2009ApJ...696..608H


Query : 2009ApJ...696..608H

2009ApJ...696..608H - Astrophys. J., 696, 608-619 (2009/May-1)

The impact of neutrino magnetic moments on the evolution of massive stars.

HEGER A., FRIEDLAND A., GIANNOTTI M. and CIRIGLIANO V.

Abstract (from CDS):

We explore the sensitivity of massive stars to neutrino magnetic moments. We find that the additional cooling due to the neutrino magnetic moments brings about qualitative changes to the structure and evolution of stars in the mass window 7 M☉≲ M ≲ 18 M☉, rather than simply changing the timescales for the burning. We describe some of the consequences of this modified evolution: the shifts in the threshold masses for creating core-collapse supernovae and oxygen-neon-magnesium white dwarfs and the appearance of a new type of supernova in which a partial carbon-oxygen core explodes within a massive star. The resulting sensitivity to the magnetic moment is at the level of (2-4)x10–11 µB.

Abstract Copyright: ∼

Journal keyword(s): neutrinos - stars: evolution - stars: interiors - supergiants

Simbad objects: 3

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Number of rows : 3
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 2003gd SN* 01 36 42.65 +15 44 19.9     13.2     SNIIP 267 2
2 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
3 SN 2008bk SN* 23 57 50.42 -32 33 21.5           SNIIP 167 2

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