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Results 1 - 56 of 56

The molecular chemistry of Type Ibc supernovae, and diagnostic potential with the James Webb Space Telescope. (arXiv:2203.07021v1 [astro-ph.SR])
- Virtual Journal - Volume 20, Issue 11 - article #9
- S. Liljegren, A. Jerkstrand, P. S. Barklem, G. Nyman, R. Brady, S. N. Yurchenko
- http://arxiv.org/abs/2203.07021
3D non-LTE line formation of neutral carbon in the Sun. (arXiv:1903.08838v1 [astro-ph.SR])
- Virtual Journal - Volume 17, Issue 12 - article #1
- A. M. Amarsi, P. S. Barklem, R. Collet, N. Grevesse, M. Asplund
- http://arxiv.org/abs/1903.08838
Carbon and oxygen in metal-poor halo starsâ‹†
- Virtual Journal - Volume 17, Issue 5 - article #5
- A. M. Amarsi, P. E. Nissen, M. Asplund, K. Lind, P. S. Barklem
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/QTipYx6aF8Y/201834480
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
3D NLTE analysis of the most iron-deficient star, SMSS0313-6708. (arXiv:1609.07416v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 40 - article #1
- Thomas Nordlander, Anish M. Amarsi, Karin Lind, Martin Asplund, Paul S. Barklem, Andy R. Casey, Remo Collet, Jorrit Leenaarts
- http://arxiv.org/abs/1609.07416
Non-LTE line formation of Fe in late-type stars - III. 3D non-LTE analysis of metal-poor stars
- Virtual Journal - Volume 14, Issue 39 - article #25
- Amarsi, A. M., Lind, K., Asplund, M., Barklem, P. S., Collet, R.
- >Oxford University Press
- http://mnras.oxfordjournals.org/cgi/content/short/463/2/1518?rss=1
The Hamburg/ESO R-process Enhanced Star survey (HERES) XI. The highly $r$-process-enhanced star CS 29497-004. (arXiv:1608.07463v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 36 - article #25
- V. Hill, N. Christlieb, T.C. Beers, P.S. Barklem, K.-L. Kratz, B. Nordström, B. Pfeiffer, K. Farouqi
- http://arxiv.org/abs/1608.07463
Non-LTE line formation of Fe in late-type stars - III. 3D non-LTE analysis of metal-poor stars. (arXiv:1608.06390v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 35 - article #11
- A. M. Amarsi, K. Lind, M. Asplund, P. S. Barklem, R. Collet
- http://arxiv.org/abs/1608.06390
Atomic diffusion and mixing in old stars - IV. Weak abundance trends in the globular cluster NGC 6752
- Virtual Journal - Volume 11, Issue 29 - article #28
- P. Gruyters, A. J. Korn, O. Richard, F. Grundahl, R. Collet, L. I. Mashonkina, Y. Osorio and P. S. Barklem
- Astronomy and Astrophysics - Volume: 555, Issue: July 2013
- http://dx.doi.org/10.1051/0004-6361/201220821
  Abstract Full HTML PDF (831.8 KB) References Online Material NASA ADS Abstract Service
Atomic diffusion and mixing in old stars IV: Weak abundance trends in the globular cluster NGC 6752
- Virtual Journal - Volume 11, Issue 19 - article #1
- Pieter Gruyters, Andreas J. Korn, Olivier Richard, Frank Grundahl, Remo Collet, Lyudmila I. Mashonkina, Yeisson Osorio, Paul S. Barklem
- arXiv.org - Astrophysics - Volume: 2013, Issue: 10 May
- arXiv:1305.1774 [pdf, other]
The Most Metal-poor Stars. I. Discovery, Data, and Atmospheric Parameters
- Virtual Journal - Volume 10, Issue 52 - article #50
