiv.org - Astrophysics - Wed, 8 Oct 2003
astro-ph/0310189 [
abs
,
ps
,
pdf
,
other
]
Advances in r-Process Nucleosynthesis
Virtual Journal - Volume 1, Issue 12 - article #18
John J. Cowan
,
Christopher Sneden
arXiv.org - Astrophysics - Wed, 1 Oct 2003
astro-ph/0309802 [
abs
,
ps
,
pdf
,
other
]
Improved Laboratory Transition Probabilities for Nd
II
and Application to the Neodymium Abundances of the Sun and Three Metal-poor Stars
Virtual Journal - Volume 1, Issue 12 - article #58
E. A. Den Hartog
,
J. E. Lawler
,
C. Sneden
,
and
J. J. Cowan
The Astrophysical Journal Supplement Series - Volume 148, Number 2
ABSTRACT
,
FULL TEXT
,
PDF
(261kb),
PS
Chemical Substructure in the Milky Way Halo: A New Population of Old Stars
Virtual Journal - Volume 1, Issue 3 - article #5
Inese I. Ivans
,
Christopher Sneden
,
C. Renée James
,
George W. Preston
,
Jon P. Fulbright
,
Peter A. Höflich
,
Bruce W. Carney
,
and
J. Craig Wheeler
The Astrophysical Journal, Volume 592, Number 2, Part 1
ABSTRACT
,
FULL TEXT
,
PDF
(644kb),
PS
The Extremely Metal-poor, Neutron Capture rich Star CS 22892-052: A Comprehensive Abundance Analysis
Virtual Journal - Volume 1, Issue 1 - article #39
Christopher Sneden
,
John J. Cowan
,
James E. Lawler
,
Inese I. Ivans
,
Scott Burles
,
Timothy C. Beers
,
Francesca Primas
,
Vanessa Hill
,
James W. Truran
,
George M. Fuller
,
Bernd Pfeiffer
,
and
Karl-Ludwig Kratz
The Astrophysical Journal, Volume 591, Number 2, Part 1
ABSTRACT
,
FULL TEXT
,
PDF
(435kb),
PS
Results 101 - 149 of 149
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