Diurnal variation of dust and gas production in comet 67P/Churyumov-Gerasimenko at the inbound equinox as seen by OSIRIS and VIRTIS-M on board Rosetta

Rosetta mission full comet phase results

Open Access

Fig. 2

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Radiance spectrum for a VIRTIS-M cube in the VIS channel (V1_00388760489) (top panel) and in the IR channel (I1_00388760487) (bottom panel). The dust continuum, in the range 200–3000 nm, is due to sunlight scattered by the dust particles in the coma. The IR spectrum shows the gas fluorescence emission of water vapor and CO₂ at 2700 and 4200 nm, respectively.

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