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University of Cambridge > Talks.cam > Cosmology Lunch > Galaxy alignments in the cosmological context
Galaxy alignments in the cosmological contextAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact James Bonifacio. The observed shapes and orientations of galaxies are correlated across the sky. This is known to be due to two phenomena. The first is the gravitational lensing of galaxy shapes, currently one of the major probes of dark energy. The second is the “intrinsic” alignment arising from physical interactions between galaxies and the distribution of matter in the Universe. In this talk, I will describe ongoing efforts to measure and model intrinsic alignments with multiple tools, and to mitigate their role as contaminant to the upcoming generation of gravitational lensing surveys. I will finally describe some potential applications of intrinsic alignments to cosmology. This talk is part of the Cosmology Lunch series. This talk is included in these lists:
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