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Abstract
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 0 are identified. These lines are probably formed in a circumstellar shell with radius comparable to the binary separation, density ~1010 cm-3, 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.
Document Type
Article
Publication Date
9-15-1982
Digital Object Identifier (DOI)
http://dx.doi.org/10.1086/160298
Repository Citation
Ferland, Gary J.; Lambert, D. L.; McCall, M. L.; Shields, G. A.; and Slovak, M., "Physical Conditions in the Accretion Disk of V603 Aquilae" (1982). Physics and Astronomy Faculty Publications. 184.
https://uknowledge.uky.edu/physastron_facpub/184
Notes/Citation Information
Published in The Astrophysical Journal, v. 260, no. 2, p. 794-806.
© 1982. The American Astronomical Society. All rights reserved.
The copyright holder has granted permission for posting the article here.