Spectral variations in CH Cygni during the activity phase in 1982

Details Spectral variations in CH Cygni during the activity phase in 1982 Spectral variations in CH Cygni during the activity phase in 1982

Mar 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.131..747s&link_type=abstract

(IAU, Colloquium on Cataclysmic Variables. Recent Multi-Frequency Observations and Theoretical Developments, 93rd, Bamberg, West

Astronomy and Astrophysics

Astrophysics

3

Periodic Variations, Radial Velocity, Spectral Energy Distribution, Stellar Activity, Stellar Spectrophotometry, Symbiotic Stars, Accretion Disks, Cool Stars, Hot Stars, M Stars, Mass Transfer, Stellar Oscillations

Scientific paper

Rapid variations of the radial velocities of absorption components of Ti II line in CH Cyg are presented. The periods of these variations are determined to 1.89 and 41.07 days in 1982. The variations are interpreted through oscillations in the mass transfer from the M component onto the accretion disk of the companion during periastron passage.

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