The peculiar variable CH Cygni in 1981

Details The peculiar variable CH Cygni in 1981 The peculiar variable CH Cygni in 1981

Aug 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sval....8..257l&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Aug. 1982, p. 476-480) Soviet Astronomy Letters (ISSN 0360-0327), vol. 8, July-Aug.

Astronomy and Astrophysics

Astronomy

12

Peculiar Stars, Spectral Line Width, Stellar Spectra, Variable Stars, Balmer Series, Light Curve, Line Spectra, Radial Velocity, Stellar Mass Accretion, Stellar Spectrophotometry, Ultraviolet Spectroscopy

Scientific paper

Spectroscopy and photometry of the peculiar variable star CH Cyg carried out during 1981 are reported. At maximum light the star was approximately 0.5 m brighter than at any time in the past 20 years. The Balmer lines exhibited one absorption and two emission components. Beginning in June a Ti II 'shell' spectrum developed at a wavelength less than 4800 A. The gM6 spectrum was blanketed by a hot continuum which in the ultraviolet was approximately 20 times as intense. Rapid light fluctuations of amplitude less than or approximately equal to 0.25 m U were detected; their characteristic time was approximately 10 min. The unusual brightening and the observed behavior of the line profiles probably result from the accretion process entering a supercritical regime.

Affiliated with

Also associated with

No associations

Rating

The peculiar variable CH Cygni in 1981 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with The peculiar variable CH Cygni in 1981, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The peculiar variable CH Cygni in 1981 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-902796