Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248..405b&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, Redshift, Photometry, Stellar Mass, Galactic Nuclei, Circumnuclear Matter, And Bulges, X-Ray, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Photometric, Polarimetric, And Spectroscopic Instrumentation, Masses
Scientific paper
We present a study of the properties of obscured Active Galactic Nuclei (AGN) detected in the CDFS 1Ms observation and their host galaxies. We limited the analysis to the MUSIC area, for which deep K-band observations obtained with ISAACatVLT are available, ensuring accurate identifications of the counterparts of the X-ray sources as well as reliable determination of photometric redshifts and galaxy parameters, such as stellar masses and star formation rates. Among other findings, we found that the X-ray selected AGN fraction increases with the stellar mass up to a value of 30% at z>1 and M*>3×1011 M.
Brusa Marcella
Fiore Fabrizio
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