Resolving the X-Ray Spectrum of the Extremely Massive, Superluminous Star Eta Carinae with AXAF

Details Resolving the X-Ray Spectrum of the Extremely Massive, Superluminous Star Eta Carinae with AXAF Resolving the X-Ray Spectrum of the Extremely Massive, Superluminous Star Eta Carinae with AXAF

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..130c&link_type=abstract

Chandra Proposal ID #01200684

Physics

Chandra Proposal Id #01200684

Scientific paper

Eta Car may be the most massive and luminous star in the Galaxy (Davidson and Humphreys 1997). It has remained a mystery shrouded behind a thick massive cloud of ejecta. X-ray emission is both a probe through this curtain and a probe of this curtain. AXAF grating spectroscopy will help us make the next leap forward by addressing currently unresolved questions about the velocity field near the star, the stellar abundances and possible abundance gradients in the circumstellar ejecta, the processes of line excitation, and the nature of the hard X-ray emission and the nature of the star (or stars).

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