UPSA Object Registry
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Cl* Westerlund 1 W 46a

BlueSG SIMBAD s*b B1Ia 18 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 03.91s
Declination
−45° 51′ 19.7″
Galactic l, b
339.55, -0.4066
Magnitude V
18.55
Parallax
0.1433 mas
Proper motion
-1.297, -4.132 mas/yr

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Cl* Westerlund 1 W 46b Star 3.194″ —
Cl* Westerlund 1 CN H WolfRayet* 3.522″ —
Cl* Westerlund 1 CN G WolfRayet* 5.38″ 20.87
Cl* Westerlund 1 W 20 RedSG 9.19″ —
[CRN2020] W1041 BlueSG 12.35″ —
WR 77k WolfRayet* 12.93″ 18.86
Cl* Westerlund 1 W 47 BlueSG 13.49″ 19.95
Cl* Westerlund 1 W 54 BlueSG 13.98″ —
Cl* Westerlund 1 W 48 Variable* 16.07″ —
Cl* Westerlund 1 CN C WolfRayet* 16.95″ —
Cl* Westerlund 1 W 23a BlueSG 17.68″ 18.32

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/cl-westerlund-1-w-46a · Registry entry updated 2026-08-14.