Registry · deep sky

3C 20

Seyfert2 SIMBAD Sy2 222 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: 00h 43m 09.18s
Declination: +52° 03′ 36.1″
Galactic l, b: 121.64, -10.79
Redshift z: 0.174
Radial velocity: 47,683 km/s

Also known as

39 identifiers

1Jy 0040+511Jy 0040+5172MASS J00430919+52033623C 203C 20.03CR 204C 51.0287GB 004020.4+514714BP 3BWE 0040+5147CTB 6DA 22DB 3Gaia DR3 415410993516523136GB6 B0040+5147GRA B0039+51LEDA 2817481MY 004020.8+520337.0NRAO 36NVSS J004308+520334OHIO B 567PSO J010.7882+52.0600QSO B0040+517S4 0040+51S4 0040+517TGSSADR J004308.7+520334TXS 0040+517WB 0040+5147WISE J004309.18+520336.1WISEA J004309.18+520336.1WK 24WN B0040.3+5147WN B0040.3+5147B[HSN2016] J010.78+52.05[VV2000c] J004309.6+520335[VV2003c] J004309.6+520335[VV2006c] J004309.6+520335[VV2010c] J004309.6+520335[VV98c] J004309.6+520335

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
ATO J010.9051+52.0481	EclBin	262.4″	15.34
GB6 J0043+5203	Radio	277.1″	—

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/3c-20 · Registry entry updated 2026-08-14.