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The X-ray Zurich Environmental Study (X-ZENS). I. Chandra and XMM-Newton observations of AGNs in galaxies in nearby groups
J. D. Silverman, F. Miniati, A. Finoguenov +4
We describe X-ray observations with Chandra and XMM-Newton of 18 galaxy groups (M_group ~ 1-6x10^13 Msolar, z~0.05) from the Zurich Environmental Study (ZENS). We aim to establish…
The Mean Star-Forming Properties of QSO Host Galaxies
D. J. Rosario, B. Trakhtenbrot, D. Lutz +22
Quasi-stellar objects (QSOs) occur in galaxies in which supermassive black holes (SMBHs) are growing substantially through rapid accretion of gas. Many popular models of the co-evo…
The dependence of Galactic outflows on the properties and orientation of zCOSMOS galaxies at z ~ 1
R. Bordoloi, S. J. Lilly, E. Hardmeier +44
We present an analysis of cool outflowing gas around galaxies, traced by MgII absorption lines in the co-added spectra of a sample of 486 zCOSMOS galaxies at 1 < z < 1.5. These gal…
zCOSMOS 20k: Satellite galaxies are the main drivers of environmental effects in the galaxy population at least to z~0.7
K. Kovac, S. J. Lilly, C. Knobel +41
We explore the role of environment in the evolution of galaxies over 0.1<z<0.7 using the final zCOSMOS-bright data set. Using the red fraction of galaxies as a proxy for the quench…
The extent of magnetic fields around galaxies out to z ~ 1
M. L. Bernet, F. Miniati, S. J. Lilly
Radio quasar sightlines with strong MgII absorption lines display statistically enhanced Faraday Rotation Measures (RM) indicating the presence of additional magneto-active plasma…
Obscured AGN at z~1 from the zCOSMOS-Bright Survey I. Selection and Optical Properties of a [Ne v]-selected sample
M. Mignoli, C. Vignali, R. Gilli +46
A sample of 94 narrow line AGN with 0.65<z<1.20 has been selected from the 20k-Bright zCOSMOS galaxy sample by detection of the high-ionization [NeV]3426 line. Taking advantage of…