K2 photometry processing example for EPIC 212708252. Top left: light curve for EPIC 212708252 obtained during K2 C6 (left part) and C17 (right part). Blue points show the raw light curve as extracted from the target pixel files using custom apertures, while yellow points show the light curve after correcting for the K2 systematics. Bottom left: power density spectra for EPIC 212708252 as calculated from the raw (blue) and systematics-corrected (yellow) light curves. The insert shows the PS ⊗ PS of a region of the PDS centred on the measured ν_max (~2900 µHz), where the dashed (dotted) line corresponds to the measured value for ∆ν/2 (∆ν/4). Right: the échelle diagram of EPIC 212708252.