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Sarah Bridle, University of Manchester
Thursday 05 March 2015, 16:30-17:30
Quantifying Dark Energy using Cosmic Lensing
- 👤 Speaker: Sarah Bridle, University of Manchester
- 📅 Date & Time: Thursday 05 March 2015, 16:30 - 17:30
- 📍 Venue: Sackler Lecture Theatre, IoA (tea at 4:00 pm)
Abstract
I will describe the great potential and possible limitations of using the bending of light by gravity (gravitational lensing) to constrain the mysterious dark energy which seems to dominate the contents of our Universe. In particular we have to remove the blurring effects of telescopes and the atmosphere to extreme precision, and account for possibly coherent distortions of galaxy shapes due to processes in galaxy formation. I will discuss these issues in more detail and review some recent progress in tackling them, including in the context of new results from the Dark Energy Survey, and the UK’s potential involvement in the Large Synoptic Survey Telescope.
Series This talk is part of the Institute of Astronomy Colloquia series.
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- Sackler Lecture Theatre, IoA (tea at 4:00 pm)
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