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Ultradeep Near-Infrared ISAAC Observations of the HDF-S: Observations, Reduction, Multicolor Catalog, and Photometric Redshifts
I. Labbe, M. Franx, G. Rudnick +10
We present deep near-infrared (NIR) Js, H, and Ks-band ISAAC imaging of the WFPC2 field of the HDF-S. The 2.5'x 2.5' high Galactic latitude field was observed with the VLT under th…
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…
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…