PROGRAM

CCM-3: Data to Science
Virtual Meeting
April 4-6, 2022

PRIMARY GOAL: Outline the path and plans to get from the data to the science.

SESSIONS

DAY 1 Monday, April 4: 10:00 AM – 2:10 PM EDT (= 14-18:10 hrs UT)
Day 1 Video Presentations

10:00 – 10:10 Introductions and statement of goals for the meeting (Gordon Stacey)
➢ Past themes: Science to instrumentation
➢ Present theme – Extracting the science from the data

10:10 – 10:30  Director’s Update (Terry Herter)

10:30 – 11:00 Chile Infrastructure Update (Pedro Correa)
Telescope Update (Steve Parshley)

11:00 – 11:20 BREAK

11:20 – 13:00 Prime-Cam (Chair: Mike Niemack)
➢ 50 min. Prime-Cam, Mod-Cam 270/350 GHz, EoR-Spec, 850 GHz Modules & Spectrometer
on a Chip (coordinated by instrument team)
➢ 10 min. Metal mesh filter updates (Carol Tucker, Cardiff)
➢ 10 min. Silicon lens and alumina filter updates (Jeff McMahon, U. Chicago)
➢ 10 min. Detector array updates (Jordan Wheeler, NIST)
➢ 10 min. Cryogenic readout and RFSoC packaging (Chris Groppi, ASU)
➢ 10 min. Discussion

13:30 – 13:20 BREAK

13:20 – 13:40 CHAI (Urs Graf)

13:40 – 14:10 Reports on Strategies and Survey Planning (Chair: Stacey)
➢ 15 min. Scan strategies (Kristin Wu, Abby White, Kshama Malavalli)
➢ 10 min. Survey Planning (Robert Simon)
➢ 10 min. Discussion

Day 2 Tuesday, April 5: 10:05 AM – 2:25 PM EDT (=14-18:25 hrs UT)
Day 2 Video Presentations

10:05 – 11:00 Line Intensity Mapping (Chair: Dominik Riechers)
➢ 55 min. Practical experience and updates to science program
o Simulations and Techniques Update (Dongwoo Chung)
o Time (Abby Crites)
o COMAP (Patrick Breysse)
o Optimal Statistics for LIM Estimators (Anirban Roy)
o Updates on CCAT-Prime Predictions (Christos Karoumpis)
➢ 5 min. Discussion

11:00 – 12:00 DSFG (Chair: Scott Chapman)
➢ 10 min. Practical experience (Ryley Hill)
➢ 10 min. Worked Example: Distant Galaxies with SPIRE+LABOCA (George Wang)
➢ 5 min. Updates to Science Program (Scott Chapman)
➢ 10 min. Data to science: Models and predictions (Benjamin Magnelli)
➢ 10 min. Data to science: Follow-up of sources (Manuel Aravena)
➢ 10 min. Signatures of the Gravitational Lensing of the CIB (Dick Bond)
➢ 5 min. Discussion

12:00 – 12:20 BREAK

12:20 – 12:40 SZ Cluster Science (Chair: Nick Battaglia)
➢ 10 min. Updates from Bonn (Maude Charmetant)
➢ 10 min. Precursor measurements from ACT (Stefania Amodeo)

12:40 – 13:10 Rayleigh Scattering and Parametric Foreground Cleaning (Chair: Daan Meerburg)
➢ 10 min. Review of latest paper on Rayleigh scattering detectability (Yijie Zhu)
➢ 15 min. Working example of parametric foreground cleaning (Benjamin Beringue)
➢ 5 min. How to proceed with Rayleigh scattering (Daan Meerburg)

13:10 – 13:25 Galactic Foregrounds and Cosmology (Steve Choi)
➢ 15 min. Simulations and Experience from ACT

13:25 – 14:25 Software and Map-making Discussion (Chair: Mike Niemack)
➢ 10 min. TOD based simulations for FYST using sotodlib (Vyoma Muralidhara)
➢ 10 min. Simons Observatory planet mapmaker and TOD tools (Matthew Hasselfield)
➢ 10 min. Simons Observatory maximum likelihood mapmaker (Sigurd Naess)
➢ 10 min. TOD simulations with TOAST and Map-making (Ankur Dev)
➢ 10 min. Puzzles with KID data (Adrian Sinclair)
➢ 10 min. Planning for Prime-Cam SW development (Erik Rosolowsky & Douglas Scott)

DAY 3 Wednesday, April 6: 10:00 AM – 2:10 PM (= 14-1810 hrs UT)
Day 3 Video Presentations

10:00 – 10:50 Galactic Studies: Prime-Cam (Chair: Laura Fissel)
➢ 10 min. The Pan-Galactic Experiment group (Brandon Hensley)
➢ 10 min. Lessons from the ACT Polarization Efforts for PrimeCam and SO (Susan Clark)
➢ 15 min. Studying 3D magnetic fields in star formation by combining radio and
sub-mm Polarimetry (Mehrnoosh Tahani)
➢ 5 min. Updates to Science Program (Laura Fissel)
➢ 10 min. Discussion

10:50 – 11:45 Galactic and Nearby Galaxies: CHAI (Chair: Robert Simon)
➢ 5 min. The Galactic Ecology project (GEco): Summary
➢ 20 min. From raw, to science ready data: Practical experience
➢ 20 min. From science ready data to Science: Models and predictions
➢ 10 min. Discussion

11:45 – 12:15 BREAK

12:15 – 13:15 Time Domain Astrophysics (Chair: Doug Johnstone)
➢ 20 min. CMB-S4 Transients Plan and Synergy with FYST (Anna Ho)
o 10 min. Discussion
➢ 8 min. FYST Variable Protostars Program Update (Doug Johnstone)
➢ 8 min. FYST Commensal Transient Program Update (Douglas Scott)
➢ 8 min. FYST Target of Opportunity Request (Greg Sivakoff)
➢ 5 min. Discussion

13:15 – 14:00 Summary: Holes in our Planning, Questions for the Project,
and Goals for CCM-4 (Frank Bertoldi)

14:00 Final Words/Wrap-up (Gordon Stacey)

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