˙STUDY OF THE OPEN CLUSTER NGC 6811 E.V.Glushkova, V.M.Batyrshinova, M.A.Ibragimov Description: 191 individual measurements of radial velocities made with CORAVEL- type spectrometer (Tokovinin, 1987) are presented for 60 stars in the large region of NGC 6811 open cluster. Photoelectric UBVR magnitudes are given for 117 stars - members of the cluster by proper motions (Sanders, 1971). Spectral classification of these stars is taken from Straizys and Kazlauskas (1993). File Summary: -------------------------------------------------------------------------------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- ReadMe 80 . This file carvr 38 191 Catalog of the radial velocities catubvr 89 117 Catalog of the UBVR magnitudes -------------------------------------------------------------------------------- Byte-by-byte Description of file: catvr -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 2 I2 --- N_F Number of star in Fig. 1 6- 10 I5 --- N_B Number of star by Barkhatova et al. (1978) 14- 22 F9.3 d JD Heliocentric Julian date - 2400000 26 A1 --- RV- Radial velocity sign 27- 32 F6.2 km/s RV Heliocentric radial velocity 35- 38 F4.2 km/s errV Uncertainty in RV -------------------------------------------------------------------------------- Byte-by-byte Description of file: catubvr -------------------------------------------------------------------------------- Bytes Format Units Label Explanations -------------------------------------------------------------------------------- 1- 3 I3 --- N_S Number of star by Sanders (1971) 5- 9 I5 --- N_B Number of star by Barkhatova et al. (1978) 10 A1 --- N_F * means that number of star is given in Fig. 1 14-19 F6.3 mag V V magnitude 20 A1 --- uns : indicates unreliable values of V 22-26 F5.3 mag errV Uncertainty in V 28 A1 --- (U-B)- (U-B) sign 29-33 F5.3 mag U-B (U-B) color index 34 A1 --- uns : indicates unreliable values of (U-B) 36-40 F5.3 mag err(U-B) Uncertainty in (U-B) 43-47 F5.3 mag B-V (B-V) color index 48 A1 --- uns : indicates unreliable values of (B-V) 50-54 F5.3 mag err(B-V) Uncertainty in (B-V) 57-61 F5.3 mag V-R (V-R) color index 62 A1 --- uns : indicates unreliable values of (V-R) 64-68 F5.3 mag err(V-R) Uncertainty in (V-R) 71 I1 --- n Number of measurements 74-82 A9 --- Sp Spectral classification by Straizys and Kazlauskas (1993) 87-89 A3 --- mem Membership of star in the cluster -------------------------------------------------------------------------------- References: Tokovinin, A.A., 1987, Astron.Zh., V.63, P.196. Straizys, V., Kazlauskas, A., 1993, Baltic Astronomy, V.2, N.1, P.1. Sanders, W.L., 1971, Astron. and Astrophys., V.15, P.368. Barkhatova, K.A., Zakharova, P.E., Shashkina, L.P., 1978, Sov. Astron., V.22, P.31.