Chandra HETG Observation of the Seyfert 2 Galaxy IRAS 18325-5926

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Chandra Proposal Id #03701015

Scientific paper

We propose a 112ks GTO (through Canizares) observation of the enigmatic Seyfert 2 galaxy IRAS 18325-5926 with the Chandra HETGS to complement our BeppoSAX (PI: Lee who is a Co-I on this proposal) 150ks long look, and scheduled 150ks XMM (PI: Iwasawa, also a Co-I) observations. HETGS observations will unambiguously resolve the nature of the soft excess presumably from circumnuclear material, and allow for a thorough assessment of the geometry and nature of the accretion disk and corona. The strong Fe K line and lack of associated reflection component argues for a highly ionized disk. We will look for multiple peaks in the line expected from ionization, and/or individual lines due to high ionizations of Fe.

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