NIKA2 technical run #67 / August 2024

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Goal: Carry out verification and performance tests of the 30 m telescope using NIKA2, after recoating of M1

Essential issues to be tested:

• Check the feasibility and correctness of NIKA2 observations in a first approach after the last stop
• Test day/night behaviour of the beams
• Photometry and RMS check using flux calibrators for estimating improvements

Observations required:

• Standard day/night point & focus sequences

• A good statistics of calibration scans on selected planets and secondary flux calibrators (see visibility plot)
• NIKA2 beam maps (stable conditions, ~30 min each); possible targets to be used: 2251+158, Uranus, 0316+413
• A new lateral focus session would be necessary (stable conditions, telescope relaxed; it takes about 3h)

Input documentation

• Scripts and source files are located in the ~/pako/Scripts_30mCommissioning_2024/ folder of the t22 account.

Staff

IRAM staff