| Field | Units | Value |
|---|---|---|
| 3CRR name | 3C455 | |
| IAU name | 2252+129 | |
| Redshift | 0.5427 (r) | |
| 178-MHz flux | (Jy) | 14.0 |
| Sp. index | 0.71 | |
| FR class | II (r) | |
| 5-GHz core flux | (mJy) | 1.4 (r) (n) |
| Old radio position | (reference) | |
| `Best' radio map | (reference) | (r) |
| RA | (B1950) | 22 52 34.526 |
| DEC | (B1950) | +12 57 33.50 |
| Optical position | (reference) | (r) |
| Type | 3 | |
| LAS | (arcsec) | 3.9 |
| Size | (kpc) | 25 |
| Scale | (kpc/arcsec) | 6.369 |
| Luminosity distance | (Mpc) | 3126 |
| 178-MHz luminosity | (W/Hz/sr) | 115 x 1025 |
| B magnitude | (mag) | -- |
| V magnitude | (mag) | 19.7 (r) (n) |
| R magnitude | (mag) | -- |
| r magnitude | (mag) | -- |
| Radio RA | (J2000) | 22 55 03.876 |
| Radio DEC | (J2000) | +13 13 34.23 |
| New IAU name | J2255+132 |