Beat Phenomena in the Light Curve of VX Sgr

Details Beat Phenomena in the Light Curve of VX Sgr Beat Phenomena in the Light Curve of VX Sgr

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978javso...6...63s&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 6, no. 2, p. 63

Physics

1

Variables, Vx Sgr

Scientific paper

Power specvtrum analysis (see Smith, 1974) has been applied to 40 years of AAVSO observations of the red super-giant variable VX Sgr. The observed light curve can be represented as a superposition of 660, 750, and 810 day oscillations. Interference of these three oscillations explains the large range in amplitude discovered by Dinerstein (1973), though until further observations accumulate this result must be considered tentative.

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