GZ Andromeda, The More the Merrier

Details GZ Andromeda, The More the Merrier GZ Andromeda, The More the Merrier

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.6011w&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #60.11; Bulletin of the American Astronomical Society, Vol. 28, p.921

Mathematics

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Scientific paper

GZ Andromeda is a trapezium system consisting of five stars. The eclipsing pair of the quintuplet is a W-Ursae Majoris Type with a period of 0.305 days. This paper is a continuation of study begun in 1973, now presented with a WD-Light-Curve solution and new information on an astrometric companion revealed by a power spectrum analysis. The power spectrum analysis, of the ephemeris residuals, shows a peak probability that corresponds to 5.3 years and a semi amplitude of 8.6 minutes of time. The latter quantity is attributed to the light time effect of GZ AND and the astrometric binary revolving about a common center of gravity.

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