Cessation of optical flickering from the symbiotic star CH Cygni

Details Cessation of optical flickering from the symbiotic star CH Cygni Cessation of optical flickering from the symbiotic star CH Cygni

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2707....1s&link_type=abstract

The Astronomer's Telegram, #2707

Astronomy and Astrophysics

Astronomy

Optical, Request For Observations, Binaries, Cataclysmic Variables, Variables

Scientific paper

Observations of CH Cyg with the Kepler satellite and the 60 cm telescope of the National Astronomical Observatory Rozhen (Bulgaria) reveal that the minute-time-scale optical flickering that CH Cyg typically produces has disappeared. Kepler observations beginning 17 December, 2009, show flickering with approximate peak-to-peak amplitude of several mmag (on a time scale of less than an hour, in the Kepler bandpass) between 17 and 27 December, 2009.

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