XMM Observations of Highly Absorbed Spitzer Sources

Details XMM Observations of Highly Absorbed Spitzer Sources XMM Observations of Highly Absorbed Spitzer Sources

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop...43g&link_type=abstract

XMM-Newton Proposal ID #06513722

Computer Science

Cosmology, Extragalactic Deep Fields And Area Surveys, Fls298, Fls394, Fls419, Fls530, Fls532, Fls544, Fls8040, Fls8253, Fls8311, Fls8325, Fls8392, Fls8430, Fls8479, Fls8521, Fls16037, Fls16047, Fls16152, Fls22432

Scientific paper

We propose to obtain XMM observations of 22 sources from the 24micron FLS Spitzer survey. The proposed targets have very high optical depths of silicate absorption at 9.7 micron, suggesting that such sources are hosting a black hole that is enshrouded in a compact dust distribution. The XMM observations will determine the amount of X-ray absorption directly, through X-ray spectroscopy, or via the X-ray to mid-IR luminosity ratio. In analogy with nearby galaxies which show high 9.7 micron optical depths it is highly probable these sources will comprise of a high fraction of heavily obscured nuclei. Then our observations may provide the pathfinder for the detection of the elusive population of Compton thick sources at high redshift where most of the energy of the XRB is produced.

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