The recent X-ray history of NGC 5506

Details The recent X-ray history of NGC 5506 The recent X-ray history of NGC 5506

2003-02-18

arxiv.org/abs/astro-ph/0302349v1

Astron.Astrophys.402:141-150,2003

Astronomy and Astrophysics

Astrophysics

9 pages, 9 figures, accepted for publication in A&A

Scientific paper

10.1051/0004-6361:20030210

We present a detailed discussion of the spectral and spatial components of NGC 5506, based on XMM-Newton, Chandra and BeppoSAX observations. The overall picture consists of a nucleus absorbed by cold gas with column density of $\approx10^{22}$ cm$^{-2}$ and surrounded by a Compton-thick torus, whose existence is inferred by a cold reflection component and an iron K$\alpha$ line. On a much larger scale, a photoionized gas extended on $\approx350$ pc reprocesses the nuclear radiation, producing a soft excess and ionized iron lines. Noteworthy, we find no evidence for the presence of the accretion disc.

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