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Tuesday, 22 October 2013, 14:00 in P8445B
Dr. Alireza Hojjati (SFU)
Cosmology with strong lensing time delays
Strong gravitational lensing of time variable sources such as quasars and supernovae creates observable time delays between the multiple images. Time delays can be used to measure cosmological parameters as well as probe the dark matter (sub-)structure within the lens galaxy. I will describe how the time delays are measured and how we can use them in cosmology. I will also report on the observational status of strong lensing time delay measurements.
Seminars in 2013:
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Modified by Andrei Frolov <frolov@sfu.ca> on 2023-11-01