Registry · deep sky

Cl* Westerlund 1 W 6b

Star SIMBAD * O9.5III 11 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 02.94s
Declination: −45° 50′ 22.5″
Galactic l, b: 339.56, -0.3942
Magnitude V: 20.2
Parallax: 0.1982 mas
Redshift z: -0.00019068
Radial velocity: -57.17 km/s
Proper motion: -2.992, -3.85 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 6a	BlueSG	1.702″	18.41
WR 77f	WolfRayet*	2.796″	17.79
[CRN2020] W1032	Star	8.395″	21.18
Cl* Westerlund 1 W 7	BlueSG	10.85″	15.97
Cl* Westerlund 1 W 10	BlueSG	12.83″	18.52
Cl* Westerlund 1 W 49	BlueSG	14.2″	18.76
Cl* Westerlund 1 W 9	WolfRayet*	15.36″	17.47
[CRN2020] W1037	Star	16.06″	19.62
Cl* Westerlund 1 CN V	WolfRayet*	18.61″	—
Cl* Westerlund 1 W 50b	Star	18.96″	19.66
Cl* Westerlund 1 W 8	YellowSG	19.57″	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-6b · Registry entry updated 2026-08-14.