The X-ray spectrum of [OIII]λ5007 selected Seyfert 2 galaxies

Details The X-ray spectrum of [OIII]λ5007 selected Seyfert 2 galaxies The X-ray spectrum of [OIII]λ5007 selected Seyfert 2 galaxies

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..599..830p&link_type=abstract

X-RAY ASTRONOMY: Stellar Endpoints,AGN, and the Diffuse X-ray Background. Edited by Nicholas E. White, Giuseppe Malaguti, and G

Astronomy and Astrophysics

Astronomy

Active And Peculiar Galaxies And Related Systems, X-Ray Sources, X-Ray Bursts, Background Radiations

Scientific paper

We present the results from an ASCA spectral analysis of a sample of 9 Seyfert II galaxies, selected by their high [OIII]λ5007 flux, taken from Ho et al. and De Grijp et al. Such a sample should be relatively free from selection effects such as intrinsic absorption and differences in viewing angle. Our major results are as follow:a) four of our objects are described by the standard model expected from a Seyfert 2 galaxy and b) five show no or small excess absorption. We investigated whether the latter subsample includes Compton thick objects using the [OIII]λ5007 flux as an indicator. We find no Compton thick object other than the NGC1068. We discuss the implications of the lack of a universal description of the spectrum of the Seyfert 2 galaxies in conjunction with the models that try to reconstruct the spectrum of the X-ray Background. .

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