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Cl* Westerlund 1 W 15

Star SIMBAD * O9Ib 30 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 06.63s
Declination: −45° 50′ 29.7″
Galactic l, b: 339.56, -0.4037
Magnitude V: 18.96
Parallax: 0.1109 mas
Redshift z: -0.00014946
Radial velocity: -44.81 km/s
Proper motion: -2.374, -3.934 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 13	WolfRayet*	4.091″	17.19
WR 77s	WolfRayet*	9.39″	19.81
Cl* Westerlund 1 W 25	BlueSG	9.527″	17.85
Cl* Westerlund 1 CN R	WolfRayet*	9.566″	—
Cl* Westerlund 1 W 16	Supergiant	12.46″	16.25
2MASS J16470540-4550367	RedSG	14.52″	16.79
Cl* Westerlund 1 W 74	BlueSG	17.28″	—
Cl* Westerlund 1 W 8b	BlueSG	17.82″	—
Cl* Westerlund 1 W 37	Star	18.9″	19.11
Cl* Westerlund 1 W 27	BlueSG	19.35″	17.94
Cl* Westerlund 1 W 8	YellowSG	19.74″	15.91

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-15 · Registry entry updated 2026-08-14.