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Elana Urbach

Elana Urbach

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October 24, 2023

  • Finally got in touch with Applied Image, and sent them 3 dxf files of ComCam masks to make. One is one hole per amp, one is an L shape, and one is two lines of holes with different shapes.
  • Went to the machine shop. Can't repeat online the things that were said there, but the parts haven't been started yet. They are busy. They said they would give me an estimate by the end of the day today.
  • Talked to Larom. There's a bug at USDF so she can't get onboarded yet. Her plot of FWHM vs airmass was useful to the dm science pipelines team. They found that the location of AuxTel was recorded incorrectly in the header. They haven't figured out why the fit never finds FWHM = 1.6.
  • Talked to Parker. Will try to get to Chile by Nov. 6, maybe Nov 13 at the latest. I need to talk to Erin about filing a TR and how I should do that now. She also suggested I make a Keysight CSC PR sooner, so I can get feedback from Eric and Tiago.
  • Talked to Meghan. She will start working on the aerosol project that Chris suggested.
  • Moved the Meade telescope that Chris brought onto the table. Going to set things up so I can do measurements of the lens PSF with it.
  • Continued adding to the AT pinhole overleaf (while sitting in on zoom meetings).
  • Yesterday we got to the point with the Keysight CSC that we could take data and try to write a fits file, but for some reason it wouldn't write the fits file to disk. And then I checked and the electrometer could no longer connect (over either the CSC or telnet). I asked Parker to restart the Keysight. It didn't work. I posted in rubinobs-it-tucson. They told me to file a Jira ticket. In the end Parker made it work by running ifup enp2s0.
  • I gave DeeDee and Mark the initial masks we want to make.
  • Tonight, I'm going to help Kevin Fanning rebuild the DIMM pointing model and generally learn how to use the DIMM. I'll try to get him to run it nightly.
    • Update: tried to build a new pointing model, but there were only 3 stars that we could find on one hemishphere, so we gave up. We are running the DIMM for the night, though. Hopefully it will close successfully in the morning. 

...

  • Worked with Johnny, who repointed and refocused DIMSUM. The PSFs aren't great, but Johnny confirmed none of them are donuts. They're workable. I set it up to take two bursts every 10 minutes 500 times.
  • Gave Carom Larom the IDF EFD hexapod data. She'll get to it sooner than Guillem. She'll model the hexapod X, Y, and Z position as a function of elevation and temperature, compare her results to Chris's results, and seeing if there's a significant difference in the modeling before and after Feb. 2023 (CWFS to WEP), and look at the rms of the model fit.
  • Got parts back from the machine shop. They work! We can now solder the photodiode.
  • Booked lodging for the trip to Tucson.