Results of photoelectric observations of V 1057 CYG

Details Results of photoelectric observations of V 1057 CYG Results of photoelectric observations of V 1057 CYG

Jul 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983afz....19..525o&link_type=abstract

(Astrofizika, vol. 19, July-Sept. 1983, p. 525-532) Astrophysics (ISSN 0571-7132), vol. 19, no. 3, Jan. 1984, p. 296-300. Transl

Astronomy and Astrophysics

Astrophysics

Stellar Spectrophotometry, Variable Stars, Brightness, H Alpha Line, Light Curve, Stellar Flares, Ubv Spectra

Scientific paper

The results of photoelectric UBV and Hα observations of V1057 Cyg accomplished during 1978 - 1981 are presented. It is shown that the brightness of the star in B and V bands diminishes in waves, having a characteristic time of more than 200 days. The mean rate of brightness decrease during 1979 - 1981 has increased in comparison to that during 1976 - 1979. An irregular change of brightness is observed in the U band and Hα line.

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