Data sources

PS: K. Malek, vsnet-alert 11696, (Pi of the Sky) 2009
CAS: B.Allen, A.de Ugarte Postigo, A.J.Castro-Tirado, J.Gorosabel, M.Jelinek, R.Cunniffe, S.Guziy, P.Kubanek, P.Yock, I.Bond, G.Cristie, ATel 2409, 2010.
Me: N. Metlova, 60 cm telescope of SAI Crimean Station, Lyuty's photoelectric UBV photometer
CSS: A.J.Drake, S.G.Djorgowski, M.J.Graham, A.A.Mahabal, R Williams, P.Wils, J.Greaves, M.Catelan, J.Prieto, E.C.Beshore, S.M.Larson, A.Boattini, A.Gibbs, A.Grauer, R.Hill, R.Kowalski, E.Christensen, ATel 2331, 2009.
RBS: E.Ragan, T.Brozek, K.Suchomska, A.Skalbania, P.Konorski, C.Galan, E.Swerczynski, T.Tomoy, M.Mikolajewski, ATel 2327, 2009
YS: M.Yamanaka, M.Sasada, R.Itoh, A.Arai, vsnet-alert 11708, 2009 (V=V[YS]-0.6; B=B[YS]-0.6)
47: N.Metlova and V.Goranskij, BVRc observations with the 60 cm telescope of SAI Crimean Station and CCD Apogee-47p.
it: V.Goranskij, R band observations with the 25-cm telescope and electronic image tube.