2009ApJ...704.1676K


C.D.S. - SIMBAD4 rel 1.7 - 2020.04.06CEST13:56:34

2009ApJ...704.1676K - Astrophys. J., 704, 1676-1688 (2009/October-3)

A universal decline law of classical novae. IV. V838 Her (1991): a very massive white dwarf.

KATO M., HACHISU I. and CASSATELLA A.

Abstract (from CDS):

We present a unified model of optical and ultraviolet (UV) light curves for one of the fastest classical novae, V838 Herculis (Nova Herculis 1991), and estimate its white dwarf (WD) mass. Based on an optically thick wind theory of nova outbursts, we model the optical light curves with free-free emission and the UV 1455 Å light curves with blackbody emission. Our models of 1.35±0.02 M WD simultaneously reproduce the optical and UV 1455 Å observations. The mass lost by the wind is ΔMwind∼ 2x10–6 M. We provide new determinations of the reddening, E(B - V) = 0.53 ±0.05, and of the distance, 2.7±0.5 kpc.

Abstract Copyright:

Journal keyword(s): novae, cataclysmic variables - stars: individual: V838 Herculis - stars: mass loss - ultraviolet: stars - white dwarfs

Status at CDS:  

Simbad objects: 13

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Number of rows : 13

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 V* V723 Cas No* 01 05 05.3607495884 +54 00 40.237067501   14.29       ~ 175 0
2 NOVA LMC 1991 a No* 05 03 44.96 -70 18 13.5           ~ 56 0
3 NOVA Pup 1991 No* 08 11 38.38 -35 07 30.4           ~ 114 0
4 NOVA Vel 1999 No* 10 44 48.39 -52 25 30.7           ~ 167 0
5 NOVA Mus 1983 No* 11 52 02.35 -67 12 20.2   7.2       ~ 249 0
6 V* RS Oph No* 17 50 13.1592776879 -06 42 28.481553668   12.29 4.30     OB+M2ep 918 0
7 NOVA CrA 1981 No* 18 41 57.8 -37 31 14           ~ 116 0
8 NOVA Her 1991 No* 18 46 31.56 +12 14 00.7           ~ 256 0
9 NOVA Vul 1984 b No* 20 26 45.94 +27 50 42.2           ~ 237 0
10 V* V1974 Cyg No* 20 30 31.61 +52 37 51.3           ~ 534 0
11 V* V1500 Cyg No* 21 11 36.5811336631 +48 09 01.950330133   17.9       ~ 736 0
12 NOVA Cyg 1978 No* 21 42 35.22 +44 01 54.9   20.0       ~ 213 0
13 NOVA And 1986 No* 23 12 05.76 +47 28 19.7           ~ 99 0

    Equat.    Gal    SGal    Ecl

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2020.04.06-13:56:34

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