Imaging and Spectroscopy of X-ray Selected Seyfert Galaxies

Details Imaging and Spectroscopy of X-ray Selected Seyfert Galaxies Imaging and Spectroscopy of X-ray Selected Seyfert Galaxies

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop...86w&link_type=abstract

Spitzer Proposal ID #86

Computer Science

Scientific paper

In present unified schemes, dust plays a major role in determining Seyfert types, with Seyfert 1's being less obscured and Seyfert 2's being more obscured, but both with the same underlying energy generation mechanism, an accretion disk around a supermassive black hole. We have chosen to study a group of Seyferts at two wavelengths that are least affected by dust obscuration: x-rays and infrared. Our sample is a mix of Seyfert 1's and Seyfert 2's which have been observed in the x-rays, for which we will obtain IR spectra with all IRS modules, and photometry at 25 and 70 microns with MIPS. By comparing the characteristics of these two penetrating data sets we will be able to constrain better the role of dust in the nuclei of these active galaxies, especially the large column densities (>10^25 Hydrogen atoms per cm^2) derived from x-ray observations.

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