Difference between revisions of "R-forecasting: high and low ell coordination"

From CMB-S4 wiki
Jump to: navigation, search
(Created page with "On this page we discuss and provide links for coordinating the optimization between high and low ell surveys.")
 
Line 1: Line 1:
 
On this page we discuss and provide links for coordinating the optimization between high and low ell surveys.
 
On this page we discuss and provide links for coordinating the optimization between high and low ell surveys.
 +
 +
 +
Summary of plan:
 +
 +
Colin H. ran his foreground-cleaning code for the following cases:
 +
 +
fsky = [0.03, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4]
 +
 +
Ndet_highres = 40k, 70k, 100k, 200k, 300k, 500k, 1000k 
 +
 +
where we assume observing is for 5 years (so multiply by 5 to get detector-years).  He produces Nl^BB and Nl^EE for each case.  They are at the links below:
 +
 +
For 40k:
 +
http://www.astro.princeton.edu/~jch/SO_pol_optimize_5m_dustGalpolsynchGalpoldeproj_atm_PSrad_fskyvars.tgz
 +
 +
For 70k, 100k, 200k, 300k, 500k, 1000k:
 +
http://www.astro.princeton.edu/~jch/S4_pol_optimize_5m_dustGalpolsynchGalpoldeproj_atm_PSrad_fskyvars_Ndetvars.tgz
 +
 +
 +
Victor is set up to turn those curves into delensing fractions. 
 +
 +
 +
Victor then runs his code for the following fsky fractions and Ndet.
 +
 +
fsky = [0.03, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4]
 +
 +
Ndet_lowres = 40k, 70k, 100k, 200k, 300k, 500k, 1000k
 +
 +
 +
That will mean calculating his cov mat for each case above, and then exploring combinations with delensing fractions from Colin's curves. 
 +
 +
We will end up with a set of combinations of fsky, Ndet_low, and Net_high that reaches the S4 sigma(r) target.  Of those, we will identify the ones where Ntot=Ndet_lowres + Net_highres is minimized.

Revision as of 08:30, 16 May 2017

On this page we discuss and provide links for coordinating the optimization between high and low ell surveys.


Summary of plan:

Colin H. ran his foreground-cleaning code for the following cases:

fsky = [0.03, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4]

Ndet_highres = 40k, 70k, 100k, 200k, 300k, 500k, 1000k

where we assume observing is for 5 years (so multiply by 5 to get detector-years). He produces Nl^BB and Nl^EE for each case. They are at the links below:

For 40k: http://www.astro.princeton.edu/~jch/SO_pol_optimize_5m_dustGalpolsynchGalpoldeproj_atm_PSrad_fskyvars.tgz

For 70k, 100k, 200k, 300k, 500k, 1000k: http://www.astro.princeton.edu/~jch/S4_pol_optimize_5m_dustGalpolsynchGalpoldeproj_atm_PSrad_fskyvars_Ndetvars.tgz


Victor is set up to turn those curves into delensing fractions.


Victor then runs his code for the following fsky fractions and Ndet.

fsky = [0.03, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4]

Ndet_lowres = 40k, 70k, 100k, 200k, 300k, 500k, 1000k


That will mean calculating his cov mat for each case above, and then exploring combinations with delensing fractions from Colin's curves.

We will end up with a set of combinations of fsky, Ndet_low, and Net_high that reaches the S4 sigma(r) target. Of those, we will identify the ones where Ntot=Ndet_lowres + Net_highres is minimized.