The gravitationally lensed, luminous infrared galaxy IRAS F10214+4724 observed with XMM-Newton

Details The gravitationally lensed, luminous infrared galaxy IRAS F10214+4724 observed with XMM-Newton The gravitationally lensed, luminous infrared galaxy IRAS F10214+4724 observed with XMM-Newton

2009-05-21

arxiv.org/abs/0905.3512v1

New Astron.15:58-60,2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures, New Astronomy in press

Scientific paper

10.1016/j.newast.2009.05.009

We report on a short XMM-Newton observation of the gravitationally-lensed, luminous infrared galaxy IRAS F10214+4724 at z=2.3. A faint X-ray source is detected at 4 sigma. The observed 0.5-2 keV (1.7-6.6 keV in the rest-frame) flux is 1.3e-15 erg/s/cm2 and the spectral slope in the rest-frame 1-10 keV band is Gamma~2. These results agree with those obtained from the Chandra X-ray Observatory, given the large uncertainties in both measurements. While possible evidence for excess emission above 5 keV is seen, we suspect this excess might be either spurious or not related to the infrared galaxy.

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