Physical conditions in the accretion disk of V603 Aquilae

Details Physical conditions in the accretion disk of V603 Aquilae Physical conditions in the accretion disk of V603 Aquilae

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...260..794f&link_type=abstract

Astrophysical Journal, Part 1, vol. 260, Sept. 15, 1982, p. 794-806.

Astronomy and Astrophysics

Astrophysics

30

Accretion Disks, Novae, Stellar Mass Accretion, Astrophysics, Balmer Series, Carbon, Continuous Spectra, Coronas, Helium, Light (Visible Radiation), Nitrogen, Oxygen, Ultraviolet Spectra

Scientific paper

Ultraviolet and optical spectra of the old nova V603 Aql are discussed. The UV-optical continuum is dominated by emission from the accretion disk. Emission lines from ions of H, He, C, N, and O are identified. These lines are probably formed in a circumstellar shell with radius comparable to the binary separation, density ten billion per cu cm, and a roughly solar chemical composition. This corona is probably heated by radiation emitted by the underlying accretion disk. Photoionization calculations of the structure and emission-line spectrum of the corona are presented, and the effects of this gas on the X-ray continuum are discussed.

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