Difference between revisions of "UMICH-2015: Inflation break-out session 1"

From CMB-S4 wiki
Jump to navigationJump to search
 
(3 intermediate revisions by the same user not shown)
Line 7: Line 7:
 
=B-modes challenges: foregrounds and de-lensing=
 
=B-modes challenges: foregrounds and de-lensing=
  
==[[UMICH-2015:ChallengeForegrounds|Foregrounds]]==
+
==[[UMICH-2015:ChallengeForegrounds|Foregrounds log-book]]==
 
*What are our latest estimates of foreground levels post-Planck?
 
*What are our latest estimates of foreground levels post-Planck?
*What simulations and tools do we have for forecasting impact on r? (details for Tuesday)
+
*What simulations and tools do we have for forecasting impact on r? (details for Tuesday, also incl delensing)
 
*What are still physical unknowns?
 
*What are still physical unknowns?
 
*Do we need new data at  <40 GHz and >230 GHz? (and 60 GHz?)
 
*Do we need new data at  <40 GHz and >230 GHz? (and 60 GHz?)
Line 15: Line 15:
 
*What is the path to a convincing claim that a B-mode signal is not foregrounds?
 
*What is the path to a convincing claim that a B-mode signal is not foregrounds?
  
==[[UMICH-2015:ChallengeDelensing|Delensing]]==
+
==[[UMICH-2015:ChallengeDelensing|Delensing logbook]]==
 
*What is the impact of delensing on r, and on nt or BB wiggles?
 
*What is the impact of delensing on r, and on nt or BB wiggles?
 
*What sensitivity and resolution do we need for the lensing map?
 
*What sensitivity and resolution do we need for the lensing map?
 +
*What are the frequency/foreground-removal requirements for the lensing map?
 +
*How low a multipole is needed for the lensing-extraction-map?

Latest revision as of 16:35, 20 September 2015

Wiki navigation

Return to main workshop page

Return to Inflation sessions page

B-modes challenges: foregrounds and de-lensing

Foregrounds log-book

  • What are our latest estimates of foreground levels post-Planck?
  • What simulations and tools do we have for forecasting impact on r? (details for Tuesday, also incl delensing)
  • What are still physical unknowns?
  • Do we need new data at <40 GHz and >230 GHz? (and 60 GHz?)
  • How important is large sky area?
  • What is the path to a convincing claim that a B-mode signal is not foregrounds?

Delensing logbook

  • What is the impact of delensing on r, and on nt or BB wiggles?
  • What sensitivity and resolution do we need for the lensing map?
  • What are the frequency/foreground-removal requirements for the lensing map?
  • How low a multipole is needed for the lensing-extraction-map?