A possible eruptive event on M-supergiant Mu-Cephei

Details A possible eruptive event on M-supergiant Mu-Cephei A possible eruptive event on M-supergiant Mu-Cephei

Apr 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...145..430a&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 145, no. 2, April 1985, p. 430-432. Research supported by the Self-Managed Com

Astronomy and Astrophysics

Astrophysics

1

Cool Stars, Semiregular Variable Stars, Stellar Flares, Stellar Mass Ejection, Supergiant Stars, Dwarf Stars, Light Curve, Optical Polarization, Stellar Luminosity

Scientific paper

The observation on August 3, 1981 of a sudden fast brightening of Mu-Cep, done with the Belgrade polarimeter using 4-sec integration intervals, is reported. The amplitude of the brightness change amounts to 0.034 stellar magnitude in the V spectral region, and the standard deviation of the measurements is + or - 0.011 mag. It is shown that the shape and duration of the disturbed portion of the light curve of the observed event evokes those of an ordinary M-dwarf flare.

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