The FUV (upper) and NUV (lower) luminosity functions of the Virgo cluster down to the magnitude limit of M ≤  −10 (black filled dots; solid line) or limited to M ≤  −13 (black dotted line) compared to those obtained for the Coma cluster (red squares; dotted line; from Cortese et al. 2008b), A1367 (green long-dashed line; from Cortese et al. 2005) and the field (blue short-dashed line; from Wyder et al. 2005). The field luminosity function has been normalized to include approximately the same number of Virgo objects.