Registry · deep sky

SDSS J123709.23+255721.8

QSO SIMBAD QSO 8 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 37m 09.23s
Declination: +25° 57′ 21.8″
Galactic l, b: 232.28, 86.6
Parallax: 0.0437 mas
Redshift z: 2.984
Radial velocity: 2.6426e+05 km/s
Proper motion: -1.823, -0.284 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Gaia DR3 3960551624686058880	WhiteDwarf	33.07″	—
QSO B1234+262	QSO	73.76″	19.63
SDSS J123700.28+255939.0	Seyfert	182.8″	—
2XMM J123713.5+255239	Seyfert2	287.3″	—
SDSS J123731.12+255713.9	QSO	295.3″	—
SDSSCGB 34318.1	Galaxy	306.4″	—
LEDA 1755309	Galaxy	322.9″	—
SDSS J123704.07+260306.6	QSO	351.8″	—
QSO B1235+262	QSO	360″	20.77
GALEX J123723.2+260238	WhiteDwarf	368″	—
RX J1236.9+2550	ClG	447.4″	—

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-j123709-23-255721-8 · Registry entry updated 2026-08-14.