High Temporal Resolution Spectra of Flare Stars

Details High Temporal Resolution Spectra of Flare Stars High Temporal Resolution Spectra of Flare Stars

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..219..910m&link_type=abstract

Stars as suns : activity, evolution and planets, Proceedings of the 219th symposium of the International Astronomical Union held

Astronomy and Astrophysics

Astronomy

4

Stars: Flare, Stars: Chromospheres

Scientific paper

The results of a high temporal resolution spectroscopic monitoring of the UV Cet type fare stars AD Leo and V1054 Oph are reported. Intermediate resolution optical spectra of these stars were taken using the IDS spectrograph of the 2.5 m Isaac Newton Telescope (INT) of El Roque de los Muchachos Observatory (Spain) during 4 nights (2-5 April 2001). We have obtained high temporal resolution by taking series of spectra with short exposure times (15-300 sec) separated only by the CCD readout time (~60 sec). The great number of spectra observed each night has allowed us to analyse the temporal evolution of the emission lines and to identify several fares of different intensity and duration.

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