- John E. Norris, M. S. Bessell, David Yong, N. Christlieb, P. S. Barklem, M. Asplund, Simon J. Murphy, Timothy C. Beers, Anna Frebel, and S. G. Ryan
- The Astrophysical Journal - Volume: 762, Issue: 1
- Abstract References Cited by Full text PDF (1.31 MB) Enhanced article HTML
The Most Metal-poor Stars. II. Chemical Abundances of 190 Metal-poor Stars Including 10 New Stars with [Fe/H] ≤ â€“3.5
- Virtual Journal - Volume 10, Issue 52 - article #51
- David Yong, John E. Norris, M. S. Bessell, N. Christlieb, M. Asplund, Timothy C. Beers, P. S. Barklem, Anna Frebel, and S. G. Ryan
- The Astrophysical Journal - Volume: 762, Issue: 1
- Abstract References Cited by Full text PDF (7.30 MB) Enhanced article HTML
The Most Metal-poor Stars. III. The Metallicity Distribution Function and Carbon-enhanced Metal-poor Fraction
- Virtual Journal - Volume 10, Issue 52 - article #52
- David Yong, John E. Norris, M. S. Bessell, N. Christlieb, M. Asplund, Timothy C. Beers, P. S. Barklem, Anna Frebel, and S. G. Ryan
- The Astrophysical Journal - Volume: 762, Issue: 1
- Abstract References Full text PDF (724 KB) Enhanced article HTML
The Most Metal-poor Stars. IV. The Two Populations with [Fe/H] lesssim â€“3.0
- Virtual Journal - Volume 10, Issue 52 - article #53
- John E. Norris, David Yong, M. S. Bessell, N. Christlieb, M. Asplund, Gerard Gilmore, Rosemary F. G. Wyse, Timothy C. Beers, P. S. Barklem, Anna Frebel, and S. G. Ryan
- The Astrophysical Journal - Volume: 762, Issue: 1
- Abstract References Cited by Full text PDF (1.13 MB) Enhanced article HTML
The Most Metal-Poor Stars. IV. The Two Populations With [Fe/H] < -3.0
- Virtual Journal - Volume 10, Issue 46 - article #11
- John E. Norris, David Yong, M. S. Bessell, N. Christlieb, M. Asplund, Gerard Gilmore, Rosemary F.G. Wyse, Timothy C. Beers, P. S. Barklem, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Nov
- arXiv:1211.3157 [pdf, ps, other]
The Most Metal-Poor Stars. I. Discovery, Data, and Atmospheric Parameters
- Virtual Journal - Volume 10, Issue 33 - article #11
- John E. Norris, M. S. Bessell, David Yong, N. Christlieb, P. S. Barklem, M. Asplund, Simon J. Murphy, Timothy C. Beers, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Aug
- arXiv:1208.2999 [pdf, ps, other]
The Most Metal-Poor Stars. II. Chemical Abundances of 190 Metal-Poor Stars Including 10 New Stars With [Fe/H] < -3.5
- Virtual Journal - Volume 10, Issue 33 - article #12
- David Yong, John E. Norris, M. S. Bessell, N. Christlieb, M. Asplund, Timothy C. Beers, P. S. Barklem, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Aug
- arXiv:1208.3003 [pdf, ps, other]
The Most Metal-Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction
- Virtual Journal - Volume 10, Issue 33 - article #13
- David Yong, John E. Norris, M. S. Bessell, N. Christlieb, M. Asplund, Timothy C. Beers, P. S. Barklem, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Aug
- arXiv:1208.3016 [pdf, ps, other]
Precise Effective Temperatures of Solar Analog Stars
- Virtual Journal - Volume 10, Issue 23 - article #8
- D. Cornejo, I. Ramirez, P. S. Barklem
- arXiv.org - Astrophysics - Volume: 2012, Issue: 8 Jun
