| Field | Units | Value |
|---|---|---|
| 3CRR name | 3C275.1 | |
| IAU name | 1241+166 | |
| Redshift | 0.557 (r) | |
| 178-MHz flux | (Jy) | 19.9 |
| Sp. index | 0.96 | |
| FR class | II (r) | |
| 5-GHz core flux | (mJy) | 130 (r) (n) |
| Old radio position | (reference) | (r) |
| `Best' radio map | (reference) | (r) |
| RA | (B1950) | 12 41 27.580 |
| DEC | (B1950) | +16 39 18.00 |
| Optical position | (reference) | (r) |
| Type | 3 | |
| LAS | (arcsec) | 15.5 |
| Size | (kpc) | 100 |
| Scale | (kpc/arcsec) | 6.45 |
| Luminosity distance | (Mpc) | 3230 |
| 178-MHz luminosity | (W/Hz/sr) | 194 x 1025 |
| B magnitude | (mag) | 19.23 (r) |
| V magnitude | (mag) | 19.00 (r) |
| R magnitude | (mag) | -- |
| r magnitude | (mag) | -- |
| Radio RA | (J2000) | 12 43 57.646 |
| Radio DEC | (J2000) | +16 22 53.19 |
| New IAU name | J1243+163 |