Observation of EX Hydrae with ASCA

Details Observation of EX Hydrae with ASCA Observation of EX Hydrae with ASCA

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasj...46l..81i&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan, vol. 46, no. 3, p. L81-L85

Astronomy and Astrophysics

Astrophysics

37

Cataclysmic Variables, Dwarf Stars, Stellar Radiation, X Ray Spectra, Abundance, Spectrum Analysis, Stellar Spectra, Temperature Effects

Scientific paper

We have observed the intermediate polar EX Hya with Advanced Satellite for Cosmology and Astrophysics (ASCA), and have clearly detected He-like and H-like K alpha emission lines from Mg to Fe. The intensity ratios of these pairs of lines are not compatible with an isothermal plasma, and a temperature distribution can no longer be parameterized by the conventional two emission component model. We have successfully decomposed iron line emission into thermal plasma component and flourescent component. The equivalent width of the flourescent component is approximately 80 eV.

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