Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248..463l&link_type=abstract
X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer
Astronomy and Astrophysics
Astronomy
Galactic Nuclei, X-Ray Spectra, Brightness, Active Galaxies, Galactic Nuclei, Circumnuclear Matter, And Bulges, X-Ray, Magnitudes And Colors, Luminosities, Active And Peculiar Galaxies And Related Systems
Scientific paper
We present the results of a multi-wavelength analysis of the properties of a sample of 86 X-ray selected AGN. X-ray flux and optical magnitude are strongly correlated in broad-line AGN (BLAGN) as expected from the unified model. Narrow emission line galaxies (NELGs), however, display a wide range in optical brightnesses for a given X-ray flux, which we attribute to varying amounts of obscuration and host galaxy contamination. We find that more luminous AGN and increasingly softer X-ray AGN show redder mid infrared power law slopes in their spectra between 3.6 and 8 μm. The power law slope between 3.6 and 24 μm is however uncorrelated with X-ray luminosity and X-ray spectral index.
Dwelly Tom
Loaring Nicola S.
McHardy Ian
Page Mat J.
Seymour Nick
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