| Field | Units | Value |
|---|---|---|
| 3CRR name | 3C123 | |
| IAU name | 0433+295 | |
| Redshift | 0.2177 (r) | |
| 178-MHz flux | (Jy) | 206.0 |
| Sp. index | 0.70 | |
| FR class | II (r) | |
| 5-GHz core flux | (mJy) | 100 (r) |
| Old radio position | (reference) | (r) |
| `Best' radio map | (reference) | (r) |
| RA | (B1950) | 04 33 55.210 |
| DEC | (B1950) | +29 34 12.60 |
| Optical position | (reference) | (r) |
| Type | 0 | |
| LAS | (arcsec) | 37.8 |
| Size | (kpc) | 133 |
| Scale | (kpc/arcsec) | 3.524 |
| Luminosity distance | (Mpc) | 1078 |
| 178-MHz luminosity | (W/Hz/sr) | 2148 x 1024 |
| B magnitude | (mag) | -- |
| V magnitude | (mag) | 19.87 (r) |
| R magnitude | (mag) | 18.94 (r) |
| r magnitude | (mag) | -- |
| Radio RA | (J2000) | 04 37 04.375 |
| Radio DEC | (J2000) | +29 40 13.86 |
| New IAU name | J0437+296 |
See the image of this source in the 3CRR Atlas.