Upper: X-ray (red circles) and host-subtracted, Galactic absorption-corrected, UVOT-UVW2 filter (blue squares) luminosity light curves. The modelled host galaxy UVW2 luminosity is shown for reference (pink dashed line), Lower: Full X-ray observed flux light curve calculated using the COMPBB model (see Table 3). The dotted line represents a flare consisting of a 50 day rise to a 100 day plateau of 2.5 × 10⁻¹² ergs s⁻¹ cm⁻² and a 200 day decay with index t⁻⁵, repeating every 710 days. Downward triangles denote 2-sigma upper limits.