High Resolution X-ray Spectroscopy of Seyfert 2 Galaxies

Details High Resolution X-ray Spectroscopy of Seyfert 2 Galaxies High Resolution X-ray Spectroscopy of Seyfert 2 Galaxies

2001-07-12

arxiv.org/abs/astro-ph/0107225v1

Astronomy and Astrophysics

Astrophysics

4 pages, to appear in New Century of X-ray Astronomy, ASP Conf. Ser., Vol. TBD, 2001

Scientific paper

X-ray spectroscopy of Seyfert 2 galaxies provides an excellent probe of the circumnuclear environment in active galactic nuclei. The grating experiments on both Chandra and XMM-Newton have now provided the first high resolution spectra of several of the brightest Seyfert 2's. We present Chandra HETG data on Markarian 3 and XMM-Newton RGS data on NGC 1068. In both cases, the spectra are dominated by emission lines due to radiative recombination following photoionization, photoexcitation, and fluorescence. There is no evidence for any significant contribution from collisionally-heated gas.

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