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Fig. 13

image

Atmospheric opacity as measured from the IRAM 225 GHz tau-meter (cyan), and from the NIKA2 data at 150 (red) and 260 GHz (blue) during the February, 2017 NIKA2 commissioning campaign. We stress the fact that the IRAM 225 GHz tau-meter data is not used for the atmospheric correction and is plotted here just for comparison.

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