- arXiv:1206.0750 [pdf, ps, other]
Non-LTE calculations for neutral Na in late-type stars using improved atomic data
- Virtual Journal - Volume 9, Issue 6 - article #3
- K. Lind, M. Asplund, P.S. Barklem, A.K. Belyaev
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Feb
- arXiv:1102.2160 [pdf, ps, other]
The influence of electron collisions on non-LTE Li line formation in stellar atmospheres
- Virtual Journal - Volume 9, Issue 6 - article #8
- Y. Osorio (Uppsala), P.S. Barklem (Uppsala), K. Lind (MPA Garching), M. Asplund (MPA Garching)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Feb
- arXiv:1102.1556 [pdf, ps, other]
The Hamburg/ESO R-process Enhanced Star survey (HERES) VI. The Galactic Chemical Evolution of Silicon
- Virtual Journal - Volume 8, Issue 26 - article #24
- L. Zhang, N. Christlieb, A. J. Korn, P. S. Barklem, T. Karlsson, G. Zhao
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Jun
- arXiv:1006.3594 [pdf, ps, other]
The Hamburg/ESO R-process Enhanced Star survey (HERES). V. Detailed abundance analysis of the r-process enhanced star HE 2327-5642
- Virtual Journal - Volume 8, Issue 12 - article #8
- L. Mashonkina, N. Christlieb, P.S. Barklem, V. Hill, T.C. Beers, A. Velichko
- arXiv.org - Astrophysics - Volume: 2010, Issue: 19 Mar
- arXiv:1003.3571 [ps, pdf, other]
The stellar content of the Hamburg/ESO survey - V. The metallicity distribution function of the Galactic halo
- Virtual Journal - Volume 7, Issue 47 - article #27
- T. Schörck, N. Christlieb, J. G. Cohen, T. C. Beers, S. Shectman, I. Thompson, A. McWilliam, M. S. Bessell, J. E. Norris, J. Meléndez, S. Ramírez, D. Haynes, P. Cass, M. Hartley, K. Russell, F. Watson, F.-J. Zickgraf, B. Behnke, C. Fechner, B. Fuhrmeister, P. S. Barklem, B. Edvardsson, A. Frebel, L. Wisotzki, and D. Reimers
- Astronomy and Astrophysics - Volume: 507, Issue: 2
- Abstract | PDF file (506.8 KB) | PS file (331.7 KB)
The Hamburg/ESO R-process Enhanced Star survey (HERES) IV. Detailed abundance analysis and age dating of the strongly r-process enhanced stars CS 29491-069 and HE 1219-0312
- Virtual Journal - Volume 7, Issue 41 - article #17
- W. Hayek, U. Wiesendahl, N. Christlieb, K. Eriksson, A.J. Korn, P.S. Barklem, V. Hill, T.C. Beers, K. Farouqi, B. Pfeiffer, K.-L. Kratz
- arXiv.org - Astrophysics - Volume: 2009, Issue: 9 Oct
- arXiv:0910.0707 [ps, pdf, other]
The Hamburg/ESO R-process enhanced star survey (HERES) - IV. Detailed abundance analysis and age dating of the strongly r-process enhanced stars CS 29491–069 and HE 1219–0312
- Virtual Journal - Volume 7, Issue 38 - article #20
- W. Hayek, U. Wiesendahl, N. Christlieb, K. Eriksson, A. J. Korn, P. S. Barklem, V. Hill, T. C. Beers, K. Farouqi, B. Pfeiffer, and K.-L. Kratz
- Astronomy and Astrophysics - Volume: 504, Issue: 2
- Abstract | PDF file (381.6 KB) | PS file (295.9 KB)
Departures from LTE for neutral Li in late-type stars
- Virtual Journal - Volume 7, Issue 35 - article #11
- K. Lind, M. Asplund, and P. S. Barklem
- Astronomy and Astrophysics - Volume: 503, Issue: 2
- Abstract | PDF file (191.3 KB) | PS file (695.0 KB)
