Optical flares from the dwarf M star V577Mon (Gliese 234AB = Ross 614)

Details Optical flares from the dwarf M star V577Mon (Gliese 234AB = Ross 614) Optical flares from the dwarf M star V577Mon (Gliese 234AB = Ross 614)

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...208..208d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 208, no. 1-2, Jan. 1989, p. 208-212.

Astronomy and Astrophysics

Astrophysics

12

Dwarf Stars, Flare Stars, Light Emission, M Stars, Synchrotron Radiation, Balmer Series, Emission Spectra, Near Infrared Radiation, Spectral Energy Distribution

Scientific paper

The paper describes a search for flaring on the Balmer emission line star, Gliese 234 AB. Ten flares were detected in a total monitoring time of 4.6 h, implying a very high level of activity. The time-averaged flare energy in the Johnson U-band is slightly greater than measured previously but due to the small number of hours of observations it is best to use the mean of these two measurements. Relative energies are given for the U, B, V, R, and I bands for a 3.8 mag U-band flare which had a 45 s rise time and 20 min decay time. Of the various models fitted to the flare data, bound-free emission seems the most promising.

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