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The Seyfert-LINER Galaxy NGC 7213: An XMM-Newton Observation | | R. L. C. Starling
; M. J. Page
; G. Branduardi-Raymont
; A. A. Breeveld
; R. Soria
; K. Wu
; | | Date: |
1 Dec 2004 | | Subject: | astro-ph | | Affiliation: | 1,2), M. J. Page , G. Branduardi-Raymont , A. A. Breeveld , R. Soria , K. Wu ( Amsterdam, MSSL/UCL | | Abstract: | We examine the XMM X-ray spectrum of the LINER-AGN NGC 7213, which is best fit with a power law, K-alpha emission lines from Fe I, Fe XXV and Fe XXVI and a soft X-ray collisionally ionised thermal plasma with kT=0.18 +0.03/-0.01 keV. We find a luminosity of 7x10^(-4) L_Edd, and a lack of soft X-ray excess emission, suggesting a truncated accretion disc. NGC 7213 has intermediate X-ray spectral properties, between those of the weak AGN found in the LINER M81 and higher luminosity Seyfert galaxies. This supports the notion of a continuous sequence of X-ray properties from the Galactic Centre through LINER galaxies to Seyferts, likely determined by the amount of material available for accretion in the central regions. | | Source: | arXiv, astro-ph/0412017 | | Services: | Forum | Review | PDF | Favorites | |
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