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A Spectroscopic Survey of X-ray Selected AGN in the Northern XMM-XXL Field
Marie-Luise Menzel, Andrea Merloni, Antonis Georgakakis +10
This paper presents a survey of X-ray selected active galactic nuclei (AGN) with optical spectroscopic follow-up in a area of the equatorial XMM-XXL north fi…
The X-ray luminosity function of Active Galactic Nuclei in the redshift interval z=3-5
A. Georgakakis, J. Aird, J. Buchner +13
We combine deep X-ray survey data from the Chandra observatory and the wide-area/shallow XMM-XXL field to estimate the AGN X-ray luminosity function in the redshift range z=3-5. Th…
Electron acceleration by cascading reconnection in the solar corona I Magnetic gradient and curvature effects
X. Zhou, J. Büchner, M. Barta +2
Aims: We investigate the electron acceleration in convective electric fields of cascading magnetic reconnection in a flaring solar corona and show the resulting hard X-ray (HXR) ra…
Obscuration-dependent evolution of Active Galactic Nuclei
Johannes Buchner, Antonis Georgakakis, Kirpal Nandra +9
We aim to constrain the evolution of AGN as a function of obscuration using an X-ray selected sample of AGN from a multi-tiered survey including the CDFS, AEGIS-XD, COSM…