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Fig. C.1


All 108 EPIC X-ray light-curves (top panel of each pair), and corresponding OM ultraviolet data (bottom panel of each pair) where available. Each pair of plots is labelled at the top with the 2XMM DETID, the star name, the EPIC camera and exposure number, and the X-ray time binning Δt (s). The conversion factor for count rates measured in the different EPIC cameras is 1 MOS count/s ≈ 3.2 PN count/s. The X-ray data are for the total energy band (0.2–12 keV); the OM waveband filters are indicated towards the right of the plot, and colour-coded. EPIC X-ray “flux” units are total-band count/s (in one of PN, MOS1, MOS2 cameras), while OM flux units are erg cm-2 s-1 Å-1 for imaging-mode data and count/s for fast-mode data. The conversion factors for OM count rates (count/s) to flux values are: 5.67 × 10-15 (W2), 2.20 × 10-15 (M2), 4.77 × 10-16 (W1), 1.99 × 10-16 (U), 1.24 × 10-16 (B), 2.51 × 10-16 (V) (XMM-SOC-CAL-TN-0019 Table 18.) The plots are ordered by 2XMM DETID; within each page, DETID increases from top to bottom, then right to left, starting at top right.

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