2005A&A...439.1057S


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.04CET19:14:21

2005A&A...439.1057S - Astronomy and Astrophysics, volume 439, 1057-1060 (2005/9-1)

Envelope models for the supersoft X-ray emission of V1974 Cyg.

SALA G. and HERNANZ M.

Abstract (from CDS):

The evolution of the soft X-ray emission of V1974 Cyg has been simulated by a white dwarf envelope model with steady hydrogen burning. The comparison of the results obtained from ROSAT observations with the results of our envelope models indicates that the post-outburst evolution of the nova can be explained by steady H-burning on either a 0.9M white dwarf with 50% degree of mixing between solar-like accreted material and the ONe degenerate core, or on a 1.0M ONe white dwarf with 25% mixing.

Abstract Copyright:

Journal keyword(s): stars: individual: V1974 Cygni - stars: novae, cataclysmic variables - stars: white dwarfs - X-rays: binaries

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 - 2021
#notes
1 NOVA LMC 1995 No* 05 26 50.15 -70 01 26.4           ~ 40 1
2 NOVA Mus 1983 No* 11 52 02.35 -67 12 20.2   7.2       ~ 250 0
3 V* V1974 Cyg No* 20 30 31.61 +52 37 51.3           ~ 539 0

    Equat.    Gal    SGal    Ecl

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2021.03.04-19:14:21

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