Search - Virtual Journal of Nuclear Astrophysics

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Results 1 - 14 of 14

J1046+4047: an extremely low-metallicity dwarf star-forming galaxy with O32 = 57. (arXiv:2311.01799v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 43 - article #18
- Y. I. Izotov (1), T. X. Thuan (2, 3), N. G. Guseva (1) ((1) Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Kyiv, Ukraine, (2) Astronomy Department, University of Virginia, Charlottesville, USA, (3) Institut d'Astrophysique de Paris, Paris, France)
- http://arxiv.org/abs/2311.01799
First look with JWST spectroscopy: $z sim 8$ galaxies resemble local analogues. (arXiv:2207.10034v2 [astro-ph.GA] UPDATED)
- Virtual Journal - Volume 20, Issue 29 - article #3
- D. Schaerer, R. Marques-Chaves, P. Oesch, R. Naidu, L. Barrufet, Y. I. Izotov, N. G. Guseva, G. Brammer
- http://arxiv.org/abs/2207.10034
X-ray binaries as the origin of nebular Heâ€¯II emission in low-metallicity star-forming galaxies
- Virtual Journal - Volume 17, Issue 6 - article #9
- D. Schaerer, T. Fragos, Y. I. Izotov
- Astronomy & Astrophysics
- http://feedproxy.google.com/~r/edp_aa/~3/R25dSaql-So/201935005
A new determination of the primordial He abundance using the Heâ€‰i λ10830 Ã… emission line: cosmological implications
- Virtual Journal - Volume 12, Issue 23 - article #122
- Y. I. Izotov, T. X. Thuan, and N. G. Guseva
- Monthly Notices of the Royal Astronomical Society - Volume: 445, Issue: 1
- Abstract Full Text (HTML) Full Text (PDF)
A new determination of the primordial He abundance using the HeI 10830A emission line: cosmological implications
- Virtual Journal - Volume 12, Issue 22 - article #39
- Y. I. Izotov (1), T. X. Thuan (2), N. G. Guseva (1) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) University of Virginia, Charlottesville, USA)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 5 Sep
- arXiv:1408.6953 [pdf, ps, other]
Primordial ⁴He abundance: a determination based on the largest sample of H II regions with a methodology tested on model H II regions
- Virtual Journal - Volume 11, Issue 45 - article #30
- Y. I. Izotov, G. StasiÃ…Â„ska and N. G. Guseva
- Astronomy and Astrophysics - Volume: 558, Issue: October 2013
- http://dx.doi.org/10.1051/0004-6361/201220782
  Abstract Full HTML PDF (2.847 MB) References Online Material NASA ADS Abstract Service
Primordial 4He abundance: a determination based on the largest sample of HII regions with a methodology tested on model HII regions
- Virtual Journal - Volume 11, Issue 32 - article #4
- Y. I. Izotov (1,2,3), G. Stasinska (1), N. G. Guseva (2 and 3) ((1) LUTH, Observatoire de Meudon, France, (2) Main Astronomical Observatory, Kyiv, Ukraine, (3) Max-Planck-Institut fuer Radioastronomie, Bonn, Germany)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 9 Aug
- arXiv:1308.2100 [pdf, ps, other]
The primordial abundance of 4He: evidence for non-standard big bang nucleosynthesis
- Virtual Journal - Volume 8, Issue 5 - article #10
- Y. I. Izotov (1), T. X. Thuan (2) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) University of Virginia, Charlottesville, USA)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 29 Jan
- arXiv:1001.4440 [ps, pdf, other]
The primordial abundance of 4He: a self-consistent empirical analysis of systematic effects in a large sample of low-metallicity HII regions
- Virtual Journal - Volume 5, Issue 6 - article #18
- Y. I. Izotov (1), T. X. Thuan (2), G. Stasinska (3) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) University of Virginia, Charlottesville, USA, (3) LUTH, Observatoire de Meudon, Meudon, France)
- ArXiv - Astrophysics
- astro-ph/0702072 [abs, ps, pdf, other]
The chemical composition of metal-poor emission-line galaxies in the Data Release 3 of the Sloan Digital Sky Survey
- Virtual Journal - Volume 3, Issue 47 - article #2
- Y. I. Izotov (1), G. Stasinska (2), G. Meynet (3), N. G. Guseva (1), T. X. Thuan (4) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) LUTH, Observatoire de Meudon, France, (3) Geneva Observatory, Switzerland, (4) University of Virginia, Charlottesville, USA)
- ArXiv – Astrophysics – November 2005
- astro-ph/0511644 [abs, ps, pdf, other]
SBS 0335-052W: The Lowest-Metallicity Star-Forming Galaxy Known
- Virtual Journal - Volume 3, Issue 25 - article #17
- Y. I. Izotov (1), T. X. Thuan (2), N. G. Guseva (1) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) Astronomy Department, University of Virginia, USA)
- ArXiv - Astrophysics – June 2005
- astro-ph/0506498 [ abs , ps , pdf , other ]
Abundance patterns in the low-metallicity emission-line galaxies from the Early Data Release of the Sloan Digital Sky Survey
- Virtual Journal - Volume 2, Issue 5 - article #31
- Y. I. Izotov, G. Stasinska, N. G. Guseva and T. X. Thuan
- Astronomy and Astrophysics - Vol. 415 No. 1
- Abstract , Full HTML , PDF file (679 KB) , PS file (122 KB)
Abundance patterns in the low-metallicity emission-line galaxies from the Early Data Release of the Sloan Digital Sky Survey
- Virtual Journal - Volume 1, Issue 20 - article #5
- Y. I. Izotov(1), G. Stasinska(2), N. G. Guseva(1), T. X. Thuan(3) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) LUTH, Observatoire de Meudon, France, (3) University of Virginia, Charlottesville, USA)
- arXiv.org - Astrophysics - Wed, 26 Nov 2003
- astro-ph/0311564 [ abs , ps , pdf , other ]
Systematic effects and a new determination of the primordial abundance of 4He and dY/dZ from observations of blue compact galaxies
- Virtual Journal - Volume 1, Issue 14 - article #8
- Y. I. Izotov(1), T. X. Thuan(2) ((1) Main Astronomical Observatory, Kyiv, Ukraine, (2) University of Virginia, Charlottesville, USA)
- arXiv.org - Astrophysics - Thu, 16 Oct 2003
- astro-ph/0310421 [ abs , ps , pdf , other ]

Results 1 - 14 of 14

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