2003ApJ...595.1094U

Query : 2003ApJ...595.1094U

2003ApJ...595.1094U - Astrophys. J., 595, 1094-1100 (2003/October-1)

Evolution of rotating accreting white dwarfs and the diversity of type Ia supernovae.

UENISHI T., NOMOTO K. and HACHISU I.

Abstract (from CDS):

Type Ia supernovae (SNe Ia) have relatively uniform light curves and spectral evolution, which make SNe Ia useful standard candles to determine cosmological parameters. However, the peak brightness is not completely uniform, and the origin of the diversity has not been clear. We examine whether the rotation of progenitor white dwarfs (WDs) can be the important source of the diversity of the brightnesses of SNe Ia. We calculate the structure of rotating WDs with an axisymmetric hydrostatic code. The diversity of the mass induced by the rotation is ∼0.08M_☉and is not enough to explain the diversity of luminosity. However, we found the following relation between the initial mass of the WDs and their final state; a WD of smaller initial mass will rotate more rapidly just before the supernova explosion than that of larger initial mass. This result might explain the dependence of SNe Ia on their host galaxies.

Abstract Copyright: ∼

Journal keyword(s): Stars: Binaries: Close - Stars: Supernovae: General - Stars: White Dwarfs

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 2000cx	SN*	01 24 46.150	+09 30 30.89						SNIap	227	1

Query : 2003ApJ...595.1094U

Basic data :

SN 2000cx -- SuperNova
Other object types:	`SN* (2012MNRAS,SN)`, `V* (AAVSO)`
ICRS coord. (ep=J2000) :	`01 24 46.150 +09 30 30.89 (Optical) [ ] D 2022PASA...39...46C`
FK4 coord. (ep=B1950 eq=1950) :	`01 22 08.464 +09 14 54.37 [ ]`
Gal coord. (ep=J2000) :	`136.505730 -52.482510 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 2091 [~] / z(~) 0.0070 [~] / cz 2099 [~] D 2003ApJ...594....1T`
Spectral type:	`SNIap C` `2015ApJS..220....9F`

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SN 2000cx AAVSO 0119+08

References (227 between 1850 and 2026) (Total 227)
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