UPSA Object Registry
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3C 256

RadioG SIMBAD rG 123 papers
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
11h 20m 43.02s
Declination
+23° 27′ 55.2″
Galactic l, b
218.03, 69.2
Redshift z
1.819
Radial velocity
2.3278e+05 km/s

Also known as

29 identifiers

3C 2563C 256.03CR 2564C 23.277C 111803.9+2344187C 1118+234487GB 111803.3+234412B2.4 1118+23BWE 1118+2344Cul 1118+237FIRST J112043.0+232755GB6 B1118+2344GLEAM J112042+232753[HB91] 1118+237MITG J112042+2327NRAO 371NVSS J112043+232755OHIO M 230PKS 1118+23PKS 1118+237PKS J1120+2327S3 1118+23SDSS J112043.02+232755.2TGSSADR J112043.0+232754TXS 1118+237UT 1118+237VRO 23.11.01WB 1118+2344[GW2008] CoNFIG 97

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
2MASS J11204171+2327519 Seyfert2 18.18″
ClG J1120+2326 ClG 217.8″
SDSS J112105.01+232906.3 QSO 310.8″
SDSS J112104.41+232329.8 QSO 396.4″
[MYF99] J1120+2323 a EmissionG 406.6″
SDSS J112038.52+232105.6 QSO 414.2″
2MASS J11210847+2321515 QSO 505.4″ 18.85

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/3c-256 · Registry entry updated 2026-08-14.