High Resolution X-Ray Spectroscopy of Gamma Cassiopeia

Details High Resolution X-Ray Spectroscopy of Gamma Cassiopeia High Resolution X-Ray Spectroscopy of Gamma Cassiopeia

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..564s&link_type=abstract

Chandra Proposal ID #02200688

Computer Science

Chandra Proposal Id #02200688

Scientific paper

Gamma Cas is a unique Be X-ray source with erratic "shots," a hard spectrum, and a high flux level between that of single Be stars and the Be/X-ray binaries. Previous low resoluution data have shown both slow, correlated X-ray and UV variability and fast variability reminiscent to that attributed to magnetic flaring activity in cool stars. We propose to use the HETG to study the properties of the temperature, density, composition, bulk motions and ionization processes in the circumstellar environment of this unusual hot star. This will serve to shed light on the nature of the energetic processes occuring on this star.

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