Registry · deep sky

GRB 990123

gammaBurst SIMBAD gB 1,014 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: 15h 25m 29.00s
Declination: +44° 45′ 00.0″
Galactic l, b: 73.092, 54.65
Magnitude V: 8.95
Redshift z: 1.6
Radial velocity: 2.2253e+05 km/s

Also known as

6 identifiers

AAVSO 1522+45GRB 990123SAX J1525.5+4446Trigger 7343XRF 990123[STK2001] 11201d

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
OT 19990123	Unknown	60.8″	—
[OBK99] J152529.3+444600	Galaxy	61.32″	—
SDSS J152543.96+444722.2	QSO	213.7″	—
LSPM J1525+4450	HighPM*	335.5″	11.25
SDSS J152520.54+443901.3	QSO	369.8″	—
SDSS J152458.88+444050.0	QSO	406.9″	—
SDSS J152532.64+445325.2	QSO	506.7″	—

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/grb-990123 · Registry entry updated 2026-08-14.