Go to the U of M home page
School of Physics & Astronomy
Probe Mission Study Wiki

User Tools

Trace:
mcsim_angles

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
mcsim_angles [2017/10/18 10:03] – hivonmcsim_angles [2018/06/25 10:28] (current) – hivon
Line 1: Line 1:
 ===== Impact of error on orientation angles ===== ===== Impact of error on orientation angles =====
  
 +[[systematicswg:| Back to Systematics]]
  
-  * Scanning strategy generated with TOAST with:+ --- //[[hivon@iap.fr|Eric Hivon]] 2017/10/18 10:22// 
 + 
 + 
 +  * Scanning strategy generated with TOAST with the parameters (adapted from  [[:polarisation_sensitivity_maps | Ranajoy's post]]):
     * precession: 22 deg, 11.75hours     * precession: 22 deg, 11.75hours
     * spin: 61 deg, 2mn     * spin: 61 deg, 2mn
     * duration and sampling rate: 366 days, 85Hz     * duration and sampling rate: 366 days, 85Hz
  
-  * Focal plane simulation (with QuickPol): 8 Planck-like beams of FWHM = 7.68 +  * Focal plane simulation (with QuickPol: [[http://adsabs.harvard.edu/abs/2017A&A...598A..25H| Hivon, Mottet & Ponthieu, 2017, A&A 598, A25]] and {{quickpol:beams_quickpol.pdf|an introduction to QuickPol (PDF)}}):  
-    * nominal: 8 detectors rotated by (0,-90) or (-45,45deg) wrt the scan direction +    * 8 Planck-like beams of FWHM = 7.68 
-    * MonteCarlo simulations: same as above with random error on each orientation angle \\ (Gaussian distribution of mean 0 and rms = 1deg)+      * nominal: 8 detectors rotated by (0,-90) or (-45,45deg) wrt the scan direction 
 +      * MonteCarlo simulations: same as above with random error on each orientation angle \\ (Gaussian distribution of mean 0 and rms = 1deg)
  
   * CMB only, no noise, no foreground, no mask   * CMB only, no noise, no foreground, no mask
Line 16: Line 21:
 In the plot below, are shown the leaked power spectra seen when auto-correlating the map obtained In the plot below, are shown the leaked power spectra seen when auto-correlating the map obtained
 when combining the 8 detectors, with either the nominal orientations or the MC error ones. when combining the 8 detectors, with either the nominal orientations or the MC error ones.
 +  * Green long dashes: nominal, 
 +  * colored shorter dashed: first 4 simulations, 
 +  * short gray dashes: next 6 simulations,
 +  * black dots: fraction of the input power spectrum.
 +
 +{{quickpol:w_qp_pico_8d.png?800|}}
 +
 +
 +
  
  
-Green long dashes: nominal, colored shorter dashed: first 4 simulations, short gray dashes: next 6 simulations.+[[systematicswg:| Back to Systematics]]
  
-https://zzz.physics.umn.edu/ipsig/?image=quickpol%3Aw_qp_pico_8d.png&ns=quickpol&tab_details=view&do=media&tab_files=search 
  
mcsim_angles.1508339029.txt.gz · Last modified: 2017/10/18 10:03 by hivon

Page Tools