Flares on AM Canum Venaticorum

Details Flares on AM Canum Venaticorum Flares on AM Canum Venaticorum

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...189..119m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 189, no. 1-2, Jan. 1988, p. 119-123.

Astronomy and Astrophysics

Astrophysics

5

Binary Stars, Cataclysmic Variables, Stellar Flares, Visible Spectrum, White Dwarf Stars, Stellar Models, Stellar Spectrophotometry

Scientific paper

AM CVn, an interacting binary system consisting of two helium white dwarfs, has been classified as a nova-like object. Normally it exhibits only small amplitude modulations of 0.05 mag with a 1051 s periodicity. The authors report what is believed to be for the first time, two unusually intense optical flares in AM CVn during 1985 - 87. The characteristics of the two flares in white light observed on 1985 February 24 and 1986 February 7 with Δm = 0.34 and Δm = 1.07 respectively are described. The authors estimate the maximum amount of energy released from these flares as 2.7×1036erg and suggest in the light of current models possible sites of origin of the flaring activity.

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