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Astrophysics Luncheon Seminar

Is the (PLANCK Sky) Universe Isotropic?
Presented by Aditya Rotti
Inter-University Centre for Astronomy and Astrophysics, Pune, India

Monday, October 28, 2013
12:00 noon in 169-336

The currently accepted ΛCDM model of Cosmology is built on the assumption that the universe is isotropic. This assumption needs to be rigorously tested and the CMB temperature anisotropy measurement is an ideal data set for this task. The PLANCK satellite has measured these anisotropies with unprecedented accuracy, resolution, and sky coverage.

I will present an overview of the cosmological information that can be extracted by studying the direction dependent part of the CMB two point correlation function and discuss some of the interesting results from PLANCK with emphasis on observation indicating deviations from isotropic nature of the universe.

SVCP Astrophysics

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