S5 1803+78
(8C 1803+784)

Coordinates (J2000)
R.A.: 18 00 45.8    Dec.: +78 28 04

z = 0.680
E(B-V) = 0.052 mag

w1803+784.gif (25492 byte)

Field of view is 10'x 10'

Comparison stars

star B V Rc Ic   B-V V-R V-I
A 15.39 (0.05) 14.54 (0.03) 14.06 (0.03) 13.62 (0.03)   0.85 0.48 0.92
B 15.97 (0.01) 15.30 (0.01) 14.92 (0.01) 14.53 (0.01)   0.67 0.38 0.77
C 16.37 (0.01) 15.73 (0.01) 15.36 (0.01) 14.97 (0.01)   0.64 0.37 0.76
D   16.58 (0.01) 16.08 (0.01) 15.57 (0.01)     0.50 1.01
E   16.49 (0.01) 16.10 (0.01) 15.70 (0.01)     0.39 0.79

Errors for star A include the zero point uncertainty while for the others only the intercalibration uncertainty is given.

Comparison stars from Nesci et al. 2002, AJ 124, 53-64

 

Historical light curve

Photometrical data

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