Neutral oxygen spectral line formation revisited with new collisional data: large departures from LTE at low metallicity
- Virtual Journal - Volume 7, Issue 27 - article #29
- D. Fabbian, M. Asplund, P. S. Barklem, M. Carlsson, and D. Kiselman
- Astronomy and Astrophysics - Volume: 500, Issue: 3
- Abstract | PDF file (381.7 KB) | PS file (207.6 KB)
Lithium Abundances of Extremely Metal-Poor Turnoff Stars
- Virtual Journal - Volume 7, Issue 24 - article #26
- Wako Aoki, Paul S. Barklem, Timothy C. Beers, Norbert Christlieb, Susumu Inoue, Ana E. García Pérez, John E. Norris, and Daniela Carollo
- The Astrophysical Journal - Volume: 698, Issue: 2
- Abstract | References
Departures from LTE for neutral Li in late-type stars
- Virtual Journal - Volume 7, Issue 23 - article #3
- K. Lind, M. Asplund, P.S. Barklem
- arXiv.org - Astrophysics - Volume: 2009, Issue: 5 Jun
- arXiv:0906.0899 [ps, pdf, other]
Lithium Abundances of Extremely Metal-Poor Turn-off Stars
- Virtual Journal - Volume 7, Issue 15 - article #4
- Wako Aoki, Paul S. Barklem, Timothy C. Beers, Norbert Christlieb, Susumu Inoue, Ana E. Garcia Perez, John E. Norris, Daniela Carollo
- arXiv.org - Astrophysics - Volume: 2009, Issue: 10 Apr
- arXiv:0904.1448 [ps, pdf, other]
Atomic diffusion and mixing in old stars - II. Observations of stars in the globular cluster NGC 6397 with VLT/FLAMES-GIRAFFE
- Virtual Journal - Volume 6, Issue 42 - article #17
- K. Lind, A. J. Korn, P. S. Barklem, and F. Grundahl
- Astronomy and Astrophysics - Volume: 490, Issue: 2
- Abstract | PDF file (704.8 KB) | PS file (2.570 MB)
The stellar content of the Hamburg/ESO survey. V. The metallicity distribution function of the Galactic halo
- Virtual Journal - Volume 6, Issue 37 - article #9
- T. Schoerck, N. Christlieb, J.G. Cohen, T.C. Beers, S. Shectman, I. Thompson, A. McWilliam, M.S. Bessell, J.E. Norris, J. Melendez, S. Solange Ramirez, D. Haynes, P. Cass, M. Hartley, K. Russell, F. Watson, F.-J. Zickgraf, B. Behnke, C. Fechner, B. Fuhrmeister, P.S. Barklem, B. Edvardsson, A. Frebel, L. Wisotzki, D. Reimers
- arXiv.org - Astrophysics - Volume: 2008, Issue: 11 Sep
- arXiv:0809.1172 [ps, pdf, other]
New Abundances for Old Stars - Atomic Diffusion at Work in NGC 6397
- Virtual Journal - Volume 4, Issue 40 - article #2
- A.J. Korn (1), F. Grundahl (2), O. Richard (3), P.S. Barklem (1), L. Mashonkina (4), R. Collet (1), N. Piskunov (1), B. Gustafsson (1) ((1) Department of Astronomy and Space Physics, Uppsala University, Sweden; (2) Department of Physics and Astronomy, University of Aarhus, Aarhus, Denmark; (3) 3GRAAL-UMR5024/ISTEEM (CNRS), Universite Montpellier II, Montpellier, France; (4) Institute of Astronomy, Russian Academy of Science, Moscow, Russia)
- ArXiv - Astrophysics
- astro-ph/0610077 [abs, pdf]
The Frequency of Carbon-Enhanced Metal-Poor Stars in the Galaxy from the HERES sample
- Virtual Journal - Volume 4, Issue 39 - article #9
- Sara Lucatello (INAF-OAPD), Timothy Beers (MSU/JINA), Norbert Christlieb (Hamburger Sternewarte and Uppsala University), Paul Barklem (Uppsala Univesity), Silvia Rossi (Universidade de Sao Paulo), Brian Marsteller (MSU), Thirupathi Sivarani (MSU), Young Sun Lee (MSU)
