X-rays from Eta Carinae

Details X-rays from Eta Carinae X-rays from Eta Carinae

Jun 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...281..665c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 281, June 15, 1984, p. 665-672.

Astronomy and Astrophysics

Astrophysics

59

Nebulae, Stellar Envelopes, Variable Stars, X Ray Sources, Astronomical Maps, Morphology, Spectral Energy Distribution, Stellar Models, X Ray Spectroscopy

Scientific paper

X-ray observations of Eta Car obtained with the high-resolution imager and solid-state spectrometer of the Einstein observatory are reported and interpreted in terms of a two-shell model. A soft component with temperature 5 million K is located in the expanding outer shell, and the hard core component with temperature 80 million K is attributed to the interaction of a high-velocity stellar wind from the massive central object with the inner edge of a dust shell. Model calculations based on comparison with optical and IR data permit estimation of the mass of the outer shell (0.004 solar mass), the mass of the dust shell (3 solar mass), and the total shell expansion energy (less than 2 x 10 to the 49th ergs).

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