Astronomy and Astrophysics – Astrophysics
Scientific paper
Jun 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...232..387h&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 232, no. 2, June 1990, p. 387-395. Research supported by Lockheed Independent
Astronomy and Astrophysics
Astrophysics
15
Flare Stars, M Stars, Stellar Flares, Stellar Rotation, B Stars, Calibrating, Exosat Satellite, Iue, Light Curve, Solar Flares, X Ray Spectra
Scientific paper
Results are reported from simultaneous Exosat and IUE observations of flaring in Proxima Cen on March 2, 1985. The data are presented in extensive tables and sample spectra and discussed in detail. The peak emission of the soft-X-ray flare is found to be about 3 x 10 to the 27th erg/sec, with energy about 3 x 10 to the 30th erg and an associated increase in Mg II flux to 17,000-67,000 erg/sq cm sec, or about an order of magnitude lower than the solar value. The presence of flare- and microflare-related processes heating the corona is inferred.
Butler John C.
Foing Bernard
Giampapa Mark S.
Haisch Bernard M.
Rodono' Marcello
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