Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-02-18
Astron.Astrophys.399:519-530,2003
Astronomy and Astrophysics
Astrophysics
6 pages, 6 figures, A&A 399, 519
Scientific paper
10.1051/0004-6361:20021817
We present and discuss Chandra and XMM-Newton observations of the Seyfert 2 galaxy and Compton-thick absorbed source, Tololo~0109-383. The hard X-ray emission (i.e. above $\sim$2 keV), is dominated by a spatially unresolved reflection component, as already discovered by previous ASCA and BeppoSAX observ ations. The soft X-ray emission is partly ($\sim$15%) extended over about 1 kpc. Below 2 keV, the spectrum is very steep and two emission lines, probably due to recombination to He-like ions of oxygen and neon, are clearly present. Combining X-rays and optical information taken from the literature, we propose an overall scenario for the nuclear regions of this source.
Bianchi Simone
Brandt Wiliam N.
Fabian Andrea C.
Guainazzi Matteo
Iwasawa Kashuzi
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