The X-Ray Spectra of Red Quasars Selected from 2MASS and First

Details The X-Ray Spectra of Red Quasars Selected from 2MASS and First The X-Ray Spectra of Red Quasars Selected from 2MASS and First

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..948l&link_type=abstract

Chandra Proposal ID #03700742

Computer Science

Chandra Proposal Id #03700742

Scientific paper

We have identified a sample of very red (R-K>4.9) quasars at redshifts ~1-2 through matching the 2MASS and FIRST surveys. We believe that these are high luminosity analogues of the red quasars found in deep Chandra surveys which make up ~30% of the X-ray background. Chandra observations of our quasars will allow us to test this hypothesis through measurements of the absorbing columns and spectral slopes. We also wish to establish the gas:dust ratio in the absorbing material, and compare our objects to broad absorption line quasars, which also show high columns and reddening. If, as we expect, our red quasars do indeed have similar X-ray spectra to those which contribute to the X-ray background, we can define a large sample of bright objects to study in detail.

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