Fig. 1
Density measured by the NG. Dots represent actual measurements, whereas the dotted line connects the measurements to better visualise the trend. Panel a: measurements on 2015-02-23 between 00:00:59 and 05:20:00 without sublimating icy particle signatures. Panel b: measurements on 2015-02-22 between 00:00:58 and 05:19:58 with sublimating icy particle signatures.
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