The Temperature Structure in the Accretion Region of AM Herculis

Details The Temperature Structure in the Accretion Region of AM Herculis The Temperature Structure in the Accretion Region of AM Herculis

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...32r&link_type=abstract

Chandra Proposal ID #01300301

Computer Science

Chandra Proposal Id #01300301

Scientific paper

We propose to obtain a 24 ksec HRS-C LETG observation of AM Her, the prototype system of the magnetic cataclysmic variables. High resolution spectroscopy in the 0.1-6 keV energy range will allow us to quantitatively compare the soft X-ray spectrum with detailed accretion-heated model atmospheres. Absorption and emission edges of C, N, O, and Ne will provide diagnostic information on the ionization and temperature structure of the accretion region and on the structure, density, and homogenity of the accretion flow and its temporal fluctuations. There is good evidence from observations and theory that with the AXAF LETG we will for the first time be able to resolve the long-sought signatures of the temperature inversion in the heated atmosphere which are not visible in the EUV.

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