The UV spectra of two old novae (HR Del and V 603 Aql)

Details The UV spectra of two old novae (HR Del and V 603 Aql) The UV spectra of two old novae (HR Del and V 603 Aql)

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980esasp.157...87d&link_type=abstract

The second European International Ultraviolet Explorer (IUE) Conference, held 26-28 March 1980 in Tübingen, West Germany. Edited

Astronomy and Astrophysics

Astronomy

7

Iue, Novae, Stellar Mass Ejection, Stellar Winds, Ultraviolet Astronomy, Absorption Spectra, Black Body Radiation, Disks (Shapes), Interstellar Extinction, Photosphere, Stellar Luminosity, Stellar Mass Accretion

Scientific paper

Two old novae observed by the International Ultraviolet Explorer (short and long wavelength regions) are discussed. Reddening was evaluated by the disappearance of the absorption feature at 2200 A. This determination permitted the evaluation of the UV fluxes and the fitting of the HR Dephini flux to an approximate 40,000 K blackbody curve and a power law for far UV wavelength. V 603 Aql is better fitted by two blackbody curves of about 50,000 K and 8000 K for far UV wavelengths. An evaluation of the total emitted energy is given. A P Cygni profile was found for the C 4 doublet in the HR Del spectrum and allows the determination of a minimum mass loss rate and provides some information on the nature of the stellar wind.

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