The X-ray view of the ionization cone in NGC5252

Bologna; Giuseppe Malaguti (3) ((1) European Space Astronomy Center of ESA; Italy); Italy; (3) INAF-IASF; Madrid; Massimo Cappi (3); Matteo Guainazzi (1); Mauro Dadina (3); Rome; Spain; (2) Universita' di Roma Tre

arxiv: 0710.1574 · v1 · submitted 2007-10-08 · 🌌 astro-ph

The X-ray view of the ionization cone in NGC5252

Matteo Guainazzi (1) , Stefano Bianchi (2) , Massimo Cappi (3) , Mauro Dadina (3) , Giuseppe Malaguti (3) ((1) European Space Astronomy Center of ESA , Madrid , Spain; (2) Universita' di Roma Tre , Rome

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Italy; (3) INAF-IASF Bologna Italy)

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keywords conex-rayimagesionizationphotoionizedsoftactivealmost

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We present the results of a Chandra soft X-ray observation of the spectacular ionization cone in the nearby Seyfert 2 galaxy NGC 5252. As almost invariably observed in obscured AGN, the soft X-ray emission exhibits a remarkable morphological concidence with the cone ionized gas as traced by HST O[III] images. Energy-resolved images and high-resolution spectroscopy suggest that the X-ray emitting gas is photoionized by the AGN, at least on scales as large as the innermost gas and stellar ring (<3 kpc). Assuming that the whole cone is photoionized by the AGN, we reconstruct the history of the active nucles in the last 100000 years.

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The X-ray view of the ionization cone in NGC5252

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