Longterm AAVSO Observations of the Symbiotic System CH Cygni

Details Longterm AAVSO Observations of the Symbiotic System CH Cygni Longterm AAVSO Observations of the Symbiotic System CH Cygni

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992javso..21...23k&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 21, no. 1, p. 23-28

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Scientific paper

The 10-day means of AAVSO observations from 1948 to 1992 have ben analyzed for the symbiotic star CH Cygni, using the Horne-Baliunas period searching technique. The data have been divided into 4 segments corresponding to quiescent or outburst phases of the system. Several periods (738+-, 338+-, 155+-, 101+- days) are detected in each segment. In addition periodicity of 17-years is detected in the Fourier transform of the entire data set. The results of this study are compared with those obtained by other researchers using different data sets and or period-analysis techniques.

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