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- University of GenevaCH71 papers
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17 papers · 2 filters
Evolution of the first stellar generations
R. Hirschi, A. Maeder, G. Meynet +2
Although the theoretical study of very low metallicity (Z) and metal-free stars is not new, their importance has recently greatly increased since two related fields have been devel…
Searching for the first galaxies through gravitational lenses
D. Schaerer, R. Pello, J. Richard +7
Observing the first galaxies formed during the reionisation epoch, i.e. approximately within the first billion years after the Big Bang, remains one of the challenges of contempora…
The cosmic star formation rate evolution from z=5 to z=0 from the VIMOS VLT Deep Survey
L. Tresse, O. Ilbert, E. Zucca +45
We present the evolution of the comoving SFR density in the redshift range 0 < z < 5 using the first epoch data release of the VVDS, that is 11564 spectra selected at I_AB=24 over…
The effect of red noise on planetary transit detection
Frederic Pont, Shay Zucker, Didier Queloz
Since the discovery of short-period exoplanets a decade ago, photometric surveys have been recognized as a feasible method to detect transiting hot Jupiters. Many transit surveys a…
The VIMOS-VLT Deep Survey. Color bimodality and the mix of galaxy populations up to z~2
P. Franzetti, M. Scodeggio, B. Garilli +41
In this paper we discuss the mix of star-forming and passive galaxies up to z~2, based on the first epoch VIMOS-VLT Deep Survey (VVDS) data.In agreement with previous works we find…
Synchrotron flaring in the jet of 3C 279
E. J. Lindfors, M. Türler, E. Valtaoja +8
We study the synchrotron flaring behaviour of the blazar 3C279 based on an extensive dataset covering 10 years of monitoring at 19 different frequencies in the radio-to-optical ran…