QSO 1639+398 (NRAO 512)
RA: 16 40 29.63 DEC: 39 46 46.0 (J2000)
z=1.660000
The magnitudes without errors (errors are denoted by parentheses) are taken from the USNO-A2.0 survey plates.
| ID | USNO-A2 # |  (deg) |  (deg) | U Mag | B Mag | V Mag | R Mag | I Mag | J Mag | H Mag | K Mag | NOTES | ||
| obj | 1275-09021697 | 250.123498 | 39.779456 | 18.2 | 17.6 | |||||||||
| 1 | 1275-09022000 | 250.135675 | 39.768914 | 15.7 | 15.56(0.10) | |||||||||
| 2 | 1275-09022186 | 250.143145 | 39.779895 | 17.6 | 16.47(0.10) | |||||||||
| 3 | 1275-09021760 | 250.125828 | 39.789834 | 17.5 | 17.75(0.10) | |||||||||
| 4 | 1275-09021405 | 250.111012 | 39.822667 | 18.6 | 18.45(0.10) | |||||||||
| 5 | 1275-09022287 | 250.148225 | 39.818448 | 17.6 | 17.34(0.10) | |||||||||
| 6 | 1275-09020060 | 250.054887 | 39.743764 | 16.5 | 16.10(0.10) | |||||||||
| 7 | 1275-09021149 | 250.099637 | 39.762089 | 17.8 | 17.64(0.10) | |||||||||
| 8 | 1275-09020368 | 250.068064 | 39.766973 | 18.0 | 17.70(0.10) | |||||||||
| 9 | 1275-09020403 | 250.069462 | 39.770348 | 17.8 | 17.92(0.10) | |||||||||
| 10 | 1275-09021182 | 250.101145 | 39.804320 | 19.5 | 18.21(0.10) | |||||||||
| 11 | 1275-09021936 | 250.132864 | 39.803012 | 19.2 | 18.60(0.10) | |||||||||
| Reference: | Miller (unpublished) | |||||||||||||