| Issue |
A&A
Volume 385, Number 3, April III 2002
|
|
|---|---|---|
| Page(s) | L31 - L35 | |
| Section | Letters | |
| DOI | https://doi.org/10.1051/0004-6361:20020272 | |
| Published online | 15 April 2002 | |
Letter to the Editor
XMM-Newton observation of the BAL Quasar PHL 5200:
The big surprise
1
Centre for Interdisciplinary Plasma Science, Max–Planck–Institut für Extraterrestrische Physik, Postfach 1312, 85741 Garching, Germany
2
George Mason University, Dept. of Phys. and Astron., MS 3F3, 4400 University Dr., Fairfax, VA 22030-4444, USA
Corresponding author: W. Brinkmann, wpb@rzg.mpg.de
Received:
30
January
2002
Accepted:
21
February
2002
XMM-Newton observations of the BAL quasar revealed that the
X-ray emission attributed to the quasar originates from a nearby,
optically unidentified radio source. Although visible in X-rays as well the
flux from is by a factor 
20 smaller than previously
anticipated. Thus most of the scenarios for a physical interpretation of
the BAL phenomenon, based on the apparently unexpected X-ray properties
of this quasar have to be revisited. We further discuss the properties
of the optically very faint radio source.
Key words: galaxies: active / quasars / X–rays: galaxies
© ESO, 2002
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