Light curve variations of the RS CVn-type eclipsing binary ER Vulpeculae

Details Light curve variations of the RS CVn-type eclipsing binary ER Vulpeculae Light curve variations of the RS CVn-type eclipsing binary ER Vulpeculae

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.169..165k&link_type=abstract

(IAU, European Regional Astronomy Meeting on New Windows to the Universe, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics a

Astronomy and Astrophysics

Astrophysics

2

Eclipsing Binary Stars, Light Curve, Stellar Spectrophotometry, Emission Spectra, G Stars, K Stars, Subgiant Stars, Ubv Spectra

Scientific paper

Photoelectric observations of the double-lined spectroscopic and eclipsing binary ER Vul were obtained in B and V colors of Johnson's UBV system, between 1981 and 1986. The light curves show that the system is sometimes very active and sometimes very quiet and have changes in short time intervals. The wave-like distortion, which is superimposed on the light curves, has been obtained. Moreover, small-amplitude light fluctuations in the light curves are noticeable.

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