Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-06-07
Astron.J.132:1464-1467,2006
Astronomy and Astrophysics
Astrophysics
5 pages, 2 figures. Accepted in AJ. (Typos corrected.)
Scientific paper
10.1086/506509
We have detected FIRST J101614.3+520916 with the XMM-Newton X-ray Observatory. FIRST J101614.3+520916, one of the most extreme radio-loud, broad absorption line (BAL) quasars so far discovered, is also a Fanaroff-Riley type II (FR II) radio source. We find that, compared to its estimated intrinsic X-ray flux, the observed X-rays are likely suppressed, and that the observed hardness ratio indicates significant soft X-ray photons. This is inconsistent with the simplest model, a normal quasar spectrum absorbed by a large neutral HI column density, which would primarily absorb the softer photons. More complex models, involving partial covering, an ionized absorber, ionized mirror reflection, or jet contributions need to be invoked to explain this source. The suppressed but soft X-ray emission in this radio-loud BAL quasar is consistent with the behavior displayed by other BAL quasars, both radio-loud and radio-quiet.
Becker Robert H.
Brotherton Michael S.
Gregg Michael D.
Lacy Mark
Laurent-Muehleisen Sally A.
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