Other
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..924..928g&link_type=abstract
THE MULTICOLORED LANDSCAPE OF COMPACT OBJECTS AND THEIR EXPLOSIVE ORIGINS. AIP Conference Proceedings, Volume 924, pp. 928-931
Other
Radio Galaxies, Active And Peculiar Galaxies And Related Systems, X-Ray Sources, X-Ray Bursts
Scientific paper
Studies of stellar dynamics have established that the presence of supermassive black holes is almost ubiquitous not only in AGN, but also in normal galaxies. Therefore, of crucial importance is the role played by low-power AGN, which represent the link between powerful AGN and normal galaxies. Here we present the preliminary results of recent XMM-Newton observations of three low-power radio galaxies hosting a LINER: NGC 1692 and PKS 0625-35, which are classified as FRI and the FRII 3C 444. All sources show complex spectra with at least two spectral components without substantial intrinsic absorption. There is suggestive evidence for a Fe K line in 3C 444. Both FRI galaxies are significantly variable on short time scales, and PKS 0625-35 also shows spectral variability on time scales of months. We plan to combine the XMM-Newton results with complementary information from other wavelengths to investigate further the origin of the X-ray emission from the nuclear region.
Gliozzi Mario
Sambruna Rita
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