Photometric investigation of the eclipsing binary star DR VUL - Orbital parameters and apsidal motion

Details Photometric investigation of the eclipsing binary star DR VUL - Orbital parameters and apsidal motion Photometric investigation of the eclipsing binary star DR VUL - Orbital parameters and apsidal motion

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988azh....65..108k&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 65, Jan.-Feb. 1988, p. 108-116. In Russian.

Astronomy and Astrophysics

Astronomy

5

Apsides, Astronomical Photometry, Eclipsing Binary Stars, Orbital Elements, Stellar Orbits, Electrophotometry, Stellar Models, Ubv Spectra

Scientific paper

Multicolor UBV photometric observations for the eclipsing binary star DR Vul have been carried out. Photometric elements and absolute characteristics have been determined. The apsidal parameter value k2,1 = k2,2 = 0.0090, determined on the basis of the obtained physical characteristics of the system, is in good agreement with the theoretical values for models of main-sequence stars.

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