Long-term period changes and photometric orbital solution of RZ Draconis

Details Long-term period changes and photometric orbital solution of RZ Draconis Long-term period changes and photometric orbital solution of RZ Draconis

Jun 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980acasn..21..158z&link_type=abstract

Acta Astronomica Sinica, vol. 21, June 1980, p. 158-171. In Chinese, with abstract in English.

Astronomy and Astrophysics

Astronomy

4

Astronomical Photometry, Eclipsing Binary Stars, Light Curve, Secular Variations, Annual Variations, Electrophotometry, Long Term Effects, Stellar Mass

Scientific paper

Photoelectric observations of the short-period eclipsing system RZ Dra were carried out with the 60-cm reflector at Xinglong station from May to August 1978. A light curve was obtained and analyzed by three different rectification formulas. The primary minimum was determined to be an annular eclipse and shown to have a longer eclipse duration than the secondary minimum. Two possible figures of RZ Dra are discussed in order to explain the secular variations and to estimate the masses of the two components.

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