Sigurd Kirkevold Næss: Maximum likelihood map making in the QUIET experiment: How to extract a signal from an ocean of noise.

The QUIET experiment tries to measure the B-mode polarization of the
CMB, and this is an extremely tiny signal, with fluctuations smaller
than one µK on the sky, compared to about 500 µK for the temperature
fluctuations and about 10 µK for E-mode polarization. This means you
can't just point your telescope at the sky, take a picture, and be done.
So how does one map out the CMB polarization? How can one avoid being
biased by bad weather, one's filters and oneself? And how can one be sure
that the results are trustworthy when 99.99% of the input data is noise?
The presentation will include exclusive pictures of polarized CMB in its
natural habitat.