Registry · deep sky

W 3(H2O)

Maser SIMBAD Mas 154 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: 02h 27m 04.60s
Declination: +61° 52′ 25.0″
Galactic l, b: 133.95, 1.065

Also known as

1 identifiers

W 3(H2O)

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[WSW99] B	Radio	0.2″	—
[WSW99] C	Radio	0.6403″	—
Turner-Welch Object	YSO	0.8703″	—
[WSW99] A	Radio	0.8747″	—
W 3	MolCld	4.112″	—
W 3 OH	HIIReg	4.637″	—
GAL 133.947+01.064	HIIReg	4.95″	—
[HMW2016] G133.947+01.064	Maser	5.527″	—
BGPS G133.949+01.063	mmRad	6.284″	—
IRAS 02232+6138 Cluster	OpenCluster	31.51″	—
2MASS J02271157+6152513	YSO	55.84″	—

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-3-h2o · Registry entry updated 2026-08-14.