foregroundstelecon20210318 [Probe Mission Study Wiki]

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====== Telecon Notes March 18, 2021 ======

[[https://spa-zzz-01.spa.umn.edu/!ipsig/foregrounds|Link to main foregrounds telecons page]] \\
[[https://spa-zzz-01.spa.umn.edu/!ipsig/logbook|Link to logbook]]

Attendance:   Ragnhild, Mathieu, Shaul, Clem \\
Regrets:  \\

Agenda:
  * Updates

Notes: Shaul \\

=== Updates === 

   * Ragnhild shows work {{ ::20210318_commander_pico.pdf |done with Unni's simulations}}, and model 90.91
     * The r likelihood (pgs. 6,7) shows a detection of r, for r=0. Why? And why is the likelihood so narrow? 
     * MR: can you show the foreground residuals? Are you fixing A_{lens} or are you fitting for A_{lens}? 
     * For r=0.003, reconstruction of r works well. 
     * Chi^2 (not reduced) is shown in page 11. 
     * Question: should we proceed with Unni's simulations? 
   * Clem describes his iterations with HK (and there's more follow up in e-mail after the telecon)
     * Decision: he will go to l_max = 4*nside 
   * Discussion about PICO's noise model. Currently it is effectively white. Is that realistic? **Shaul will check**.

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