UPSA Object Registry
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Cl* Westerlund 1 W 40a

LongPeriodV* Candidate SIMBAD LP? 7 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 02.68s
Declination
−45° 50′ 50.5″
Galactic l, b
339.55, -0.3986
Magnitude V
18.05
Parallax
0.0794 mas
Proper motion
-2.426, -3.553 mas/yr

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Cl* Westerlund 1 W 38 BlueSG 4.763″ 19.1
Cl* Westerlund 1 W 11 BlueSG 5.632″ 17.51
Cl* Westerlund 1 W 42 BlueSG 6.261″ —
Cl* Westerlund 1 W 41 BlueSG 6.493″ 17.87
WR 77g WolfRayet* 8.325″ 19
Cl* Westerlund 1 CN J WolfRayet* 9.644″ —
Cl* Westerlund 1 W 12 YellowSG 9.734″ 17.57
[CRN2020] W1031 Star 10.6″ —
Cl* Westerlund 1 W 43b BlueSG 10.75″ —
Cl* Westerlund 1 W 43 ** 11.66″ —
Cl* Westerlund 1 W 43a BlueSG 11.71″ 18.05

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-40a · Registry entry updated 2026-08-14.