Registry · deep sky

BD+40 4227B

Star SIMBAD * O6II(f) 83 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 14.76s
Declination: +41° 18′ 41.8″
Galactic l, b: 80.221, 0.7867
Magnitude V: 10.7
Parallax: 0.6044 mas
Redshift z: -3.769e-05
Radial velocity: -11.3 km/s
Proper motion: -2.524, -4.484 mas/yr

Also known as

27 identifiers

2MASS J20331476+4118416ADS 14000 BALS 15097BD+40 4227BCCDM J20332+4119BCGO 607CSI+40 4227 2CXOCyg J203314.76+411841.4Gaia DR2 2067784619950644480Gaia DR3 2067784619950644480GEN# +9.00030031GOS G080.22+00.79 02** HJ 1539BIDS 20297+4053 BJP11 5826MCW 931[MM53] Cyg OB2 8B[MT91] 462Schulte 8BTIC 17450196TYC 3161-1456-1UBV M 51959WDS J20333+4119B[AFM2007] 562Cyg OB2 8B[R2011] IDOM 124VI Cyg 8B

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl Bica 2	OpenCluster	2.759″	—
BD+40 4227A	SB*	9.453″	8.98
Schulte 8D	SB*	26.88″	12.02
2MASS J20331538+4119128	Star	31.87″	15.89
Ass Cyg OB 2	Association	36.02″	—
Schulte 8C	Variable*	37.85″	10.19
2MASS J20331443+4119238	YSO Candidate	42.21″	15.67
ALS 15175	Star	51.59″	14.67
2MASS J20331137+4117585	Star	57.61″	14.38
CXOCyg J203319.58+411906.4	Star	59.85″	15.49
CXOCyg J203320.39+411840.8	Star	63.63″	15.16

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/bd-40-4227b · Registry entry updated 2026-08-14.