The investigation of the binary system AM Herculis

Details The investigation of the binary system AM Herculis The investigation of the binary system AM Herculis

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988azh....65..797v&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 65, July-Aug. 1988, p. 797-806. In Russian.

Astronomy and Astrophysics

Astronomy

Binary Stars, Stellar Envelopes, Stellar Spectra, Stellar Systems, Emission Spectra, Line Of Sight, Line Spectra, Radial Velocity

Scientific paper

Results of spectral observations are examined, which indicate the outflow of matter from AM Herculis and the formation of a circustellar envelope around the binary system. It is shown that the place of the formation of narrow peaks of emission lines varies with light variation. The properties of the radial velocity curves obtained between 1976 and 1981 are compared. It is found that the differences between the curves can be explained by a variation of the magnetic axis inclination of the white dwarf with respect to the line of sight. No periodicity in the variation of the axial inclination was observed.

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