Spectral study of the flare star EV Lac

Details Spectral study of the flare star EV Lac Spectral study of the flare star EV Lac

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap.....49..488m&link_type=abstract

Astrophysics, Volume 49, Issue 4, pp.488-496

Astronomy and Astrophysics

Astrophysics

1

Stars, Flare, Spectra &Mdash, Individual, Ev Lac

Scientific paper

Spectral observations of the flare star EV Lac made on the 2.6-m telescope at the Byurakan Observatory in 2000 2002 are reported. A powerful flare was detected and it was possible to follow the variation in the equivalent widths of the Hα and Hβ lines, both during the flare and during the quiescent phase of the star. It is shown that the profiles and equivalent widths of the lines underwent substantial changes. The equivalent widths of these emission lines reached a maximum roughly 40 min after the flare maximum.

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