Registry · deep sky

Cl* Westerlund 1 W 54

BlueSG SIMBAD s*b B0.5Iab 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: 16h 47m 03.06s
Declination: −45° 51′ 30.5″
Galactic l, b: 339.54, -0.4067

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 48	Variable*	8.375″	—
Cl* Westerlund 1 W 62a	LongPeriodV* Candidate	9.423″	—
Cl* Westerlund 1 CN G	WolfRayet*	11.38″	20.87
WR 77i	WolfRayet*	11.85″	19.79
Cl* Westerlund 1 W 46b	Star	11.97″	—
Cl* Westerlund 1 W 61b	BlueSG	12.48″	18.59
Cl* Westerlund 1 W 52	BlueSG	12.74″	17.88
Cl* Westerlund 1 W 47	BlueSG	13.63″	19.95
Cl* Westerlund 1 W 61a	BlueSG	13.79″	17.51
Cl* Westerlund 1 W 46a	BlueSG	13.98″	18.55
Cl* Westerlund 1 CN H	WolfRayet*	16.13″	—

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/cl-westerlund-1-w-54 · Registry entry updated 2026-08-14.