Registry · deep sky

SDSS J120240.25+443154.4

QSO SIMBAD QSO 6 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: 12h 02m 40.25s
Declination: +44° 31′ 54.4″
Galactic l, b: 149.1, 70.04
Redshift z: 1.01
Radial velocity: 1.8083e+05 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
BD+45 1986	Star	186.2″	11.1
LINEAR 2941388	EclBin	233.9″	—
LEDA 2247108	EmissionG	235.6″	—
SN 1983I	Supernova	313.8″	—
NGC 4051	Seyfert1	313.9″	12.92
SN 2010br	Supernova	328.4″	—
SDSS J120216.45+443600.9	QSO	354.2″	—
SDSS J120251.46+442601.5	QSO	372.7″	—
SN 2003ie	Supernova	405.7″	15.2
XMMXCS J120313.7+442717.8	ClG	452.3″	—

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/sdss-j120240-25-443154-4 · Registry entry updated 2026-08-14.