2008ApJ...672.1043Y

Query : 2008ApJ...672.1043Y

2008ApJ...672.1043Y - Astrophys. J., 672, 1043-1053 (2008/January-2)

ν-Process nucleosynthesis in population III core-collapse supernovae.

YOSHIDA T., UMEDA H. and NOMOTO K.

Abstract (from CDS):

We investigate the effects of neutrino-nucleus interactions (the ν-process) on the production of iron-peak elements in Population III core-collapse supernovae. The ν-process and the following proton and neutron capture reactions produce odd-Z iron-peak elements in the complete and incomplete Si-burning region. This reaction sequence enhances the abundances of Sc, Mn, and Co in the supernova ejecta. Supernova explosion models of 15 and 25 M☉ stars with the ν-process reproduce well the average Mn/Fe ratio observed in extremely metal-poor halo stars. In order to reproduce the observed Mn/Fe ratio, the total neutrino energy in the supernovae should be 3-9x1053 ergs. Stronger neutrino irradiation and other production sites are necessary to reproduce the observed Sc/Fe and Co/Fe ratios, although these ratios increase by the ν-process.

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Journal keyword(s): Galaxy: Halo - Neutrinos - Nuclear Reactions, Nucleosynthesis, Abundances - Stars: Supernovae: General

Simbad objects: 1

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Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SN 2005bf SN* 10 23 56.99 -03 11 29.3     18.0     SNIb 225 1

Query : 2008ApJ...672.1043Y

Basic data :
SN 2005bf -- SuperNova
Other object types: otypes_help 		SN* (2012A&A,SN)
ICRS coord. (ep=J2000) : 		10 23 56.99 -03 11 29.3 [ ] D 2005IAUC.8507....1M
FK4 coord. (ep=B1950 eq=1950) : 		10 21 24.72 -02 56 16.1 [ ]
Gal coord. (ep=J2000) : 		247.56228 +43.27341 [ ]
Radial velocity / Redshift / cz : 		V(km/s) 5613 [~] / z(~) 0.0189 [~] / cz 5666 [~]
   D 2014MNRAS.437.3848L
Spectral type: 		SNIb C 2014AJ....147...99M
Fluxes (1) :
V 18.0 [~] D 2008yCat.2283....0B
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SN 2005bf

References (225 between 1850 and 2026) (Total 225)
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