A preflare diminution in the quiescent flux of EQ Pegasi

Details A preflare diminution in the quiescent flux of EQ Pegasi A preflare diminution in the quiescent flux of EQ Pegasi

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252l..39g&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 252, Jan. 1, 1982, p. L39-L42.

Astronomy and Astrophysics

Astrophysics

20

Binary Stars, Dwarf Stars, Flare Stars, M Stars, Radiant Flux Density, Stellar Spectrophotometry, Emission Spectra, Line Spectra, Stellar Flares

Scientific paper

The occurrence of a remarkable flare event on EQ Peg is reported as recorded by high speed photometry in the Johnson U band: a stellar flare event is immediately preceded by a well-defined decline in the quiescent flux of the star. The U band flux decays to a minimum level that is 75% of the stellar quiescent flux, and the duration of the so-called negative flare event is 2.7 minutes. A description of the observation is presented and hypotheses are discussed that may eventually account for this phenomenon.

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