Polarized CMB Foregrounds: What do we know and how bad is it?

Details Polarized CMB Foregrounds: What do we know and how bad is it? Polarized CMB Foregrounds: What do we know and how bad is it?

2010-05-14

arxiv.org/abs/1005.2572v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

Proceedings for Moriond cosmology conference March 2010 (4 pages, 2 figures)

Scientific paper

Polarized foregrounds are going to be a serious challenge for detecting CMB cosmological B-modes. Both diffuse Galactic emission and extragalactic sources contribute significantly to the power spectrum on large angular scales. At low frequencies, Galactic synchrotron emission will dominate with fractional polarization $\sim 20-40%$ at high latitudes while radio sources can contribute significantly even on large ($\sim 1^{\circ}$) angular scales. Nevertheless, simulations suggest that a detection at the level of $r=0.001$ might be achievable if the foregrounds are not too complex.

Affiliated with

Also associated with

No associations

Rating

Polarized CMB Foregrounds: What do we know and how bad is it? does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Polarized CMB Foregrounds: What do we know and how bad is it?, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polarized CMB Foregrounds: What do we know and how bad is it? will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-520220