Registry · deep sky

Cl* Westerlund 1 W 74

BlueSG SIMBAD s*b O9.5Iab 17 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 07.08s
Declination: −45° 50′ 13.1″
Galactic l, b: 339.57, -0.4017
Parallax: 0.0612 mas
Redshift z: -0.00015309
Radial velocity: -45.9 km/s
Proper motion: -2.534, -4.097 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 13	WolfRayet*	14.53″	17.19
Cl* Westerlund 1 CN R	WolfRayet*	15.27″	—
Cl* Westerlund 1 W 15	Star	17.28″	18.96
[CRN2020] W1050	Star	18.08″	19.52
[CRN2020] W1046	**	19.67″	18.87
2MASS J16470892-4549585	RedSG	24.18″	16.7
Cl* Westerlund 1 W 25	BlueSG	24.35″	17.85
Cl* Westerlund 1 W 8b	BlueSG	26.08″	—
WR 77s	WolfRayet*	26.58″	19.81
Cl* Westerlund 1 W 8	YellowSG	26.67″	15.91
[CRN2020] W1044	Star	26.71″	20.28

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-74 · Registry entry updated 2026-08-14.