riassunto2

MG11 
Talk detail
 

 Participant 

Meylan, Georges

Institution

Ecole Polytechnique Fédérale de Lausanne (EPFL)  - Observatoire - Sauverny - - SWITZERLAND

Session

Talk

Abstract

COO1

COSMOGRAIL: the COSmological MOnitoring of GRAvItational Lenses: First results and status report

The Hubble constant, related to the age of the Universe, can be measured in a very direct and independant way through the measurement of the time delays in gravitationally lensed quasars. COSMOGRAIL is a whole-sky photometric monitoring of such gravitationally lensed quasars aimed at measuring up to 20 new time delays within the next 3 years, with an accuracy of a few percents. The first results of this international collaboration are presented, including new light curves and time delays, as well as deep HST and VLT follow-up observations.

COO4

Evidence for (and Against) Intermediate Mass Black Holes at Low Redshifts

The current observational evidence for the presence of intermediate mass black hole in globular clusters will be reviewed.

 

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