133 citations · 367 across the 12 of their papers we have counts for
12 papers
French SKA White Book - The French Community towards the Square Kilometre Array
F. Acero, J. -T. Acquaviva, R. Adam +175
The "Square Kilometre Array" (SKA) is a large international radio telescope project characterised, as suggested by its name, by a total collecting area of approximately one square…
Euclid space mission: a cosmological challenge for the next 15 years
R. Scaramella, Y. Mellier, J. Amiaux +33
Euclid is the next ESA mission devoted to cosmology. It aims at observing most of the extragalactic sky, studying both gravitational lensing and clustering over 15,000 square…
Galaxy cluster searches by photometric redshifts in the CFHTLS
C. Adami, F. Durret, C. Benoist +17
In order to enlarge publicly available optical cluster catalogs, in particular at high redshift, we have performed a systematic search for clusters of galaxies in the CFHTLS. We us…
Searching for galaxy clusters using the aperture mass statistics in 50 VLT fields
M. Hetterscheidt, T. Erben, P. Schneider +3
Application of the aperture mass (Map-) statistics provides a weak lensing method for the detection of cluster-sized dark matter halos. We present a new aperture filter function an…
VLT Spectroscopy of Galaxies Lensed by Abell AC114: Implication for the Mass Model and the Study of Low-Luminosity Galaxies at High-Redshift
L. E. Campusano, R. Pello, J. -P. Kneib +5
We present the first results of a spectroscopic survey of faint lensed galaxie s in the core of the galaxy cluster AC114 (z=0.312) obtained from observations w ith the FORS1 spectr…
Cosmic shear surveys
Y. Mellier, L. van Waerbeke, R. Maoli +6
Gravitational weak shear produced by large-scale structures of the universe induces a correlated ellipticity distribution of distant galaxies. The amplitude and evolution with angu…
Terapixel Surveys for Cosmic Shear
Y. Mellier, L. van Waerbeke, M. Radovich +14
The recent detections of cosmic shear signal announced by several groups have demonstrated the feasibility of this challenging program and convinced astro- nomers of its potential…
Cosmic Shear Analysis in 50 Uncorrelated VLT Fields. Implications for Omega_0, sigma_8
R. Maoli, L. Van Waerbeke, Y. Mellier +5
We observed with the camera FORS1 on the VLT (UT1, ANTU) 50 randomly selected fields and analyzed the cosmic shear inside circular apertures with diameter ranging from 0.5 to 5.0 a…
Weak lensing analysis of MS 1008-1224 with the VLT
R. Athreya, Y. Mellier, L. Van Waerbeke +3
We present a gravitational lensing analysis of the cluster of galaxies MS 1008-1224 (z=0.30), based on very deep observations obtained using the VLT with FORS and ISAAC during the…
Probing distant galaxies with lensing clusters
Roser Pello
Clusters of galaxies as gravitational lenses allow to study the stellar content and properties of high-z galaxies much fainter than the usual spectroscopic field surveys. We review…
Weak lensing at the limit of the sky background noise
Y. Mellier, B. Fort
Recent weak lensing observations have pushed the use of 4 meter-class telescopes to the limits of their capabilities with exposure times exceeding several hours. The leading idea i…
V- and I-band observations of the halo of NGC 5907
J. Lequeux, B. Fort, M. Dantel-Fort Fort +2
Using long exposures taken in the V and I bands with a 40964096 pixel CCD array at the prime focus of the Canada-France-Hawaii telescope, we have confirmed the discovery by…