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- Centre National de la Recherche ScientifiqueFR357 papers
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58 papers · 1 filter
The evolution of the star formation activity in galaxies and its dependence on environment
B. M. Poggianti, A. von der Linden, G. De Lucia +16
We study how the proportion of star-forming galaxies evolves between z=0.8 and z=0 as a function of galaxy environment, using the [OII] line in emission as a signature of ongoing s…
Analysis of ground-based differential imager performance
A. Boccaletti, D. Mouillet, T. Fusco +4
In the context of extrasolar planet direct detection, we evaluated the performance of differential imaging with ground-based telescopes. This study was carried out in the framework…
The VIMOS-VLT Deep Survey: Luminosity dependence of clustering at z~1
A. Pollo, L. Guzzo, O. Le Fevre +2
We investigate the dependence of galaxy clustering on the galaxy intrinsic luminosity at high redshift, using the data from the First Epoch VIMOS-VLT Deep Survey (VVDS). The size (…
The [OII]/Halpha ratio of emission line galaxies in the 2dF redshift survey
M. Mouhcine, I. Lewis, B. Jones +3
We investigate the systematic variation of the [OII]3727/Halpha flux line ratio as a function of various galaxy properties, i.e., luminosity, metallicity, reddening, and excitation…
Weak lensing mass reconstructions of the ESO Distant Cluster Survey
D. Clowe, P. Schneider, A. Aragon-Salamanca +12
We present weak lensing mass reconstructions for the 20 high-redshift clusters i n the ESO Distant Cluster Survey. The weak lensing analysis was performed on deep, 3-color optical…
Direct magnetic field detection in the innermost regions of an accretion disc
Jean-Francois Donati, Frederic Paletou, Jerome Bouvier +1
Models predict that magnetic fields play a crucial role in the physics of astrophysical accretion disks and their associated winds and jets. For example, the rotation of the disk t…