Chandra survey of Polar Broad Absorption-Line Quasars

Details Chandra survey of Polar Broad Absorption-Line Quasars Chandra survey of Polar Broad Absorption-Line Quasars

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009cxo..prop.2894g&link_type=abstract

Chandra proposal ID #11700880

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Scientific paper

We have detected polar broad absorption-line quasars from their radio-core variabilities. Recent X-ray observations of two polar LoBALQSOs suggest that they may have different X-ray properties from other BALQSOs: their X-ray absorbing columns are much smaller compared to that of non-polar LoBALQSOs with Compton-thick absorbing columns and the polar LoBALQSOs may have different type of outflow. We proposed snapshot survey (6~ks exposure each) of 10 polar BALQSOs during Cycle~10 and only 3 BALQSOs were approved. Two of these three BALQSOs have been recently observed with Chandra and the results clear show that they are extremely luminous with no intrinsic absorption. Thus, we propose snapshot survey (6~ks exposure each) of rest 7 polar BALQSOs.

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