Abstract

view Abstract Citations (131) References (49) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Coordinated Einstein and IUE observations of a disparitions brusques type flare event and quiescent emission from Proxima Centauri. Haisch, B. M. ; Linsky, J. L. ; Bornmann, P. L. ; Stencel, R. E. ; Antiochos, S. K. ; Golub, L. ; Vaiana, G. S. Abstract The Einstein Imaging Particle Counter observed a major X-ray flare in its entirety during a 5-hr period of simultaneous observations, with the IUE, of the dM5e flare star Proxima Centauri in August, 1980. The detailed X-ray light curve, temperature determinations during various intervals, and UV line fluxes obtained before, during, and after the flare indirectly indicate a 'two-ribbon flare' prominence eruption. The calculated ratio of coronal to bolometric luminosity for the event is about 100 times the solar ratio. The Proxima Cen corona is analyzed in the context of static loop models, in light of which it is concluded that less than 6% of the stellar surface seems to be covered by X-ray emitting active regions. Publication: The Astrophysical Journal Pub Date: April 1983 DOI: 10.1086/160866 Bibcode: 1983ApJ...267..280H Keywords: Flare Stars; Heao 2; Iue; Stellar Coronas; Stellar Flares; X Ray Sources; Coronal Loops; Solar Corona; Stellar Luminosity; Stellar Temperature; Ultraviolet Spectra; Astrophysics full text sources ADS | data products SIMBAD (1) MAST (1) INES (1)

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