z = 0.424
Equat. coordinates (J2000.0)
R.A.: 07 38 07.39, Dec.: +17 42 18.99
Field of view is 15'x15'
GASP suggested stars: C D
A
Johnson-Cousins photometry of comparison stars
Star |
R.A. |
Dec. |
V |
Rc |
Ic |
|
(J2000.0) |
(J2000.0) |
[mag] |
[mag] |
[mag] |
C1 |
07 38 00.5 |
+17 41 19.9 |
13.26 ± 0.04 |
12.89 ± 0.04 |
12.57 ± 0.04 |
C |
07 38 02.4 |
+17 41 22.2 |
14.45 ± 0.04 |
13.85 ± 0.04 |
13.32 ± 0.04 |
D |
07 38 08.3 |
+17 44 59.7 |
15.90 ± 0.05 |
15.49 ± 0.05 |
15.12 ± 0.06 |
C2 |
07 38 08.5 |
+17 40 29.2 |
13.31 ± 0.04 |
12.79 ± 0.04 |
12.32 ± 0.04 |
C4 |
07 38 11.6 |
+17 40 04.4 |
14.17 ± 0.05 |
13.80 ± 0.04 |
13.48 ± 0.04 |
C7 |
07 38 20.7 |
+17 40 51.2 |
15.01 ± 0.06 |
14.70 ± 0.06 |
14.37 ± 0.05 |
A |
07 38 23.4 |
+17 42 43.0 |
13.40 ± 0.05 |
13.10 ± 0.05 |
12.82 ± 0.05 |
Photometric calibrations
above made by Perugia Astronomical Observatory:
(Ciprini S., Takalo L. O., Tosti G., Raiteri C. M., Fiorucci M., Villata M., Nucciarelli G., Lanteri L., Nilsson K., & Ros J. A.,
2007, A&A, 467, 465)