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private:teleconsnotes20170503 [2017/05/19 16:09] – hananyprivate:teleconsnotes20170503 [2017/05/19 16:16] (current) – hanany
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 Legend: **Bold face** encodes 'need more information'; //italics// encodes issues that are (semi)settled in the sense that they are the basis for future discussions; __Underlined Text__ are action items. Legend: **Bold face** encodes 'need more information'; //italics// encodes issues that are (semi)settled in the sense that they are the basis for future discussions; __Underlined Text__ are action items.
  
-Telecon Notes by Al Kogut +Telecon Notes by Al Kogut (with extra SH edits)
  
-Shaul has put an Excel spreadsheet onto the wiki executive area with bands used by previous imagers (concepts or flight missions). Need to look at previous literature on band optimization. **__Action**: Will set up smaller working group to propose bands for Probe.__ +  * Shaul has put an Excel spreadsheet onto the wiki executive area with bands used by previous imagers (concepts or flight missions). Need to look at previous literature on band optimization. **__Action__**: __Will set up smaller working group to propose bands for Probe.__ 
- +  * List currently contains only bands from bolometer missions, not to be taken as dismissing lower frequencies. 
-    -- List currently contains only bands from bolometer missions, +  * General agreement on wording of E-mail for community participation in working groups.  __Rafael to send brief description__ to Shaul for broader working group including non-inflationary fundamental physics (neutrino mass, Neff). 
-       not to be taken as dismissing lower frequencies. +  * Question for data challenge: What units should we use?  Thermodynamic temperature units will pose a problem when trying to combine with channels above 1 THz from a spectrometer.  Existing S4 material on disk is already in units mK thermodynamic temperature.  Don't want to force massive rework, but don't want to prevent analysis of potential benefits from spectrometer data from higher frequencies.  __**Action:** Will sort offline with Julian/Clem.__  
- +  * Amy reviewed initial aperture analysis.  Assume Falcon-9 launch vehicle, which has 4.6 m usable fairing diameter.  Corresponding mirror effective aperture is 1.2 m to 1.4 m unless we go to deployables.  Going to optics significantly larger than CoRE will require significant cost savings from some other subsystem.  Is there a science driver (de-lensing?) that strongly pushes case for apertures significantly larger than 1.2 meters? 
- +    * __**Action:** to contact Kris Gorski for trades on scan strategy__ 
-General agreement on wording of E-mail for community participation +    * __**Action:** Can we distribute studies done for CoRE and LiteBIRD to Probe EC?__ 
-in working groups.  Rafael to send brief description to Shaul for broader +  * Cluster science: Adding space mission (CoRE) to ground_based (CMB-S4) significnantly enhances number of identified clusters.  Driver is the improved foregrounds from space mission.  See arXiv:1703.10456 for specific assumptions. 
-working group including non-inflationary fundamental physics (neutrino mass, +    * __**Action** to review paper, see if this is worth looking into for Probe.__
-N_eff). +
- +
- +
-Question for data challenge: What units should we use?  Thermodynamic +
-temperature units will pose a problem when trying to combine with +
-channels above 1 THz from a spectrometer.  Existing S4 material on disk +
-is already in units mK thermodynamic temperature.  Don't want to force +
-massive rework, but don't want to prevent analysis of potential benefits +
-from spectrometer data from higher frequencies.  Just need conversion routines? +
- +
- +
-Amy reviewed initial aperture analysis.  Assume Falcon-9 launch vehicle, +
-which has 4.6 m usable fairing diameter.  Corresponding mirror effective +
-aperture is 1.2 m to 1.4 m unless we go to deployables.  Going to optics +
-significantly larger than CoRE will require significant cost savings +
-from some other subsystem.  Is there a science driver (de-lensing?) +
-that strongly pushes case for apertures significantly larger than 1.2 meters? +
-   o Action to contact Kris Gorski for trades on scan strategy +
-   o Can we distribute studies done for CoRE and LiteBIRD to Probe EC? +
- +
- +
-Cluster science: Adding space mission (CoRE) to ground_based (CMB-S4) +
-significnantly enhances number of identified clusters.  Driver is the +
-improved foregrounds from space mission.  See arXiv:1703.10456 +
-for specific assumptions. +
-   o Action to review paper, see if this is worth looking into for Probe.+
  
  
private/teleconsnotes20170503.1495228199.txt.gz · Last modified: 2017/05/19 16:09 by hanany

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