Field | Units | Value |
---|---|---|
3CRR name | 3C457 | |
IAU name | 2309+184 | |
Redshift | 0.428 (r) | |
178-MHz flux | (Jy) | 14.3 |
Sp. index | 1.01 | |
FR class | II (r) | |
5-GHz core flux | (mJy) | 2.1 (r) |
Old radio position | (reference) | (r) |
`Best' radio map | (reference) | (r) |
RA | (B1950) | 23 09 38.530 |
DEC | (B1950) | +18 29 22.00 |
Optical position | (reference) | (r) |
Type | 1 | |
LAS | (arcsec) | 210 |
Size | (kpc) | 1170 |
Scale | (kpc/arcsec) | 5.59 |
Luminosity distance | (Mpc) | 2350 |
178-MHz luminosity | (W/Hz/sr) | 757 x 1024 |
B magnitude | (mag) | -- |
V magnitude | (mag) | 19.5 (r) (n) |
R magnitude | (mag) | -- |
r magnitude | (mag) | -- |
Radio RA | (J2000) | 23 12 07.588 |
Radio DEC | (J2000) | +18 45 41.76 |
New IAU name | J2312+187 |
See the image of this source in the 3CRR Atlas.