| Field | Units | Value |
|---|---|---|
| 3CRR name | 3C245 | |
| IAU name | 1040+123 | |
| Redshift | 1.029 (r) | |
| 178-MHz flux | (Jy) | 15.7 |
| Sp. index | 0.78 | |
| FR class | II (r) | |
| 5-GHz core flux | (mJy) | 910 (r) (n) |
| Old radio position | (reference) | (r) |
| `Best' radio map | (reference) | (r) |
| RA | (B1950) | 10 40 06.020 |
| DEC | (B1950) | +12 19 15.90 |
| Optical position | (reference) | (r) |
| Type | 3 | |
| LAS | (arcsec) | 5.4 |
| Size | (kpc) | 44 |
| Scale | (kpc/arcsec) | 8.061 |
| Luminosity distance | (Mpc) | 6845 |
| 178-MHz luminosity | (W/Hz/sr) | 600 x 1025 |
| B magnitude | (mag) | 17.70 (r) |
| V magnitude | (mag) | 17.25 (r) |
| R magnitude | (mag) | -- |
| r magnitude | (mag) | -- |
| Radio RA | (J2000) | 10 42 44.601 |
| Radio DEC | (J2000) | +12 03 31.09 |
| New IAU name | J1042+120 |