Registry · deep sky

Cl* Westerlund 1 W 19

BlueSG SIMBAD s*b B1Ia 19 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 04.87s
Declination: −45° 50′ 59.3″
Galactic l, b: 339.55, -0.4051
Magnitude V: 18.78
Proper motion: -2.499, -3.897 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[CRN2020] W1043	Star	3.172″	20.17
Cl* Westerlund 1 W 36	BlueSG	4.712″	18.89
Cl* Westerlund 1 CN C	WolfRayet*	6.415″	—
Cl* Westerlund 1 CN B	WolfRayet*	7.629″	20.99
Cl* Westerlund 1 W 35	BlueSG	8.904″	18.59
WR 77k	WolfRayet*	10.47″	18.86
[CRN2020] W1041	BlueSG	10.6″	—
Cl* Westerlund 1 W 43c	Star	11.62″	18.35
Cl* Westerlund 1 W 18	BlueSG	12.45″	17.61
Cl* Westerlund 1 W 34	BlueSG	13.05″	18.15
Cl* Westerlund 1 W 33	BlueSG	13.3″	15.61

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-19 · Registry entry updated 2026-08-14.