Submillimeter Properties of the 1 Ms Chandra Deep Field North X-ray Sample

Details Submillimeter Properties of the 1 Ms Chandra Deep Field North X-ray Sample Submillimeter Properties of the 1 Ms Chandra Deep Field North X-ray Sample

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19914803s&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #148.03; Bulletin of the American Astronomical Society, Vol. 33, p.1527

Astronomy and Astrophysics

Astronomy

Scientific paper

Obscured AGN have hard X-ray spectra and may be expected to have high FIR fluxes, due to dust re-emission of absorbed flux from soft X-rays to the NIR. At high redshifts (z > 1) this FIR dust emission will be redshifted into the submillimeter. We present submillimeter observations of 135 of the 370 X-ray sources in the 1 Ms Chandra Deep Field-North exposure. The error-weighted mean 850-micron flux of the sources is significant at 1.21 +/- 0.27 mJy. These X-ray sources contribute about 15% of the extragalactic background light at 850-micron. The submillimeter excess is found to be the strongest in the optically faint X-ray sources that have radio detections at 20cm, which is consistent with these sources being obscured AGN at high redshift.

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