Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.137..151e&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 137, no. 1, Oct. 1987, p. 151-166.
Astronomy and Astrophysics
Astrophysics
4
Eclipsing Binary Stars, Electrophotometry, Light Curve, Spectral Energy Distribution, Stellar Spectrophotometry, Ubv Spectra, Astronomical Catalogs, Spectrum Analysis
Scientific paper
The RS CVn-type eclipsing binary MM Her was observed photoelectrically in B and V colours. The light curves obtained in 1984 and 1985 are presented. It was found that the depths of the primary minima are decreased from 1983 to 1985. However, the amplitude of the wave-like distortion outside the eclipses was detected to increase since 1976. The period of migration was determined to be about 3.57±0.08 years.
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