Registry · deep sky

Cl* Westerlund 1 W 24

BlueSG SIMBAD s*b O9Iab 23 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 02.16s
Declination: −45° 51′ 12.6″
Galactic l, b: 339.54, -0.4015
Magnitude V: 18.71
Parallax: 0.212 mas
Redshift z: -0.00017057
Radial velocity: -51.14 km/s
Proper motion: -2.367, -3.63 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 23a	BlueSG	5.739″	18.32
Cl Westerlund 1	OpenCluster	6.136″	—
Cl* Westerlund 1 W 47	BlueSG	7.123″	19.95
Cl* Westerlund 1 W 21	BlueSG	10.95″	18.41
Cl* Westerlund 1 W 48	Variable*	12.77″	—
Cl* Westerlund 1 CN J	WolfRayet*	13.11″	—
Cl* Westerlund 1 W 12	YellowSG	13.61″	17.57
Cl* Westerlund 1 CN I	WolfRayet*	15.5″	—
[CRN2020] W1031	Star	16.64″	—
Cl* Westerlund 1 W 41	BlueSG	16.65″	17.87
Cl* Westerlund 1 W 46b	Star	16.9″	—

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-24 · Registry entry updated 2026-08-14.