• Adam M, Ana S-C, Ariel G, Bastien C, Estelle R, Georgios D, Joel J, Julian B, Kate M, Martin B, Mat S, Maxime D, Melissa A, Mickael R, Valery B

• We got ~35 new Ia's in the past week
• ZTF21abxsngi: redenned (~1mag) and in a bluish galaxy. The host is a 10^9.99 galaxy.
• Outside of that, all archival classifications are now being pushed to Fritz: thanks Joel!

• Mat, Mickael, Valery, Joel and Suhail have been working on getting the final list of spectroscopically confirmed Ia's.
• This information is being stored on the same repo: https://github.com/ZwickyTransientFacility/ztfcosmoidr
  • Contact Mat if you don't have access, but want it
• Currently the repo only has the list (3720 names) and the light-curves.
• Coming soon: subtyping, redshifts and spectra.
  • Subtyping should be done systematically
  • Are we going to re-reduce the spectra? Probably not. First we need to collect everything
    • Georgios has a pipeline for the SPRAT and P200 spectra: let's use it!
• This has the potential to be a legacy sample: let's do it right!
• The internal pseudo-deadline to have this done, and submitted is March.
• What projects are we going to do with it:
  • A data release paper (M&M); a host paper (Mat); a spectrosocpy paper (Joel); a volume limited paper (M&M);
  • early / late paper (Trinity); dipole paper (Melissa); secondary max (?); lensing (Ana?); photometric typing (?); the weirdo's (?)
  • Ideas? Start doing it and contact us!
• BTS are also planning a data release for ZTF1: let's sync up.
  • The spectroscopy paper is the slow part of this project: hopefully the end of the year?
  • What are we doing about i-band? Let's discuss it :).
  • We'll also include reclassifications once the BTS group settles on them, so our top list will change.

Valery on AMPEL:

• AMPEL has 4 tiers: where data is input, aggregated, culled/fitted and then output.
• It runs on the real-time data, so will update your analysis for you as new data comes in: cool!
  • It'll also push your results to slack / email / a paper
• It's easy to write a new 'channel' that can be put into the pipeline
  • Talk to Valery if you want to use it: you should! (Mat's summary can't keep up!).
  • You can go all the way to cosmology with AMPEL. Valery's current sample has 830 SNeIa; going all the way to a dipole measurement!
  • It also keeps all of the information of what was used at every stage of the analysis: from cuts to python versions.

• Back next week: Bastien on calibration!

ZTF Ia Phone-con: 2021-Sep-22

Meeting Agenda:

1. SNe of the week [Joel J]

2. ZTFDR2: Updates and plans [The group]

3. Calibration: how it's going [Bastien]

4. AMPEL and the sample [Valery]

5. AOB / Close

-

Participants (XX):

Notes:

Transients of the Week:

• ZTF21

ZTF-DR2:

Calibration:

• Z

AMPEL:

• Z

Closing Remarks:

• Back next week: Bastien and Valery will provide updates.