Flare activity on UV Ceti - Visible and IUE observations

Details Flare activity on UV Ceti - Visible and IUE observations Flare activity on UV Ceti - Visible and IUE observations

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235..573p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 1, 1988, p. 573-583. Research supported by SE

Other

20

Astronomical Spectroscopy, Flare Stars, Stellar Flares, Stellar Spectrophotometry, Ultraviolet Spectroscopy, Balmer Series, Far Ultraviolet Radiation, H Beta Line, H Gamma Line, Red Shift

Scientific paper

Simultaneous far-ultraviolet (IUE) spectroscopy and optical photometry and spectrophotometry of a flare on UV Ceti are reported. The flare reached ΔU = 2 mag but showed only modest enhancements in the IUE spectra. The optical spectrophotometry indicated broadened Balmer line profiles during the flare, with Hβ and Hγ clearly showing red wings (≡100 km s-1). The results are compared with other IUE and optical observations of UV Ceti, and their solar analogues.

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