Discovery of flare activity on the dwarf M stars, GL 375 and GL 431

Details Discovery of flare activity on the dwarf M stars, GL 375 and GL 431 Discovery of flare activity on the dwarf M stars, GL 375 and GL 431

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26as...86..403d&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 86, no. 3, Dec. 1990, p. 403-414.

Astronomy and Astrophysics

Astrophysics

11

Dwarf Stars, Flare Stars, M Stars, Stellar Flares, Stellar Spectrophotometry, Balmer Series, Emission Spectra, Infrared Photometry, Stellar Spectra

Scientific paper

Optical and infrared photometry plus spectroscopic data is present for two new flare stars, Gl 375 and Gl 431. Both of these stars have the hydrogen Balmer lines strongly in emission. Several flares were detected on Gl 375 implying a high level of flare activity. The H-alpha surface flux of 1.0 x 10 to the 6th erg/sq cm per sec for both stars is similar to that of other active flare stars. Fluxes are given for several of the higher Balmer lines.

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