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arXiv:astro-ph/0403624 (astro-ph)
[Submitted on 26 Mar 2004]

Title:Using the X-ray Emission Lines of Seyfert 2 AGN to Measure Abundance Ratios

Authors:Mario A. Jimenez-Garate, Toan Khu (MIT)
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Abstract: We measure the metal abundance ratios in the X-ray photoionized gas located near the narrow line region of a sample of Seyfert 2 AGN. The high-resolution X-ray spectra observed with the Chandra high- and low-energy transmission grating spectrometers are compared with models of the resonant scattering and recombination emission from a plasma in thermal balance, and with multiple temperature zones. The abundance ratios in the sample are close to the Solar values, with slight over-abundances of N in NGC 1068, and of Ne in NGC 4151. Our X-ray spectral models use fewer degrees of freedom than previous works.
Comments: 2 pages, 1 figure, to appear in the proceedings of the conference "Multiwavelenth AGN Surveys", held in Cozumel, Mexico, December 2003
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0403624
  (or arXiv:astro-ph/0403624v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0403624
Related DOI: https://doi.org/10.1142/9789812702432_0047

Submission history

From: Mario A. Jimenez-Garate [view email]
[v1] Fri, 26 Mar 2004 16:40:21 UTC (53 KB)
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