7 papers · 1 filter
The VLT-VIMOS Mask Preparation Software
D. Bottini, B. Garilli, D. Maccagni +34
VIMOS (VIsible Multi-Object Spectrograph) is a multi-object imaging spectrograph installed at the VLT (Very large Telescope) at the ESO (European Southern Observatory) Paranal Obse…
VVDS: early results on LSS distribution to z~1.5
O. Le Fèvre, G. Vettolani, D. Maccagni +2
The VIMOS VLT Deep Survey (VVDS) is an on-going program to map the evolution of galaxies, large scale structures and AGNs from the redshift measurement of more than 100000 objects…
Hierarchical Clustering and Active Galaxies
E. Hatziminaoglou, G. Mathez, A. Manrique
The growth of Super Massive Black Holes and the parallel development of activity in galactic nuclei are implemented in an analytic code of hierarchical clustering. The evolution of…
Quasar Candidate Multicolor Selection Technique: a different approach
E. Hatziminaoglou, G. Mathez, R. Pello
We present a quasar candidate identification technique based on multicolor photometry. The traditional multi-dimensional method (2 N dimensions, where N is the number of t…
What can we learn from VIRMOS quasars?
G. Mathez, E. Hatziminaoglou
Large, homogeneous quasar samples are necessary tools for the study of QSO statistics, cosmological tests, large scale structure and AGN evolution. These samples must be complete w…
The evolution rate of quasars at various redshifts
Evanthia Hatziminaoglou, Ludovic Van Waerbeke, Guy Mathez
The evolution of optically selected quasars is usually supposed to be well described by a single constant parameter, either k_L or k_D, depending whether we refer to luminosity or…