Emission from Early-Type Stars

Details Emission from Early-Type Stars Emission from Early-Type Stars

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..222m&link_type=abstract

Chandra Proposal ID #01200060

Physics

Chandra Proposal Id #01200060

Scientific paper

These observations will investigate the origin of X-ray emission from early-type stars and seek to discriminate between existing models which can be grossly characterized as either ``coronal'' or ``shocked wind''. For the nearest examples of this stellar class, the HRC-I should be able to distinguish between X-ray emission from within the stellar wind ``bubble'' and that emanating from the surrounding interstellar medium. High resolution spectroscopic observations with the HRC-S+LETGS can determine the variation of the soft X-ray absorption as a function of bolometric luminosity, spectral type, and mass loss rate. This absorption holds the observational key to understanding the relative position of the X-ray source(s) and the ambient massive cool winds which emanate from OB stars.

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