1253-055 (3C 279, 4C -05.55, CTA 56)
Coordinates
R.A. = 12:56:11.1665, Dec. = -05:47:21.523 (2000.0)
z = 0.5362
MAPCAT suggested stars: 1 2
3 5
Comparison stars
|
Star |
U |
B |
V |
R |
I |
|
1 |
13.08 (0.06) |
13.02 (0.03) |
12.42 (0.03) |
12.05 (0.02) |
11.70 (0.02) |
|
2 |
14.06 (0.07) |
13.73 (0.04) |
12.99 (0.04) |
12.56 (0.03) |
12.17 (0.03) |
|
3 |
15.51 (0.07) |
15.49 (0.03) |
14.87 (0.03) |
14.53 (0.02) |
14.20 (0.08) |
|
4 |
|
16.53 (0.05) |
15.66 (0.03) |
15.13 (0.02) |
|
|
5
|
17.23 (0.16) |
16.79 (0.04) |
15.98 (0.04) |
15.47
(0.02) |
15.00 (0.04) |
|
S* |
--- |
--- |
--- |
--- |
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comparison
stars from Raiteri C.M. et al., 1998, A&AS 130,
495
U and I data from Smith P.S. & Balonek T.J.,
1998, PASP 110, 1164
* Simona: highly variable star
Important note:
If star 1 is not saturated and can be used, please use MIDAS aperture parameters: 25pix, 10pix, 3, pix
Field of view is 10'x10'