Registry · deep sky

Cl* Westerlund 1 W 10

BlueSG SIMBAD s*b O9.5/B0.5Iae 21 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 03.34s
Declination: −45° 50′ 34.6″
Galactic l, b: 339.55, -0.3973
Magnitude V: 18.52
Parallax: 0.1368 mas
Redshift z: -0.00019398
Radial velocity: -58.16 km/s
Proper motion: -1.989, -3.421 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 CN V	WolfRayet*	6.387″	—
Cl* Westerlund 1 W 31	BlueSG	7.41″	—
Cl* Westerlund 1 W 9	WolfRayet*	8.998″	17.47
Cl* Westerlund 1 W 30	**	9.268″	18.45
WR 77g	WolfRayet*	9.41″	19
Cl* Westerlund 1 BKS F	YellowSG	9.631″	15.05
Cl* Westerlund 1 W 6a	BlueSG	11.28″	18.41
Cl* Westerlund 1 W 29	BlueSG	12.4″	18.66
Cl* Westerlund 1 W 38	BlueSG	12.58″	19.1
Cl* Westerlund 1 W 6b	Star	12.83″	20.2
Cl* Westerlund 1 W 28	BlueSG	14.37″	17.15

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-10 · Registry entry updated 2026-08-14.