- ArXiv - Astrophysics
- astro-ph/0609730 [abs, ps, pdf, other]
A probable stellar solution to the cosmological lithium discrepancy
- Virtual Journal - Volume 4, Issue 32 - article #18
- A. J. Korn (1), F. Grundahl (2), O. Richard (3), P.S. Barklem (1), L. Mashonkina (4), R. Collet (1), N. Piskunov (1), B. Gustafsson (1) ((1) Department of Astronomy and Space Physics, Uppsala University, Sweden; (2) Department of Physics and Astronomy, University of Aarhus, Aarhus, Denmark; (3) 3GRAAL-UMR5024/ISTEEM (CNRS), Universite Montpellier II, Montpellier, France; (4) Institute of Astronomy, Russian Academy of Science, Moscow, Russia)
- ArXiv - Astrophysics
- astro-ph/0608201 [abs, ps, pdf, other]
A probable stellar solution to the cosmological lithium discrepancy
- Virtual Journal - Volume 4, Issue 32 - article #32
- A. J. Korn, F. Grundahl, O. Richard, P. S. Barklem, L. Mashonkina, R. Collet, N. Piskunov and B. Gustafsson
- Nature - Volume 442, Issue 7103
- First paragraph, Full Text, PDF (142K), Supplementary informationSee also: Editor's summary
The Hamburg/ESO R-process enhanced star survey (HERES) - III. HE 0338-3945 and the formation of the r + s stars
- Virtual Journal - Volume 4, Issue 18 - article #23
- K. Jonsell, P. S. Barklem, B. Gustafsson, N. Christlieb, V. Hill, T. C. Beers and J. Holmberg
- Astronomy and Astrophysics - Volume 451, Issue 2 - May, 2006
- Abstract, Full HTML, PDF file (410 KB), PS file (164 KB), References
HE 1327-2326, an Unevolved Star with [Fe/H] < -5.0. I. A Comprehensive Abundance Analysis
- Virtual Journal - Volume 4, Issue 10 - article #1
- W. Aoki, A. Frebel, N. Christlieb, J. E. Norris, T. C. Beers, T. Minezaki, P. S. Barklem, S. Honda, M. Takada-Hidai, M. Asplund, S. G. Ryan, S. Tsangarides, K. Eriksson, A. Steinhauer, C. P. Deliyannis, K. Nomoto, M. Y. Fujimoto, H. Ando, Y. Yoshii, and T. Kajino
- ABSTRACT , FULL TEXT , PDF (604 kB) , PS
The Hamburg/ESO R-process Enhanced Star survey (HERES) III. HE 0338-3945 and the formation of the r+s stars
- Virtual Journal - Volume 4, Issue 4 - article #26
- K. Jonsell (1), P. S. Barklem (1), B. Gustafsson (1), N. Christlieb (2), V. Hill (3), T. C. Beers (4), J. Holmberg (5) ((1) Uppsala, (2) Hamburg, (3) Paris Meudon, (4) Michigan State, (5) Tuorla)
- ArXiv - Astrophysics
- astro-ph/0601476 [abs, ps, pdf, other] :
The new record holder for the most iron-poor star: HE 1327-2326, a dwarf or subgiant with [Fe/H]=-5.4
- Virtual Journal - Volume 3, Issue 38 - article #9
- A. Frebel, W. Aoki, N. Christlieb, H. Ando, M. Asplund, P.S. Barklem, T. C. Beers, K. Eriksson, C. Fechner, M.Y. Fujimoto, S. Honda, T. Kajino, T. Minezaki, K. Nomoto, J.E. Norris, S.G. Ryan, M. Takada-Hidai, S. Tsangarides, Y. Yoshii
- ArXiv - Astrophysics – September 2005
- astro-ph/0509658 [ abs , ps , pdf , other ]
HE1327-2326, an unevolved star with [Fe/H]<-5.0. I. A Comprehensive Abundance Analysis
- Virtual Journal - Volume 3, Issue 36 - article #6
- W. Aoki, A. Frebel, N. Christlieb, J.E. Norris, T.C. Beers, T. Minezaki, P.S. Barklem, S. Honda, M. Takada-Hidai, M. Asplund, S.G. Ryan, S. Tsangarides, K. Eriksson, A. Steinhauer, C. P. Deliyannis, K. Nomoto, M.Y. Fujimoto, H. Ando, Y. Yoshii, T. Kajino
