UPSA
Object Registry
| Object | Type | Separation | V |
|---|---|---|---|
| Cl* Westerlund 1 W 40a | LongPeriodV* Candidate | 5.632″ | 18.05 |
| Cl* Westerlund 1 W 38 | BlueSG | 6.601″ | 19.1 |
| [CRN2020] W1031 | Star | 10.08″ | — |
| WR 77g | WolfRayet* | 10.1″ | 19 |
| Cl* Westerlund 1 W 41 | BlueSG | 10.96″ | 17.87 |
| Cl* Westerlund 1 W 42 | BlueSG | 11.71″ | — |
| Cl* Westerlund 1 W 12 | YellowSG | 11.8″ | 17.57 |
| Cl* Westerlund 1 CN J | WolfRayet* | 12.95″ | — |
| Cl* Westerlund 1 BKS H | YellowSG | 13.07″ | 14.47 |
| Cl* Westerlund 1 BKS F | YellowSG | 15.54″ | 15.05 |
| Cl* Westerlund 1 W 49 | BlueSG | 15.92″ | 18.76 |
| 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-11 · Registry entry updated 2026-08-14.