Registry · deep sky

Cl* Westerlund 1 W 53

BlueSG SIMBAD s*b OBIa+OBIa 12 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 00.39s
Declination: −45° 51′ 31.8″
Galactic l, b: 339.54, -0.401
Magnitude V: 18.51
Parallax: 0.1975 mas
Proper motion: -2.493, -3.74 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[CRN2020] W1028	Star	11.66″	20.76
Cl* Westerlund 1 CN I	WolfRayet*	12.46″	—
Cl* Westerlund 1 W 52	BlueSG	15.42″	17.88
Cl* Westerlund 1 W 57	BlueSG	17.26″	16.88
WR 77d	WolfRayet*	18.42″	—
Cl* Westerlund 1 W 21	BlueSG	19.78″	18.41
Cl* Westerlund 1 W 55	BlueSG	20.55″	18.03
Cl* Westerlund 1 W 56b	Star	21.24″	18.88
[CRN2020] W1023	Star	21.55″	—
Cl* Westerlund 1 W 59	LongPeriodV* Candidate	21.64″	18.97
Cl* Westerlund 1 W 61a	BlueSG	22.31″	17.51

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-53 · Registry entry updated 2026-08-14.