Registry · deep sky

Cl* Westerlund 1 W 373

BlueSG SIMBAD s*b B0Iab 13 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 46m 57.73s
Declination: −45° 53′ 20.0″
Galactic l, b: 339.51, -0.4146
Parallax: 0.1715 mas
Redshift z: -0.00015773
Radial velocity: -47.29 km/s
Proper motion: -2.502, -3.797 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 151018	Star	17.74″	9.37
Cl* Westerlund 1 W 228b	Star	19.41″	—
[CRN2020] W1016	Star	33.34″	—
2MASS J16465443-4553300	Star	35.78″	—
[RCN2009] W3005	BlueSG	46.78″	—
[CRN2020] W1013	**	49.18″	—
2MASS J16465341-4553000	Be*	49.27″	18.06
[CRN2020] W1020	**	53.41″	18.45
Cl* Westerlund 1 W 232	BlueSG	59.31″	17.53
Cl* Westerlund 1 W 234	Star	59.44″	—
2MASS J16465789-4552185	Star	61.57″	—

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-373 · Registry entry updated 2026-08-14.