X Lac

Photometry

• Szabados, L. 1980, Commun. Konkoly Obs. Hung Acad. Sci., Budapest, No.76
  " Photoelectric UBV Photometry of Northern Cepheids. II "
  19 UBV measurements [data] , [notes]
• Henden, A.A. 1980, MNRAS, 192, 621
  " A Search for Northern Hemisphere Double-Mode Cepheids. II - New UBV Cepheid Photometry "
  8 UBV (Johnson) measurements [abstract] , [data] , [notes]
• Moffett, T.J., and Barnes, T.G. 1984, ApJS, 55, 389
  "Observational Studies of Cepheids. II. BVRI Photometry of 112 Cepheids"
  52 BVRI (Johnson) measurements [abstract] , [data] , [notes]
• Berdnikov L.N., 1992, Astron. and Astrophys. Transactions, 2, 107-156
  " Photoelectric observations of Cepheids. VI "
  44 UBVR (Johnson) measurements [data] , [notes]
• Berdnikov L.N., 1992, Astron. and Astrophys. Transactions, 2, 157-181
  " Photoelectric observations of Cepheids. VII "
  21 UBVR (Johnson) measurements [data] , [notes]
• Berdnikov L.N., 1992, Astron. and Astrophys. Transactions, 2, 1-30
  " Photoelectric observations of Cepheids. III "
  24 UBVR (Johnson) measurements [data] , [notes]
• Berdnikov L.N., 1992, Astron. and Astrophys. Transactions, 2, 43-105
  " Photoelectric observations of Cepheids. V "
  35 UBVR (Johnson) measurements [data] , [notes]
• Berdnikov L.N., 1992, Pis'ma Astron. J., 18, 325-375
  " Photoelectric observations of Cepheids in 1991 "
  21 UBVR (Johnson) measurements [data] , [notes]
• Berdnikov L.N., 1993, Pis'ma Astron. J., 19, 210-263
  " Photoelectric observations of Cepheids in 1992 "
  30 UBVR (Johnson) measurements [data] , [notes]
• Berdnikov L.N., and Voziakova O.V., 1995, Pis'ma Astron. J., 21, No. 5, in press
  " Photoelectric observations of Cepheids in 1994 "
  24 UBVR (Johnson) measurements [data] , [notes]
• Barnes, T.G., Fernley, J.A., Frueh, M.L., Navas, J.G., Moffett, T.J., and Skillen, I.
  PASP, 109, 645
  " BVRIJHK Photometry of Cepheid Variables "
  26 JHK measurements [data] , [notes]
• Barnes, T.G., Fernley, J.A., Frueh, M.L., Navas, J.G., Moffett, T.J., and Skillen, I.
  PASP, 109, 645
  " BVRIJHK Photometry of Cepheid Variables "
  16 BVRI (Johnson) measurements [data] , [notes]

Radial Velocities

• Barnes, T.G., Moffett, T.J., and Slovak, M.H. 1988, ApJS, 66, 43
  " Observational Studies of Cepheids. VII - Radial Velocities of Faint Cepheids "
  11 measurements [abstract] , [data] , [notes]
• Bersier, D., Burki, G., Mayor, M., and Duquennoy, A. 1994, A&AS, 108, 25
  "Fundamental parameters of Cepheids. II. Radial velocity data"
  22 measurements [data] , [notes]