Registry · deep sky

Ass Cyg OB 2

Association SIMBAD As* 1,037 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: 20h 33m 12.00s
Declination: +41° 19′ 00.0″
Galactic l, b: 80.22, 0.7966
Redshift z: -9.339e-05
Radial velocity: -28 km/s
Proper motion: -1.6, -4.72 mas/yr

Also known as

7 identifiers

1E 2031.0+4050Ass Cyg OB 2[KPR2004b] 490[KPS2012] MWSC 3364[MWC53] VI CygVI CygVI Cygni

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
BD+40 4227A	SB*	35.96″	8.98
BD+40 4227B	Star	36.02″	10.7
2MASS J20331443+4119238	YSO Candidate	36.26″	15.67
Schulte 57	RSCVnV*	37.85″	—
Cl Bica 2	OpenCluster	38.29″	—
2MASS J20331538+4119128	Star	40.26″	15.89
ALS 15175	Star	42.32″	14.67
Schulte 58	Star	47.64″	15.7
Schulte 8D	SB*	48.89″	12.02
2MASS J20331137+4117585	Star	61.85″	14.38
Schulte 60	Star	64.57″	15.87

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/ass-cyg-ob-2 · Registry entry updated 2026-08-14.