The rotation period is uncertain, estimated at 14.7h.[1] The light curve possibly exhibits some faster fluctuations as well, which are hypothesized to be produced by blobs of matter in the accretion disk.[1]
^ abDella Valle, M.; Mirabel, I.F.; Rodriguez, L.F. (1994), "The optical and radio counterpart of the X-ray Nova Ophiuchi 1993", Astronomy and Astrophysics, 290: 803, Bibcode:1994A&A...290..803D
^Ballet, J.; Denis, M.; Gilfanov, M.; R., Sunyaev (1993), IAU Circ., vol. 5874