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Extremely Red Objects: an X-ray dichotomy
M. Brusa, A. Comastri, E. Daddi +3
We analyze the X-ray properties of a near-infrared selected (Ks < 20) sample of spectroscopically identified Extremely Red Objects (R-Ks>5) in a region of the Chandra Deep Field-So…
Polarization Evolution of the GRB 020405 Afterglow
S. Covino, D. Malesani, G. Ghisellini +16
Polarization measurements for the optical counterpart to GRB 020405 are presented and discussed. Our observations were performed with the VLT-UT3 (Melipal) during the second and th…
The K20 survey. IV. The redshift distribution of Ks<20 galaxies: a test of galaxy formation models
A. Cimatti, L. Pozzetti, M. Mignoli +11
We present the redshift distribution of a complete sample of 480 galaxies with Ks<20 distributed over two independent fields covering a total area of 52 arcmin^2. The redshift comp…
The K20 survey. III. Photometric and spectroscopic properties of the sample
A. Cimatti, M. Mignoli, E. Daddi +12
The K20 survey is an ESO VLT optical and near-infrared spectroscopic survey aimed at obtaining spectral information and redshifts of a complete sample of about 550 objects to K_s\l…
An XMM-Newton survey of Extremely Red Objects
M. Brusa, A. Comastri, E. Daddi +2
We present preliminary results of a 25 ks XMM-Newton observation of the largest sample of Extremely Red Objects (EROs) available to date (about 450 sources), selected in a contiguo…
Probing the evolution of massive galaxies with the K20 survey
A. Cimatti
The motivations and the status of the K20 survey are presented. The first results on the evolution of massive galaxies and the comparison with the predictions of the currently comp…