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Daily Reports

Contents

Daily Reports

Because of the pandemic, no observers can come to the telescope. This pool is entirely in remote. This week: Nicolas Ponthieu, Alexandre Beelen, Juan Macias, Laurence Perotto, Florian Kéruzoré, Stavroula Katsioli, Hélène Roussel, Florian Ruppin

A new sweep was performed.

Oct 20th, Tuesday

High winds with gusts up to 40m/s

Oct 21th, Wednesday

With hail!

No observation could be performed so far.

Oct 22th, Thursday

It's even raining in Granada. No observations.

Oct 23rd, Friday

Morning shift:

We can start the observations, the opacity is excellent and the weather is much better, but we can't start science because we lack a beammap to reduce data. NP, AB and BL perform observation of Venus with NP reducing the beammaps successfully. Grenoble is warned about the presence of the beammaps, but the quicklook with PIIC won't be ready before Monday. The IDL pipeline is used instead!

We let the weather slowly stabilize until we can finally start observations after the sunset. Opacity throughout the evening: ~0.2

LPSZ starts science for this pool (ACT-CL-J0223)! ...

Oct 23th, Friday

Stavroula and Hélène: After the end of the project 199-16, we observed IMEGIN targets NGC628, NGC925 and NGC2841. Opacity had values under 0.25 and the conditions were stable.

Morning shift observes project 074-20 and 077-20.

Source of 077-20 is 5 degrees from the sun and while it did not hurt the science observations for a while, it ended up dramatically changing the beam parameters for the worse. So we let the antenna relax in front of M16 (029-20)

Oct 24th, Saturday

Stavroula and Hélène: After the end of the project 199-16, we observed IMEGIN targets NGC628, NGC925, NGC2841, NGC2976, and 037-20 after that. Opacity had values under 0.25 and the conditions were stable.

21h-3h, Laurence: Opacity starts around 0.3 and continuously drops during the shift:

We started with observations of a source at high elevation for 039-20 at tau~0.25 and continued observing until the source was too high.
After a focus-pointing sequence on Uranus, we did a calib_1scan, which will be useful for the absolute calibration
Then, around 00:00 UT, we moved on to LP-SZ. We observed PSZ2G155 until it was at an elevation as low as 40 degrees and then, we picked ACT-CL-J0240 just after the transit at el > 50deg

Oct 25th, Sunday

21h00 - 24h00; Florian K.: Started the run with observations of secondary calibrators (MWC349, NGC7027, CRL2688). Continued with observations of 039-20 (HD15745).

Oct 26th, Monday

00h00 - 03h00; Florian K.: Had to stop because of the strong opacity jump.

15h00 - 21h00; Ángel: Opacity about 0.15-0.20. Observed 6 reps. of G82 (007-20) and 1 rep. of HD143894 (039-20).

21h00 - 24h00; Florian K.: Started the run with 007-20 (one execution of observe_G82 to complete the target). Ran the secondary calibrators (MWC349, NGC7027, CRL2688). Observed 199-16 (two repetitions of observe_PSZ2G155 to complete the target). Made a beammap on Uranus at tau_225=0.18, el=60deg (20201026s217).

Oct 27th, Tuesday

00h00 - 03h00; Florian K.: Together Ángel performed a pointing session from 23:15 to 01:15 (UT) - 61 raw sources. Went back to 199-16 for a repetition of observe_ACTJ0240.

08h00 - 09h30; Matthieu: Stopped at 09h00 because of high opacity. Maintenance works since then.

16h00 - 21h00; Ángel: High opacity (0.7<tau<1, strong instability). Switching to EMIR at ~18h for stability monitoring. Backup observations with EMIR (project 073-20) with slow opacity decreasing. Resuming with NIKA2 at ~21h00.

21h00 - 24h00; Miren, Jean-François & Juan: Pretty bad weather. Opacity at about 0.6. We observed 029-20 following Bilal instructions.

Oct 28th, Wednesday

00h00 - 02h00; Miren, Jean-François & Juan: Pretty bad weather. Opacity at about 0.6. We observed one more hour for 029-20 following Bilal instructions until source too low. Stopped since ~02h because of high opacity.

15h00; F-Xavier Désert: opacity at 0.6 (but decreasing). Backup observations with EMIR (Mónica: project 153-19). We start observing with NIKA2 at 17 UT. Lots of anomalous refraction, going on and off. Moving to different pointing sources to get a decent focus.

21h00; Jean-François, Miren, Juan: relative good weather opacity around 0.3->0.2. Started observing MOO (Ruppin et al) and XXL clusters (Ricci et al). Good beammap on Uranus at around El.=0.60 and opacity 0.3. We observe since yesterday that box 13 is fully flagged by nk_rta, this should be investigated.

Oct 29th, Thursday

00h00 - 03h00; Jean-François, Miren, Juan: We observe ACTJ0240 for LPSZ project 199-16

03h00 - 09h00; Isabelle and Karine (assisted by Juan): We have been observing for our project 007-20 the following sources: L1506 and G150. Everything was fine, with good weather conditions We have commented on the scans in TAPAS indicating which ones should have been taken on nikas-20 account (pointing, focus, and skydip). Hopefully, we will not do the same mistake tomorrow.

09h00 - 03h00; Guilaine:

15h00 - 21h00; FXD: opacity at 0.35 and rising. Lots of turbulence. Stay tuned. Handover to EMIR for a while. Backup observations with EMIR (Mónica: project 153-19). Resuming with Marco at 20h. Start 077-20 project on MOOJ0105.

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-...followed by IMEGIN over the night shift (NGC628, NGC925) and 037-20.
+Stavroula and Hélène: After the end of the project 199-16, we observed IMEGIN targets NGC628, NGC925 and NGC2841. Opacity had values under 0.25 and the conditions were stable.
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+Stavroula and Hélène: After the end of the project 199-16, we observed IMEGIN targets NGC628, NGC925, NGC2841, NGC2976, and 037-20 after that. Opacity had values under 0.25 and the conditions were stable.

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