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Title: COSMOGRAIL: Measuring Time Delays of Gravitationally Lensed Quasars to Constrain Cosmology
Authors: Tewes, M
Courbin, F
Meylan, G
Kochanek, C. S
Eulaers, E
Cantale, N
Mosquera, A. M
Asfandiyarov, I
Magain, P
Van Winckel, H
Sluse, D
Keerthi, R. K. S
Stalin, C. S
Prabhu, T. P
Saha, P
Dye, S
Issue Date: Dec-2012
Publisher: ESO
Citation: The Messenger, Vol. 150, pp. 49-52
Abstract: COSMOGRAIL is a long-term programme for the photometric monitoring of gravitationally lensed quasars. It makes use of several medium-size telescopes to derive long and well-sampled light curves of lensed quasars, in order to measure the time delays between the quasar images. These delays directly relate to the Hubble constant H0, without any need for secondary distance calibrations. COSMOGRAIL was initiated in 2004, and has now secured almost a decade of data, resulting in cosmological constraints that are very complementary to other cosmological probes.
Description: Open Access
ISSN: 1209-7233
???metadata.dc.rights???: © ESO
Appears in Collections:IIAP Publications

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