Chandra Observations of Optically Selected Type 2 Quasar Candidates

Details Chandra Observations of Optically Selected Type 2 Quasar Candidates Chandra Observations of Optically Selected Type 2 Quasar Candidates

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1537s&link_type=abstract

Chandra Proposal ID #05701043

Computer Science

Chandra Proposal Id #05701043

Scientific paper

Optical follow-up of faint X-ray sources, especially those detected in the Chandra Deep Fields, have revealed a population of high-redshift active galaxies with high luminosities, faint optical continua, strong, narrow, high-ionization emission lines, and strongly absorbed X-ray spectra; these may comprise an appreciable fraction of the active galaxies in the universe. We have discovered a number of objects with similar optical properties at redshifts between 0.45 and 0.7. Chandra observations will confirm the AGN nature of these objects and measure their absorbing column, thus helping to determine the fraction of AGN that are extincted. This represents a new way to discover luminous Type 2 quasars, which will allow substantially expanded samples in the future.

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