1253-055 (3C 279, 4C -05.55, CTA 56, ON -089)
Coordinates
= 12:56:11.1665,
= -05:47:21.523
(2000.0)
z = 0.5362
Landessternwarte Heidelberg-Königstuhl
Comparison stars
| star | U | B | V | R | I |
| 1 | 17.23 (0.16) | 16.81 (0.05) | 15.94 (0.03) | 15.45 (0.03) | 14.99 (0.04) |
| 2 | 13.10 (0.04) | 13.02 (0.02) | 12.42 (0.02) | 12.05 (0.02) | 11.69 (0.02) |
| 3 | 15.56 (0.13) | 15.45 (0.07) | 14.90 (0.03) | 14.53 (0.05) | 14.18 (0.09) |
| 4 | 14.11 (0.02) | 13.75 (0.01) | 13.00 (0.01) | 12.57 (0.03) | 12.17+-0.01 |
| 5 * | --- | --- | --- | --- | --- |
| 6 | 13.51 (0.01) | 13.43 (0.01) | 12.81 (0.01) | 12.45 (0.03) | 12.12 (0.01) |
| 7 ** | 16.53 (0.05) | 15.66 (0.03) | 15.13 (0.02) | ||
| 8 *** | 16.37 | 15.14 | 14.44 |
**: Raiteri C.M. et al., 1998, A&AS 130, 495
***: Villata M. et al., 1997, A&AS 121, 119
other data from: http://quasar.colgate.edu/~tbalonek/optical/3C279compstars.gif
Field of view is 15'x15'
M.Hauser@lsw.uni-heidelberg.de