Registry · deep sky

Cl* Westerlund 1 W 43b

BlueSG SIMBAD s*b B1Ia 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 03.53s
Declination: −45° 50′ 56.5″
Galactic l, b: 339.55, -0.4016
Proper motion: -3.64, -4.446 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 43	**	1.127″	—
Cl* Westerlund 1 W 43a	BlueSG	1.241″	18.05
Cl* Westerlund 1 W 43c	Star	3.082″	18.35
Cl* Westerlund 1 W 42	BlueSG	5.199″	—
Cl* Westerlund 1 W 35	BlueSG	7.586″	18.59
Cl* Westerlund 1 W 41	BlueSG	8.547″	17.87
Cl* Westerlund 1 W 33	BlueSG	10.18″	15.61
Cl* Westerlund 1 W 40a	LongPeriodV* Candidate	10.75″	18.05
[CRN2020] W1043	Star	11.22″	20.17
Cl* Westerlund 1 CN J	WolfRayet*	11.52″	—
Cl* Westerlund 1 CN C	WolfRayet*	11.65″	—

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-43b · Registry entry updated 2026-08-14.