Registry · deep sky

4C 12.37

QSO SIMBAD QSO 449 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: 10h 42m 44.61s
Declination: +12° 03′ 31.3″
Galactic l, b: 233.12, 56.3
Magnitude V: 17.77
Redshift z: 1.0286
Radial velocity: 1.8258e+05 km/s
Proper motion: -0.022, -0.004 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
GSC 00842-00459	EmLine*	64.19″	12.59
[VV2000] J104236.1+120626	QSO	213.9″	19.41
SMDG J1042343+120903	LowSurfBrghtG	364.5″	16.5
GSC 00842-00929	EmLine*	432.6″	11.5
SDSS J104314.49+115910.1	QSO	510.3″	—

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/4c-12-37 · Registry entry updated 2026-08-14.