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Thomson Thick X-ray Absorption in a Broad Absorption Line Quasar, PG 0946+301

Mathur, Smita; Green, Paul; Arav, Nahum; Brotherton, Michael; Crenshaw, M; de Kool, Marthijn; Elvis, M; Goodrich, R.; Hamann, F; Hines, D C; Kashyap, V; Korista, Kirk; Peterson, Byron; Shields, John; Shlosman, I; van Breugel, Willem Johannes Maria; Voit, M


We present a deep ASCA observation of a broad absorption line quasar (BALQSO) PG 0946+301. The source was clearly detected in one of the gas imaging spectrometers, but not in any other detector. If BALQSOs have intrinsic X-ray spectra similar to normal radio-quiet quasars, our observations imply that there is Thomson thick X-ray absorption (NH ≳ 1024 cm-2) toward PG 0946+301. This is the largest column density estimated so far toward a BALQSO. The absorber must be at least partially ionized and...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/312617


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