High Temporal Resolution Spectra of Flare Stars

Bibcode
2004IAUS..219..910M
Montes, D.; Crespo-Chacón, I.; Fernández-Figueroa, M. J.; López-Santiago, J.; García-Alvarez, D.; Foing, B. H.
Bibliographical reference

Stars as suns : activity, evolution and planets, Proceedings of the 219th symposium of the International Astronomical Union held during the IAU General Assembly XXV, Sydney, Australia, 21-25 July 2003. Edited by A.K. Dupree and A.O. Benz. San Francisco, CA: Astronomical Society of the Pacific (ASP), 2004. Available on companion CD-ROM., p.910

Advertised on:
1
2004
Number of authors
6
IAC number of authors
0
Citations
5
Refereed citations
3
Description
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.
Type
Non-refereed
Chromospheres

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