ST Camelopardalis: A doubly periodic semiregular variable star

Details ST Camelopardalis: A doubly periodic semiregular variable star ST Camelopardalis: A doubly periodic semiregular variable star

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001jbaa..111...40h&link_type=abstract

Journal of the British Astronomical Association, vol.111, no.1, p.40-42

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The BAAVSS data for the semiregular variable ST Camelopardalis is analysed showing periods of 201.0 and 368.6 days (ratio of approximately 1.8). This star was not previously known to be doubly periodic. The amplitudes of the periods tend to vary inversely, the variate itself having a period of about 2200 days. Pulsational mode switching is discussed as a possible mechanism for these effects.

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