1222+216 (
4C
21.35, ON 238 )
Coordinates
R.A. = 12:24:54.4583, Dec. = +21:22:46.388 (2000)
z = 0.435
Landessternwarte Heidelberg-Königstuhl
MAPCAT suggested stars: 1 2 3 4
Comparison stars
|
Star |
U |
B |
V |
R |
I |
|
1
|
|
14.99 (0.03)
|
14.19 (0.04)
|
13.84 (0.03)
|
|
|
2
|
|
15.45 (0.04)
|
14.86 (0.03)
|
14.56 (0.03)
|
|
|
3
|
|
|
15.66 (0.03)
|
15.26 (0.04)
|
|
|
4
|
|
17.17 (0.05)
|
16.24 (0.03)
|
15.83 (0.03)
|
|
comparison
stars Raiteri C.M. et al., 1998, A&AS 130,495
Field of view is 10'x10'