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Cl* Westerlund 1 W 37

Star SIMBAD * O9Ib 10 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 06.01s
Declination: −45° 50′ 47.5″
Galactic l, b: 339.56, -0.4055
Magnitude V: 19.11
Redshift z: -0.00015349
Radial velocity: -46.02 km/s
Proper motion: 0.043, -3.117 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 17	BlueSG	3.077″	18.87
Cl* Westerlund 1 W 18	BlueSG	4.363″	17.61
Cl* Westerlund 1 W 16	Supergiant	8.241″	16.25
WR 77s	WolfRayet*	10.08″	19.81
Cl* Westerlund 1 W 27	BlueSG	10.81″	17.94
Cl* Westerlund 1 W 36	BlueSG	12.37″	18.89
2MASS J16470540-4550367	RedSG	12.56″	16.79
Cl* Westerlund 1 W 25	BlueSG	14.3″	17.85
2MASS J16470625-4551042	BlueSG	16.68″	20.5
Cl* Westerlund 1 W 28	BlueSG	16.69″	17.15
Cl* Westerlund 1 W 19	BlueSG	16.81″	18.78

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-37 · Registry entry updated 2026-08-14.