Active areas on the flare star EV Lacertae

Details Active areas on the flare star EV Lacertae Active areas on the flare star EV Lacertae

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983iraj...16..149a&link_type=abstract

(Astronomical Science Group of Ireland, Meeting, Armagh, Northern Ireland, May 5, 1983) Irish Astronomical Journal (ISSN 0021-10

Astronomy and Astrophysics

Astronomy

Flare Stars, Stellar Activity, Stellar Flares, Light Curve, Main Sequence Stars

Scientific paper

The results of a long-term study of active areas on nearby lower main-sequence stars are considered. It is found that evidence for the association of stellar flares with spots and active areas in the sense of enhanced spectral emission at various levels in the stellar atmosphere is difficult to obtain. A statistical study of flaring alone might yield independent information on the location and the multiplicity of active areas. EV Lac is one of the few objects of the UV Ceti class for which there is a long series of observations. The existing flare data on EV Lac is full of interesting, unexplained temporal coincidences and relationships which require further statistical evaluation. It is noted that EV Lac possesses a possibly planetary companion of 0.002 to 0.004 solar masses.

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