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astro-ph2004
On the transmission- to reprocessing-dominated spectral state transitions in Seyfert 2 galaxies
M. Guainazzi, A. C. Fabian, K. Iwasawa +2
We present Chandra and XMM-Newton observations of a small sample (11 objects) of optically-selected Seyfert~2 galaxies, for which ASCA and BeppoSAX had suggested Compton-thick obsc…
astro-ph2004
A study of the 15 micron quasars in the ELAIS N1 and N2 fields
A. Afonso-Luis, E. Hatziminaoglou, I. Perez-Fournon +8
This paper discusses properties of the European Large Area ISO Survey 15 micron quasars and tries to establish a robust method of quasar selection for future use within the Spitzer…