- ArXiv - Astrophysics – September 2005
The Hamburg/ESO R-process enhanced star survey (HERES) - II. Spectroscopic analysis of the survey sample
- Virtual Journal - Volume 3, Issue 30 - article #22
- P. S. Barklem, N. Christlieb, T. C. Beers, V. Hill, M. S. Bessell, J. Holmberg, B. Marsteller, S. Rossi, F.-J. Zickgraf and D. Reimers
- Astronomy and Astrophysics - Vol. 439 No. 1 – July 2005
- Abstract , Full HTML , PDF file (2.26 MB) , PS file (532 KB) , References , Online Material
Efficient Searches for r -Process-Enhanced, Metal-Poor Stars
- Virtual Journal - Volume 3, Issue 26 - article #95
- T.C. Beers, P.S. Barklem, N. Christlieb and V. Hill
- Nuclear Physics A – Vol. 758 – July 2005
- Abstract , Abstract + References , PDF (121 K)
The Hamburg/ESO R-process Enhanced Star survey (HERES) II. Spectroscopic analysis of the survey sample
- Virtual Journal - Volume 3, Issue 18 - article #10
- P. S. Barklem (Uppsala), N. Christlieb (Hamburg), T. C. Beers (Michigan State), V. Hill (Paris Meudon), J. Holmberg (Tuorla), B. Marsteller (Michigan State), S. Rossi (Sao Paulo), F.-J. Zickgraf (Hamburg)
- arXiv – Astrophysics – May 2005
- astro-ph/0505050 [ abs , ps , pdf , other ]
Nucleosynthetic signatures of the first stars
- Virtual Journal - Volume 3, Issue 15 - article #39
- ANNA FREBEL, WAKO AOKI, NORBERT CHRISTLIEB, HIROYASU ANDO, MARTIN ASPLUND, PAUL S. BARKLEM, TIMOTHY C. BEERS, KJELL ERIKSSON, CORA FECHNER, MASAYUKI Y. FUJIMOTO, SATOSHI HONDA, TOSHITAKA KAJINO, TAKEO MINEZAKI, KEN'ICHI NOMOTO, JOHN E. NORRIS, SEAN G. RYAN, MASAHIDE TAKADA-HIDAI, STELIOS TSANGARIDES & YUZURU YOSHII
- Nature - Vol 434 No 7035 – April 2005
- First paragraph , Full text , PDF (181k), N&V
Nucleosynthetic signatures of the first stars
- Virtual Journal - Volume 3, Issue 9 - article #10
- Anna Frebel, Wako Aoki, Norbert Christlieb, Hiroyasu Ando, Martin Asplund, Paul S. Barklem, Timothy C. Beers, Kjell Eriksson, Cora Fechner, Masayuki Y. Fujimoto, Satoshi Honda, Toshitaka Kajino, Takeo Minezaki, Ken`ichi Nomoto, John E. Norris, Sean G. Ryan, Masahide Takada-Hidai, Stelios Tsangarides, Yuzuru Yoshii
- arXiv - Astrophysics – March 2005
- astro-ph/0503021 [ abs , ps , pdf , other ]
The Hamburg/ESO R-process Enhanced Star survey (HERES) - I. Project description, and discovery of two stars with strong enhancements of neutron-capture elements
- Virtual Journal - Volume 2, Issue 49 - article #32
- N. Christlieb, T. C. Beers, P. S. Barklem, M. Bessell, V. Hill, J. Holmberg, A. J. Korn, B. Marsteller, L. Mashonkina, Y.-Z. Qian, S. Rossi, G. J. Wasserburg, F.-J. Zickgraf, K.-L. Kratz, B. NordstrÃ¶m, B. Pfeiffer, J. Rhee and S. G. Ryan
- Astronomy and Astrophysics – Vol 428, No 3 – December 2004
- Abstract , PDF file (306 KB) , PS file (112 KB)
The Hamburg/ESO R-process Enhanced Star survey (HERES). I. Project description, and discovery of two stars with strong enhancements of neutron-capture elements
- Virtual Journal - Volume 2, Issue 34 - article #22
