High-Resolution X-Ray Spectroscopy of the Symbiotic Star CH Cyg: \ any Need for Colliding Winds in Symbiotics?

Details High-Resolution X-Ray Spectroscopy of the Symbiotic Star CH Cyg: \ any Need for Colliding Winds in Symbiotics? High-Resolution X-Ray Spectroscopy of the Symbiotic Star CH Cyg: \ any Need for Colliding Winds in Symbiotics?

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..573w&link_type=abstract

Chandra Proposal ID #02300734

Physics

Chandra Proposal Id #02300734

Scientific paper

I have suggested a new interpretation of the X-ray spectra of symbiotic stars: that they are dominated by absorption by the partially-ionised wind of the red giant, and that there is no need for emission from colliding winds.
I propose to observe the bright symbiotic star CH Cyg with the Chandra HETGS/ACIS-S. The high-resolution spectrum will immediately resolve the emission/absorption ambiguity because individual absorption edges and emission lines will be directly observable. The detailed analysis of these features will provide a powerful probe of the wind of the red giant, and of wind accretion onto a white dwarf.

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