Registry · deep sky

[CRN2020] W1057

BlueSG SIMBAD s*b O9.5-B0Iab 5 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 08.67s
Declination: −45° 50′ 47.1″
Galactic l, b: 339.56, -0.4113
Magnitude V: 19.39
Redshift z: -0.00013819
Radial velocity: -41.43 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* Westerlund 1 W 71	BlueSG	3.146″	17.53
WR 77sc	WolfRayet*	3.708″	19.69
[CRN2020] W1060	Star	5.462″	20.09
Cl* Westerlund 1 W 70	BlueSG	7.887″	16.88
[CRN2020] W1061	Star	13.29″	20.91
2MASS J16470870-4551016	LongPeriodV* Candidate	14.59″	20.54
[CRN2020] W1062	**	20.62″	20.03
Cl* Westerlund 1 W 16	Supergiant	22.02″	16.25
WR 77s	WolfRayet*	23.63″	19.81
Cl* Westerlund 1 W 17	BlueSG	25.39″	18.87
Cl* Westerlund 1 W 15	Star	27.5″	18.96

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/crn2020-w1057 · Registry entry updated 2026-08-14.