private:teleconsnotes20170712 [Probe Mission Study Wiki]

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====== Telecon Notes 20170712 ======

Attendance: Brendan, Raphael, Amy, Al, Shaul, Julian\\
Notes by: Raphael\\

=== Actions ===
  * Finalize dates + time for Foregrounds workshop (Raphael)
  * Communicate with Nobu, Mark/Bill re science workshop (Shaul)

=== Workshops === 
  * Foregrounds 
    * Currently aiming for last week of October or first week of November 
    * Some rooms cost money. Shaul says to not worry about cost of rooms. 
    * Raphael says he would have time to finalize dates and rooms during the week of July 17, when he is back at San Diego
  *  Science + Complementarity
    * Shaul talked with Mark. Some preference for May 2018
    * JB: Possibly coordinate with series of workshops for LiteBIRD? Previous workshops in 12/15 (Japan) and 1/17 (Montreal) Third workshop proposed around 1/18. Shaul suggested that they focus on technology or systematics, to complement our 'science and complementarity' later in the year. 
    * SH: Should workshops be endorsed by both teams? May not be good at this point? 
    * Shaul to communicate with Mark/Bill, and Nobu (LiteBIRD)

=== WG ===    
  * Update from Fundamental Physics WG - Raphael
    * Slides posted
    * At this point need more input regarding target sensitivities

  * Update from Extragalactic WG - Nick Battaglia
    * Recently formed extragalactic science working group, currently 15 members (+pending)
    * current approach: extragalactic science cases given CORE design
    *  Galaxy clusters: - finding clusters, cosmology, CIB and radio contamination, y-maps, individual tSZ, kSZ, and rSZ for cluster science
    * Galaxy formation at z > 2 - properties of star-formation (SF) during the peak of SF via the CIB
    * Velocity fields - cosmology, contamination, systematics
    * Thermodynamic of galaxy formation - feedback, non-thermal pressure, ionized baryon content
    * Reionization - Optical depth constraints, kSZ power spectrum, mid-point and duration of reionization
    * Gravitational lensing? Need to involve experts in lensing/delensing, currently involved in extragalactic science working group
    * SH: what resolution is needed? at 150 GHz CMBP will not have 1' resolution.  NB: OK to have 1' at the higher frequencies to complement ground-based telescopes. JM: Why are Planck beams not diffraction limited at high frequencies? BC: Not enough signal band width. JM: Can we handle signal band width for diffraction limited beams at ~800 GHz? Amy: we can accommodate 150 Mbits/s for approximately 2 hours a day
    * SH: What frequencies are important for cluster science? NB: up to 500-600 GHz

=== More on NASA slides (continuation from 2 weeks ago) ===
  * moved to next telecon
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