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Thursday, 22 November 2012, 13:30 in P8445B
Dr. Alireza Hojjati (Institute for the Early Universe, Ewha W. U.)
Strong lensing and time-delay measurements
Measurements of the time delays between the multiple images of gravitationally lensed quasars at high redshifts are recognized to possess complementary information to other probes in constraining cosmological parameters. I will describe the basic physics of the time delay due to strong lensing and some of the technical difficulties in its measurements. I then describe how we can do cosmology with such information.
Seminars in 2012:
2012-11-08 15:00 in P8445A - Alireza Hojjati (Institute for the Early Universe, Ewha W. U.): Lyman-alpha forest as a cosmological probe 2012-11-22 13:30 in P8445B - Alireza Hojjati (Institute for the Early Universe, Ewha W. U.): Strong lensing and time-delay measurements
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Modified by Andrei Frolov <frolov@sfu.ca> on 2023-11-01