Registry · deep sky

W 51 IRS 1

HIIReg SIMBAD HII 125 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: 19h 23m 41.90s
Declination: +14° 30′ 36.0″
Galactic l, b: 49.486, -0.3801

Also known as

6 identifiers

BBRW W51 (a)[M72b] G49.5e[M94] 49.5 -0.4 eW 51eW 51 IRS 1[WBN74] W 51 IRS 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[KJB2003] G49.480-0.386	HIIReg	4.255″	—
[CUS2014] G049.4908-0.3792	smmRad	9.748″	—
PKS J1923+1429	Radio	10.12″	—
[BDS2003] 151	Cluster*	15.97″	—
[ERG2015] 6897	smmRad	18.97″	—
W 51e5	HIIReg	20.74″	—
2MASS J19234318+1430500	YSO	23.33″	—
W 51e6	HIIReg	26.61″	—
W 51 Main	Region	27.61″	—
[SZH2010] W51e2-NW	Radio	28.61″	—
[SZH2010] W51e2-W	Radio	29.08″	—

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/w-51-irs-1 · Registry entry updated 2026-08-14.