Fig. 5


(A) Local water outgassing rate of comet 67P during the Rosetta mission (2014–2016), as measured by ROSINA (black line, one-day moving average) and retrieved from RPC-ICA. RPC-ICA one-day moving averages are presented as red circles, whereas the full non-averaged time series is shown as gray pluses. Safe mode and excursions are indicated: at these dates, the outgassing rate from ROSINA-COPS yields unreliable results. Inbound and outbound fits to the ROSINA data of Hansen et al. (2016) (orange line, corrected for latitude/longitude effects) and to the RPC-ICA data (blue line, present study) are shown. (B) Cometocentric (left axis) and heliocentric distances (right axis) during the mission. Instrumental uncertainties are estimated to be 15% for ROSINA-COPS.

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