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| We then followed the GRB for a couple of hours. After the sunset the beams went back to nominal values and we started the observations of the LPSZ. | We then followed GRB190114C (D02-18) for 2 hours. After the sunset the beams went back to nominal values and we started the observations of the LPSZ. |
Contents
Daily Reports
Feb. 12th, (Tuesday)
Bilal, Alessia, Denis, Marco, Stefano, Nico arrived.
Alessia took the 1st shift from 4pm to midnight. Start of the observations just after the maintenance, everything went smoothly. At the beginning of the observations the FWHMs were a bit large and we decide to perform observations on primary and secondary calibrators for calibration purpose. We then followed GRB190114C (D02-18) for 2 hours. After the sunset the beams went back to nominal values and we started the observations of the LPSZ.
Night Shift, Marco and Stefano
We take over at midnight sharp, during the 5th repetition of PSZ2G133 for program 199-16. We repeat it till the 9th repetition (included), taking care of performing the appropriate pointing and PSF checks.
After the usual skydip, pointing, focus, we move to program 192-16 and observe 5 repetitions of the COSMOS scan/cross-scan, with further pointing/PSF checks in between.
We then move further to 204-18. After re-focusing we perform 2 repetitions of NEP_L and one repetition on NEP5, with the usual pointing/PSF checks in between.
Unfortunately we lose 10 minutes at the beginning of 204-18 observations for technical reasons (see Tapas).
Tau(225) is stable at ~0.3 until 3 a.m., then spiky for roughly one hour, and finally stable again at ~0.25 later on.
Probably the creation of IMBFITS stopped on 20190213s5: at 5 a.m. UT, the PIIC monitor is inactive since 272 minutes. This scan was also refused by the IDL RTA and Nicolas reports that it is not properly written.
The new NK_RTA_2 script works very well.
Feb. 13th
8am: Denis and Nico are taking their shift.
- let the loop on NEP finish
- skydip
- MWC349, CRL2688, NGC7027
- Starting GASTON 8h30UT
- done with Gaston (11h30 UT). We wanted to go for a skydip, beammap and calibrators but the beams are 1mm are 14 arcsec, so we move to a time filler program that is ok with the 18 arcsec beam at 2mm : 176-18 / Ucam (DRser is now to low). We could complete this project this afternoon if everything goes fine. We'll keep monitoring the beam regularly.