a Combined Chandra/xmm Attack on the Astrophysics of the Hard X-Ray Background.

Details a Combined Chandra/xmm Attack on the Astrophysics of the Hard X-Ray Background. a Combined Chandra/xmm Attack on the Astrophysics of the Hard X-Ray Background.

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..704m&link_type=abstract

Chandra Proposal ID #02900307

Mathematics

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Chandra Proposal Id #02900307

Scientific paper

We propose a CHANDRA survey, of the minimum exposure required to provide arcsecond positions and hence unambiguous identifications for the ~350 sources with high quality X-ray spectra in our 400ksec guaranteed time deep XMM survey. The very powerful combination of XMM spectra with CHANDRA positions, coupled with extensive observations (mostly completed) in other wavebands will enable us to understand the astrophysics of the hard X-ray background; ie do the contributors have absorbed spectra, or intrinsically flat spectra? how do QSO spectra, including any black body components, evolve? what is the X-ray emission mechanism of the optically inactive galaxies and of the narrow emission line galaxies? how do the temperatures of clusters evolve (a strong cosmological diagnostic)?

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