Notes. Each data point in the blue band spans around 23.5 min and is the combination of five single images, there is no time overlap between consecutive images. For the red band each data point spans around 47 min and is the combination of ten single frames, there is an overlap of around 23.5 min between consecutive data points (except for the outliers removed). Thermal light curves in Fig. 8 are obtained folding these data with the 2003 VS₂ rotational period. OBSID is the Herschel internal observation ID, JD are the Julian dates at the middle of the integration uncorrected for light-time (the mean one-way light-time is 306.228046 min), Band are the different filters (blue or red) used to observe with PACS, Flux/unc are the in band fluxes and 1-σ associated uncertainties expressed in millijansky (mJy), these values must be divided by the factors 0.98 and 1.01 for the blue and red bands, respectively, to obtain color corrected fluxes/uncertainties. The zero time used to fold the rotational light curves in Fig. 8 is JD = 2 452 992.768380 days (uncorrected for light-time, the one-way light-time for this date is 296.244149 min).