blazar_list.jpg (5559 byte)

W Comae
(ON 231, B2 1219+28, 1ES 1218+285)

Coordinates (J2000)
R.A.: 12 21 31.7,   Dec.: +28 13 59
z = 0.102

WCom.jpg (67886 byte)

Comparison stars

star B V R I   B-V V-R V-I
A 12.64 (0.06) 12.08 (0.04) 11.72 (0.04) 11.40 (0.04)   0.56 0.36 0.68
D   14.81 (0.04) 13.86 (0.04) 12.68 (0.04)     0.95 2.13
C1   16.60 (0.12) 16.03 (0.10) 15.50 (0.11)     0.57 1.1

Field of view is 15'x15'

Historical Light Curve ico-curveluce.gif (912 byte)

freccia_home.gif (1116 byte)BACK to BLAZAR LIST