Dynamic phenomena on the RS Canum Venaticorum binary Pi Pegasi in August 1989. I - Observational data

Details Dynamic phenomena on the RS Canum Venaticorum binary Pi Pegasi in August 1989. I - Observational data Dynamic phenomena on the RS Canum Venaticorum binary Pi Pegasi in August 1989. I - Observational data

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26as...96..351d&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 96, no. 2, p. 351-373.

Astronomy and Astrophysics

Astronomy

19

Binary Stars, Ginga Satellite, Stellar Flares, Stellar Physics, Abundance, Balmer Series, Emission Spectra, Spaceborne Astronomy, Stellar Temperature, X Ray Spectra

Scientific paper

Observational results are given for two flares in Pi Pegasi that were detected by the GINGA and IUE satellites, as well as by ground-based Johnson U-band photometry and optical spectroscopy. The best-fitting results were obtained for a combination of a single-temperature plasma together with a power law; for a two-temperature model, the temperature of the second component was very high due to the tail in the photon distribution.

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