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Table 1
Number of ICRF sources with angular separations ρ<ρmax between the optical and radio positions.
| ICRF | ρmax (mas) | |||||
| group | 0.5 | 1 | 5 | 10 | 50 | 150 |
|
|
||||||
| all | 451 | 971 | 1884 | 2054 | 2173 | 2191 |
| (%) | (20) | (44) | (86) | (94) | (99) | (100) |
| defining | 113 | 186 | 245 | 258 | 261 | 262 |
| (%) | (43) | (71) | (94) | (98) | (100) | (100) |
| non-VCS | 167 | 333 | 556 | 599 | 620 | 640 |
| (%) | (26) | (52) | (87) | (94) | (97) | (100) |
| VCS-only | 171 | 452 | 1083 | 1197 | 1262 | 1289 |
| (%) | (13) | (35) | (84) | (93) | (98) | (100) |
Notes. In brackets are the percentages of sources in the group below the given limits.
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