Registry · deep sky

HD 203938

** SIMBAD ** B0.5IV 109 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 23m 50.17s
Declination: +47° 09′ 52.4″
Galactic l, b: 90.558, -2.234
Magnitude V: 7.08
Parallax: 0.7788 mas
Redshift z: -4.270e-05
Radial velocity: -12.8 km/s
Proper motion: 1.38, -8.109 mas/yr

Also known as

31 identifiers

2MASS J21235019+4709524** A 765ABADS 14944 ABAG+46 1827ALS 11839BD+46 3294CCDM J21238+4710ABCSI+46 3294 1Gaia DR2 1972509777052328064Gaia DR3 1972509777055312384GCRV 23242GEN# +1.00203938GSC 03594-01695HD 203938HIC 105640Hilt 1044HIP 105640IDS 21202+4644 ABLS III +46 57MCW 982PPM 61389ROT 3119SAO 50792SKY# 40763TD1 28062TIC 139258713UBV 18473UBV M 25687UCAC4 686-101182WDS J21238+4710ABWISE J212350.17+470952.4

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Gaia DR3 1972510498606818560	Star	235.1″	—
HD 204003	Star	270.6″	8.89
ZTF J212336.83+471414.7	BYDraV*	295.4″	—
ZTF J212428.31+470605.1	BYDraV*	450.8″	—
LS III +46 58	Star	527″	11.55
LSPM J2122+4712	HighPM*	539.5″	—

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/hd-203938 · Registry entry updated 2026-08-14.