Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63...94a&link_type=abstract
(Astronomicheskii Zhurnal, vol. 63, Jan.-Feb. 1986, p. 94-112) Soviet Astronomy (ISSN 0038-5301), vol. 30, Jan.-Feb. 1986, p. 57
Astronomy and Astrophysics
Astronomy
6
Emission Spectra, H Alpha Line, Radiant Flux Density, Stellar Spectra, Variable Stars, H Beta Line, Interstellar Extinction, Stellar Mass Ejection, Stellar Rotation
Scientific paper
Using the spectroscopic data of Vittone et al. (1983) and Margon et al. (1984) the absolute intensities of the stationary and moving emission lines in the spectrum of SS433 are determined in different phases of orbital (P = 13d.086) and precessional (P = 164d) periods, taking into account the strong interstellar reddening Av = 7m.85 and the variability of the continuum of this close binary system. It is found that the intensities of the stationary Hα, Hβ, He I emission lines vary regularly with phases of the orbital and precessional periods. It proves directly that the main part of intensities of the stationary emission lines is formed in the supercritical "precessing" accretion disk surrounding the relativistic object.
Asadullaev S. S.
Cherepashchuk Anatol M.
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