Interpretation of Astron observations of flares of the star EV Lac

Details Interpretation of Astron observations of flares of the star EV Lac Interpretation of Astron observations of flares of the star EV Lac

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989azh....66..307k&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 66, Mar.-Apr. 1989, p. 307-316. In Russian.

Astronomy and Astrophysics

Astrophysics

4

Flare Stars, Line Spectra, Stellar Flares, Stellar Temperature, Ultraviolet Radiation, Chromosphere, Gas Dynamics, Shock Waves, Stellar Models

Scientific paper

Observations of EV Lac obtained with the Astron astrophysical observatory are analyzed. An emission measure of about 3 x 10 to the 50th/cu cm was found for the faint-glow region in the C IV lines, which is close to the value for the flare transition region. It appears that Astron observed the formation of a radiative shock wave accompanying explosive vaporization of the chromosphere.

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