Difference between revisions of "UMICH-2015: CMB-Lensing break-out session 2"

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#Systematics and Delensing
 
#Systematics and Delensing
 
#*Dust foregrounds and sources - how do they propagate through the delensing procedure? How much do they matter?
 
#*Dust foregrounds and sources - how do they propagate through the delensing procedure? How much do they matter?
#*Instrumental systematics, higher order biases - any concerns for delensing?
+
#*Instrumental systematics, higher order biases, LSS non-Gaussianity - any concerns for delensing?
  
 
==CMB Lensing Cross-correlations==
 
==CMB Lensing Cross-correlations==

Revision as of 13:02, 17 September 2015

Blake - CMB delensing, CMB lensing cross correlated with galaxy surveys, CMB lensing cross correlated with optical weak lensing, parameter forecasts, instrument requirements, survey requirements, systematic challenges (20 min)


Delensing Details

Blake, ~10 min

  1. Delensing intro
    • When is delensing necessary?
    • Can external delensing contribute anything?
  2. Algorithms - Quadratic Estimator / Iterative / Sampling
    • What is the best algorithm to use?
  3. Systematics and Delensing
    • Dust foregrounds and sources - how do they propagate through the delensing procedure? How much do they matter?
    • Instrumental systematics, higher order biases, LSS non-Gaussianity - any concerns for delensing?

CMB Lensing Cross-correlations

Blake, ~10 min

  1. weak lensing calibration with LSST / Euclid
  2. clustering from combination of DESI/Euclid/LSST data


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