- N. Christlieb, T. C. Beers, P. S. Barklem, M. Bessell, V. Hill, J. Holmberg, A.J. Korn, B. Marsteller, L. Mashonkina, Y.-Z. Qian, S. Rossi, G.J. Wasserburg, F.-J. Zickgraf, K.-L. Kratz, B. Nordstr{Ã¶}m, B. Pfeiffer, J. Rhee, S.G. Ryan
- arXiv - Astrophysics - August 2004
- astro-ph/0408389 [ abs , ps , pdf , other ]
Efficient Searches for r-Process-Enhanced, Metal-Poor Stars
- Virtual Journal - Volume 2, Issue 34 - article #24
- T.C. Beers (1), P.S. Barklem (2), N. Christlieb (3), V. Hill (4) ((1) Michigan State Univ., (2) Uppsala Univ., Sweden, (3) Hamburger Sternwarte, Germany, (4) Observatorie de Paris Meudon, France)
- arXiv - Astrophysics - August 2004
- astro-ph/0408381 [ abs , ps , pdf , other ]
HE 0107-5240, a Chemically Ancient Star. I. A Detailed Abundance Analysis
- Virtual Journal - Volume 2, Issue 10 - article #37
- N. Christlieb, B. Gustafsson, A. J. Korn, P. S. Barklem, T. C. Beers, M. S. Bessell, T. Karlsson, and M. Mizuno-Wiedner
- The Astrophysical Journal - Volume 603, Number 2, Part 1
- ABSTRACT , FULL TEXT , PDF (757 kB), PS
S4N: A Spectroscopic Survey of Stars in the Solar Neighborhood
- Virtual Journal - Volume 2, Issue 9 - article #4
- Carlos Allende Prieto (1), Paul S. Barklem (2), David L. Lambert (1), Katia Cunha (3) ((1) University of Texas, USA (2) Uppsala Astronomical Observatory, Sweden, (3) Observatorio Nacional, Brazil)
- arXiv.org – Astrophysics – March 2004
- astro-ph/0403108 [ abs , ps , pdf , other ]
HE0107-5240, A Chemically Ancient Star.I. A Detailed Abundance Analysis
- Virtual Journal - Volume 1, Issue 18 - article #23
- N. Christlieb(Uppsala Astronomical Observatory and Hamburger Sternwarte), B. Gustafsson(Uppsala Astronomical Observatory), A. J. Korn(Universitaets-Sternwarte Muenchen and Uppsala Astronomical Observatory), P. S. Barklem(Uppsala Astronomical Observatory),T. C. Beers(Department of Physics and Astronomy, Michigan State University), M. S. Bessell(Research School of Astronomy and Astrophysics, Australian National University),T. Karlsson, M. Mizuno-Wiedner (Uppsala Astronomical Observatory)
- arXiv.org - Astrophysics - Mon, 10 Nov 2003
- astro-ph/0311173 [ abs , ps , pdf , other ]
Inelastic H+Li and H ^- +Li ⁺ collisions and non-LTE Li I line formation in stellar atmospheres
- Virtual Journal - Volume 1, Issue 11 - article #39
- P. S. Barklem, A. K. Belyaev and M. Asplund
- Astronomy and Astrophysics - Vol. 409 No. 2
- Abstract , Full HTML, PDF file (100 KB) , PS file (235 KB)
Collisional depolarization and transfer rates of spectral lines by atomic hydrogen - II. Application to d states of neutral atoms
- Virtual Journal - Volume 1, Issue 10 - article #34
- M. Derouich, S. Sahal-BrÃƒÂ©chot and P. S. Barklem
- Astronomy and Astrophysics - Vol. 409 No. 1
- Abstract , Full HTML, PDF file (199 KB) , PS file (95.7 KB)
Inelastic H+Li and H^-+Li^+ collisions and non-LTE Li I line formation in stellar atmospheres
- Virtual Journal - Volume 1, Issue 5 - article #9
- P. S. Barklem(Uppsala), A.K. Belyaev(A.I.Herzen), M. Asplund(RSAA)
- arXiv.org - Astrophysics - Tue, 12 Aug 2003
- astro-ph/0308170 [ abs , ps , pdf , other ]

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