OJ 287
(PKS 0851+202, PG 0851+202)

Coordinates (J2000)
R.A.: 08 54 48.9    Dec.: +20 06 31

z = 0.306
E(B-V) = 0.028 mag

w0851+203.gif (2998 byte)

Field of view is 10'x 10'

Comparison stars

star B V Rc Ic   B-V V-R V-I
4 15.01 (0.06) 14.18 (0.04) 13.74 (0.04) 13.28 (0.04)   0.83 0.44 0.90
10 15.01 (0.05) 14.60 (0.05) 14.34 (0.05) 14.03 (0.05)   0.41 0.26 0.57
11 15.47 (0.07) 14.94 (0.04) 14.65 (0.05) 14.32 (0.05)   0.53 0.29 0.62
C1   15.88 (0.07) 15.50 (0.07) 15.08 (0.07)     0.38 0.80
C2   16.12 (0.08) 15.66 (0.08) 15.21 (0.08)     0.46 0.91

Comparison stars from:
Smith et al. 1985, AJ 90, 1184-1187 (B filter)
and Fiorucci & Tosti 1996, A&AS 403-407 (V, Rc and Ic filters)

Historical light curve

Photometrical data

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