Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.7706g&link_type=abstract
American Astronomical Society, 199th AAS Meeting, #77.06; Bulletin of the American Astronomical Society, Vol. 33, p.1422
Astronomy and Astrophysics
Astronomy
Scientific paper
Broad Absorption Line QSOs are notoriously faint X-ray sources, and we are just beginning to accumulate data with enough counts for spectral analysis. From our observations, general patterns are emerging: the X-ray continua are typical of normal QSOs, and the signatures of a significant column density of complex absorbing gas are clear. To elucidate the characteristics of the population as a whole, we are conducting a survey of a well-defined sample of 18 BAL QSOs from the Large Bright Quasar Survey with the Chandra ACIS-S3 instrument. The low background and excellent spatial resolution of Chandra permit sensitive observations in a relatively short time. With the Chandra data and optical spectroscopic follow-up with the Hobby-Eberly Telescope, we compare the X-ray properties of the BAL QSOs with their UV absorption-line characteristics. SCG gratefully acknowledges NASA and the Pennsylvania Space Grant Consortium for funding this research.
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