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A three-color photoelectric investigation of the eclipsing binary system RZ Cassiopeiae
1976
Publications of the Astronomical Society of the Pacific
observations each were obtained in yellow, blue, and ultraviolet. RZ Cas has long been known to have a variable period, and a new ephemeris based on the author's observations is given. RZ Cas consists of an A2 V primary component paired with a subgiant component of spectral type about G5 IV. Solutions for its orbital elements were carried out using three different procedures; the Russell-Merrill method, the Kopal-Jurkevich iterative method, and the Wood triaxial ellipsoid model. For the first
doi:10.1086/129890
fatcat:viwpnr5bt5dingl3flr2jxggmm