Tags: Star.
GRO J1719-24 (GRS 1716-249 V2293 Oph X-Ray Nova Ophiuchi 1993) is supposed to be a low-mass X-ray binary. Its name derives from an X-ray transient detected in 1993. The system consists of a black hole candidate and a low mass companion estimated to be a main sequence star of the spectral type K05-V.The rotation period is uncertain estimated at 14.7h.