Registry · deep sky

G 231-9

HighPM* SIMBAD PM* 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: 20h 40m 12.39s
Declination: +51° 18′ 54.8″
Galactic l, b: 88.955, 5.839
Parallax: 10.48 mas
Redshift z: -0.00035432
Radial velocity: -106.24 km/s
Proper motion: 241.7, 121.6 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
ATO J310.0486+51.3265	EclBin	41.36″	—
ZTF J204016.13+512257.8	EclBin	245.7″	—
ATO J310.1327+51.4313	EclBin	456.1″	14.91
ATO J309.8574+51.2476	EclBin	500.3″	—

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/g-231-9 · Registry entry updated 2026-08-14.