Registry · deep sky

BD+42 4186

Star SIMBAD * F0 10 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: 21h 42m 20.24s
Declination: +43° 34′ 03.3″
Galactic l, b: 90.495, -7.08
Magnitude V: 9.75
Parallax: 2.3074 mas
Redshift z: -3.336e-06
Radial velocity: -1 km/s
Proper motion: -6.163, -1.315 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
2MASS J21420998+4331498	RGB*	174″	—
2MASS J21423008+4331176	HorBranch*	197.3″	—
2MASS J21422552+4337404	HorBranch*	224.6″	—
2MASS J21420560+4330488	RGB*	251.3″	—
V* SS Cyg	CataclyV*	254.1″	12.03
2MASS J21423029+4338116	RGB*	271.3″	—
2MASX J21423859+4330562	GtowardsGroup	274.2″	—
UCAC4 668-104349	Star	346.3″	14.85
2MASS J21423499+4340182	RGB*	407.7″	—
2MASS J21423613+4341044	RGB*	455.1″	—
2MASS J21423036+4326410	RGB*	455.8″	—

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-42-4186 · Registry entry updated 2026-08-14.