Daily Reports
Contents
Feb 22nd, Tuesday
00:00-03:00; Albrecht, Angel: DAQ started at 00:15; bad KIDs 44/5/46 (ar1/ar2/ar3). Tau(225 GHz) < 0.2 throughout this mini-shift. FWHM 17.2" x 17.9" (2 mm); quite stable atmosphere: p2p variations of ~0.5 Jy/b, same band. @calib_1scan on CRL618 and ALFORI (scans 20220221s275 and s277). Then a @skydip (s278). Switch to project 192-16. Four rounds launched on COSMOS field (the last one running in the next shift).
03:00-09:00; Corentin: Finished the rep on COSMOS. Then I switched to nikaw-21 project and did a pointing & focus and got a beammap on 1253-055. Then a skydip, there was a little increase in opacity (0.2 --> 0.3) but it decreased rapidly to 0.2. I switched to project 199-16, and did 2 reps on PSZ2G081 (32-->34/44) (with a point on 1633+382), then 4 reps on PSZ2G094 (20-->24/24 FINISHED)(with a point + focus on 1641+399). Finally a rep on PSZ2G081 (35/44) and switched to project nikaw-21 in order to do 3 @calib1scan on MWC349, NGC7027, and CRL2688 (20220222s89, s90, and s91). Finishing with a @skydip (s92). Opacity remained stable quite all night (~0.2).
09:00-11:50; Angel: Starting on project 109-21. Two reps. (=4 rounds) on B68. Got @calib_1scan on Mars (s117). Then, 1 rep. on B335. Opacity was below 0.2. Nicely stable atmosphere.
15:40-21:00; Angel: Checking system after maintenance. Computer Mac8 doesn't work after several tries. Retuning; bad KIDs 43/4/47 (ar1/ar2/ar3). Opacity < 0.2. Point & focus on 0316+413, looking for starting with project 122-16 (GASTON). Imbfits creation takes unexpectedly long times; mrt-lx3 is slow. Reported to the IT group. NFS service anomalies, with nika2-a and mrt-lx3 involved, were detected and restored by PM & WR. Consequently, DAQ was restarted; retuning, bad KIDs 31/5/43 (ar1/ar2/ar3). Checking pointing & focus on CRL618. The system is stable again. GASTON targets were too high at that time. Got a @calib_1scan on CRL618 (s152) and ALFORI (s155). Switching to project 143-21; quite stable atmosphere. Target G202 observed: 1 rep. Focus and pointing on Uranus + @calib_1scan (s182) + @skydip (s183). Beams are not in good shape for a beam map. Asking SS for checking the back structure/main dish temperatures. Doing the overlap with Matthieu.
21:00-03:00; Matthieu: We started the shift with focus on Uranus followed by 0316+413. The beam seemed finally stable after the difficulty of the afternoon and we did a beammap [s202]. We then did a pointing and a calib_1scan on CRL618. We then observed GASTON [l1521e] during ~1h and finally moved to COSMOS until the rest of the shift. The weather was stable with a tau going from 0.2 in the early night to 0.15.
Feb 23rd, Wednesday
03:00-09:00; Karine, Isabelle: Following the previous shift, we continued observing project 192-16. We did a focus that we had to repeat once to get reasonable results and nice beams. Then we did 2 reps (cosmos). At 4h30 the wind was too high and the telescope was parked until 7h20. We resume observations at 7h40 [retuning: bad KIDs 42/5/46 (ar1/ar2/ar3)] with a pointing/focus on 1757-240 on nikaw-21 account. Then we did one rep on B68 (project 109-21). Tau was ~0.2 at the beginning of the shift and increased to 0.26 by the end of the shift.
09:00-15:00; Andrew: Going to MWC349 for standard calibrations. Stopped at 09:05 because of wind gusts. Resuming observations with NIKA2 at 11:40, but with not-so-good perspectives. Retuning: bad KIDs 53/6/53 (ar1/ar2/ar3). Pointing to 2251+158 for getting focus and monitoring stability. Good beam sizes. A @calib_1scan on Mars (20220223s61) and @skydip (s62). Opacity increasing above 0.35 and unstable. Switched to EMIR (~13:30) backup program 174-21 for getting 0.5 reps. on 23028 before tau(225 GHz) > 0.7. Telescope stopped at 14:45.
15:00-21:00; Jean-Francois (on-hold), Angel: Stopped until ~18:45 when tau(225 GHz) dropped to ~0.4, unstable. Restarting observations with EMIR, backup project 116-21 (E0 band). Target L1544 observed. Preparing overlap for Hélène and Frédéric.
21:00-03:00; Hélène, Frédéric: EMIR project 116-21 (L1544) observed until 00:40; <tau> ~0.4, too unstable to continue on project 170-21 (EMIR E0+E2). Telescope stopped.
Feb 24th, Thursday
03:00-09:00; Karine, Roberta (on-hold): Cloudy. Trying to resume observations with EMIR project 174-21 (E0 band) at 07:45. Opacity increasing above 0.7, large variations. Telescope stopped.
Feb 25th, Friday
Feb 26th, Saturday
Feb 27th, Sunday
Feb 28th, Monday