Registry · deep sky

Cl* Westerlund 1 W 47

BlueSG SIMBAD s*b O9.5Iab 8 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 02.64s
Declination: −45° 51′ 17.6″
Galactic l, b: 339.54, -0.4034
Magnitude V: 19.95
Redshift z: -0.00019372
Radial velocity: -58.08 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 24	BlueSG	7.123″	18.71
Cl* Westerlund 1 W 48	Variable*	7.591″	—
Cl* Westerlund 1 W 23a	BlueSG	8.722″	18.32
Cl* Westerlund 1 W 46b	Star	10.41″	—
Cl Westerlund 1	OpenCluster	10.89″	—
Cl* Westerlund 1 W 46a	BlueSG	13.49″	18.55
Cl* Westerlund 1 W 54	BlueSG	13.63″	—
Cl* Westerlund 1 W 52	BlueSG	14.46″	17.88
Cl* Westerlund 1 CN G	WolfRayet*	16.17″	20.87
Cl* Westerlund 1 W 21	BlueSG	16.46″	18.41
Cl* Westerlund 1 CN H	WolfRayet*	17.01″	—

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-47 · Registry entry updated 2026-08-14.