The High Resolution X-Ray Spectrum of AM Herculis: Probing the Accretion Process

Details The High Resolution X-Ray Spectrum of AM Herculis: Probing the Accretion Process The High Resolution X-Ray Spectrum of AM Herculis: Probing the Accretion Process

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..794b&link_type=abstract

Chandra Proposal ID #03300412

Physics

Chandra Proposal Id #03300412

Scientific paper

We propose a 100ks Chandra HETG observation of the polar AM Herculis. To ensure data is obtained when the source is in a high state we request a TOO (or even an `anti-TOO') observation. With the good quality, high energy resolution data this will provide, we be able to use the HEG to: (i) examine the nature of the 6.4 keV fluorescence line in order to see if it has its origin in reflection from the white dwarf surface or absorption in the pre-shock flow. (ii) Measure the widths of the thermal Fe Kalpha lines in order to constrain the importance of Compton broadening in this star. Also, using the MEG we will be able to (iii) measure the line strengths of the lighter elements and estimate the physical conditions in the post-shock region.

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