The Physics of X-Ray Line Emission in the Microquasar GRO J1655-40

Details The Physics of X-Ray Line Emission in the Microquasar GRO J1655-40 The Physics of X-Ray Line Emission in the Microquasar GRO J1655-40

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop..178l&link_type=abstract

Chandra Proposal ID #01400880

Physics

Chandra Proposal Id #01400880

Scientific paper

We propose a 40 ksec AXAF HETG TOO observation of the microquasar GRO J1655-40 during outburst. The object shows both radio-loud and radio-quiet X-ray outbursts, with relativistic jets accompanying the radio outbursts. Clear evidence for intense emission near 1 keV and complex absorption in the Fe K band, rare for a black hole candidate, have been observed with ASCA. The HETG can be used to great advantage here, allowing us to extract detailed line diagnostics and, through precise measurements of Doppler shifts, identify the possible relationship of the line component to the jets. GRO J1655-40 represents a unique opportunity to explore (``up close'') transient outburst accretion physics in a black hole.

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