Literature sources:

JM: R.Jurdana-Sepic, U.Munari, IBVS 5839, 2008.
TM: T.Tomov, M.Mikolajewski, E.Ragan, E.Swierczynski, P.Wychudzki, ATel 1475, 2008; T.Tomov, M.Mikolajewski, T.Brozek, E.Ragan, E.Swierczynski, P.Wychudzki, C.Galan, ATel 1485, 2008.
BPB: A.Baklanov, E.Pavlenko, E.Berezina, ATel 1514, 2008. (Rc=DeltaR(BPB)+0.50).
Dwo,Kiy,Kli,Mae,Nak,Nic,Sos: S.Dworak, S.Kiyota, G.Klingenberg, H.Maehara, K.Nakajima, M.Nicholson, G.Sostero (VSNET).
Me: UBV photometry by N.V.Metlova with SAI Crimean Station 60-cm telescope and Lyuty's photoelectric photometer.
SO: UBV photometry by V.P.Goranskij with SAO 1-m telescope and CCD EEV 42-40.
c7: VRc photometry by V.P.Goranskij with CrAO 38-cm telescope and CCD SBIG ST-7.
A47: UBVRc photometry by V.P.Goranskij with SAI Crimean Station 60-cm telescope and CCD Apogee-47p. V=V(A47)-0.47. U=U(SO)-0.35.
Pi: VRc photometry by V.P.Goranskij with SAI Crimean Station 50 cm Maksutov telescope and CCD MEADE Pictor-416.