| Field | Units | Value |
|---|---|---|
| 3CRR name | 3C280 | |
| IAU name | 1254+476 | |
| Redshift | 0.996 (r) | |
| 178-MHz flux | (Jy) | 25.8 |
| Sp. index | 0.81 | |
| FR class | II (r) | |
| 5-GHz core flux | (mJy) | 1.0 (r) |
| Old radio position | (reference) | (r) |
| `Best' radio map | (reference) | (r) |
| RA | (B1950) | 12 54 41.660 |
| DEC | (B1950) | +47 36 32.70 |
| Optical position | (reference) | (r) |
| Type | 1 | |
| LAS | (arcsec) | 13.7 |
| Size | (kpc) | 110 |
| Scale | (kpc/arcsec) | 8.00 |
| Luminosity distance | (Mpc) | 6570 |
| 178-MHz luminosity | (W/Hz/sr) | 931 x 1025 |
| B magnitude | (mag) | -- |
| V magnitude | (mag) | 22 (r) (n) |
| R magnitude | (mag) | -- |
| r magnitude | (mag) | 21.50 (r) |
| Radio RA | (J2000) | 12 56 57.701 |
| Radio DEC | (J2000) | +47 20 19.66 |
| New IAU name | J1256+473 |