GC 0109+224
(S2 0109+22, TXS 0109+224)

Coordinates (J2000)
R.A.: 01 12 05.8    Dec.: +22 44 39

z = ...
E(B-V) = 0.037 mag

w0109+224.gif (40572 byte)

Field of view is 10'x 10'

Comparison stars

star B V Rc Ic   B-V V-R V-I
I 13.25 (0.06) 12.51 (0.05) 12.11 (0.04) 11.76 (0.04)   0.74 0.4 0.75
D 15.19 (0.06) 14.45 (0.05) 14.09 (0.05)     0.74 0.36  
C1 16.30 (0.10) 15.28 (0.07) 14.72 (0.06) 14.22 (0.08)   1.02 0.56 1.06
E 16.01 (0.08) 15.29 (0.07) 14.94 (0.05) 14.60 (0.07)   0.72 0.35 0.69

Calibrations made by Perugia and Torino Astronomical Observatories.
(Ciprini, Tosti, Raiteri, Villata, Ibrahimov & Nucciarelli 2002, in prep.)

Historical light curve

Photometrical data

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