Jan 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985nascp2358...86s&link_type=abstract
In its The Origin of Nonradiative Heating/Momentum in Hot Stars p 86-90 (SEE N85-17755 08-88)
Other
Stellar Coronas, Stellar Spectra, Stellar Temperature, X Ray Spectra, Early Stars, Heao 2, Late Stars, Temperature Distribution
Scientific paper
The solid state spectrometer (SSS) on the Einstein Observatory (HEAO 2) was sensitive in the energy range 0.5 to 4.5 keV to fluxes as low as 4x10 to the 12th power ergs/cu cm/s. Good spectra were obtained for 19 stars, including Algol, 7 RS CVn systems, 2 dMe stars, 2 W UMa binaries, 1 GV single star, and 3 0B supergiants, 2 BV stars and 1 07 binary. This is a very incomplete survey of stellar coronae, but it does include coverage of several late and early types and usually more than 1 sample of the class. The results for these stars suggest two generalizations despite the small numbers: (1) there is a broad variety of X-ray spectra of stellar coronae; and (2) there probably are X-ray spectral types (X-ray coronae of stars of similar other properties have similar temperatures). Evidence indicating that some emission distributions are bimodal is discussed. Finally, some remarks are made concerning the spectra of the early type stars and constraints on the presence of very high temperatures.
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