(VSX J212531.9-010745, AUID 000-BCY-521) Binary PG 1159-type variable star The spectrum of SDSS J212531.92-010745.9 shows not only the typical signature of a PG 1159 star, but also indicates the presence of a companion. The orbital motion of the system, based on a sine fit results in a period of 6.95573(5)h. The system is faint and blue (V ~ 17.6; B-V = -0.4)