1652+398 (MRK 501)
Coordinates
R.A. = 16:53:52.2167, Dec. = +39:45:36.609 (2000.0)
z = 0.033663
GASP suggested stars: 1 2 4
6
Comparison stars
|
Star |
U |
B |
V |
R |
I |
|
1 |
14.23 (0.02) |
13.55 (0.03) |
12.61 (0.02) |
12.11
(0.02) |
11.63 (0.01) |
|
2 |
14.62 (0.02) |
14.10 (0.03) |
13.23 (0.02) |
12.79 (0.02) |
12.34 (0.01) |
|
3 |
|
15.98 (0.04) |
15.24 (0.02) |
14.80 (0.02) |
14.322 (0.009) |
|
4 |
16.116 (0.045) |
16.05 (0.05) |
15.30 (0.02) |
14.96 (0.02) |
14.546 (0.004) |
|
5 |
|
16.27 (0.04) |
15.51 (0.02) |
15.08 (0.02) |
|
|
6 |
17.756 (0.180) |
16.82 (0.05) |
15.67 (0.04) |
14.99 (0.04) |
14.373 (0.015) |
comparison
stars from Villata et al., 1998, A&AS 130, 305
U and I data of Stars 1 2 from Smith, Jannuzi & Elston, 1991, ApJS 77, 67
U and I data
of Stars 3 4 6 from González-Pérez,
Kidger & Martín-Luis,
2001, AJ 122, 2055
Field of view is 10'x10'