2005A&A...439..205C


C.D.S. - SIMBAD4 rel 1.7 - 2020.11.25CET10:21:57

2005A&A...439..205C - Astronomy and Astrophysics, volume 439, 205-211 (2005/8-3)

Classical novae in outburst: evolution of the ultraviolet emission lines in CO novae.

CASSATELLA A., ALTAMORE A. and GONZALEZ-RIESTRA R.

Abstract (from CDS):

A comparative study is made of the temporal changes of the ionization level in seven CO novae well monitored with the IUE satellite at low resolution. The investigation is based on the evolution of the fluxes in eight strong ultraviolet emission lines covering a wide range of ionization potentials, from MgII (7.6eV) to NV (77.5eV). We find that the rate of increase of the ionization conditions in the emitting regions is uniform in the sample of novae considered, provided the time scale is normalized to the optical decay time t3. The implications of this result for the nova ejected masses and for the nuclear turnoff time are discussed.

Abstract Copyright:

Journal keyword(s): stars: novae, cataclysmic variables - techniques: image processing - ultraviolet: stars - methods: data analysis

Simbad objects: 11

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Number of rows : 11

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 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 11090 1
2 NOVA LMC 1991 a No* 05 03 44.96 -70 18 13.5           ~ 58 0
3 NOVA LMC 1992 No* 05 19 19.82 -68 54 35.0           ~ 28 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 15051 1
5 NOVA LMC 1988 a No* 05 35 29.53 -70 21 30.9           ~ 49 0
6 NAME Vir I ClG 12 26 32.1 +12 43 24   10.00 8.49     ~ 5925 0
7 V* DQ Her No* 18 07 30.2510755201 +45 51 32.564649735   12.99 15.16 11.46   M3+Ve 965 1
8 V* PW Vul No* 19 26 05.06 +27 21 58.8           ~ 190 0
9 NOVA Cyg 1978 No* 21 42 35.22 +44 01 54.9   20.0       ~ 216 0
10 NOVA And 1986 No* 23 12 05.76 +47 28 19.7           ~ 100 0
11 V* V705 Cas No* 23 41 47.19 +57 30 59.5           ~ 179 0

    Equat.    Gal    SGal    Ecl

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2020.11.25-10:21:57

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