Registry · deep sky

Cl* Westerlund 1 W 52

BlueSG SIMBAD s*b B1.5Ia 14 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 01.84s
Declination: −45° 51′ 29.4″
Galactic l, b: 339.54, -0.4038
Magnitude V: 17.88
Parallax: 0.2689 mas
Redshift z: -0.00014569
Radial velocity: -43.68 km/s
Proper motion: -2.14, -3.873 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 48	Variable*	7.829″	—
[CRN2020] W1028	Star	10.3″	20.76
Cl* Westerlund 1 W 62a	LongPeriodV* Candidate	11.14″	—
Cl* Westerlund 1 W 54	BlueSG	12.74″	—
Cl* Westerlund 1 W 61a	BlueSG	13.22″	17.51
Cl* Westerlund 1 CN I	WolfRayet*	13.44″	—
Cl* Westerlund 1 W 47	BlueSG	14.46″	19.95
Cl* Westerlund 1 W 61b	BlueSG	14.54″	18.59
Cl* Westerlund 1 W 53	BlueSG	15.42″	18.51
WR 77d	WolfRayet*	16.02″	—
Cl* Westerlund 1 W 57	BlueSG	17.14″	16.88

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-52 · Registry entry updated 2026-08-14.