Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-03-24
Mon.Not.Roy.Astron.Soc. 343 (2003) 137
Astronomy and Astrophysics
Astrophysics
7 pages, 6 figures, MNRAS in the press
Scientific paper
10.1046/j.1365-8711.2003.06652.x
We present new XMM-Newton X-ray observations of the z=1.246 narrow-line radioquasar RX J1011.2+5545 serendipitously discovered by ROSAT. The flat X-ray spectrum previously measured by ROSAT and ASCA is shown to be the result of a steep Gamma~1.8 power law spectrum seen through a moderate intrinsic absorbing column NH~4E21 cm^-2. The position of the X-ray source is entirely coincident with the nucleus of the radio source that we have resolved in new sensitive VLA observations at 3.6 and 6 cm, implying that scattering in the radio lobes is not responsible for the bulk of X-ray emission. In the EPIC pn image, a faint patch of X-ray emission is apparent 14'' to the NE of the main X-ray source. The former is positionally coincident with an apparently extended optical object with R~21.9, but there is no associated radio emission, thus ruling out the possibility that this represents a hotspot in a jet emanating from the primary X-ray source. No reflection features are detected in the X-ray spectrum of the narrow-line radioquasar, although an Fe line with equivalent width of up to 600 eV cannot be ruled out.
Barcons Xavier
Carballo Raúl
Carrera Francicso J.
Ceballos Maria Teresa
González-Serrano José Ignacio
No associations
LandOfFree
On the origin of the X-ray emission from a narrow-line radioquasar at z>1 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with On the origin of the X-ray emission from a narrow-line radioquasar at z>1, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and On the origin of the X-ray emission from a narrow-line radioquasar at z>1 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-449412