Registry · deep sky

HD 20121

** SIMBAD ** A8V+F3V 105 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: 03h 12m 25.75s
Declination: −44° 25′ 10.8″
Galactic l, b: 253.82, -56.96
Parallax: 23.53 mas
Redshift z: 5.671e-05
Radial velocity: 17 km/s
Proper motion: 81.63, -4.57 mas/yr

Also known as

45 identifiers

1RXS J031225.6-4425112EUVE J0312-44.42MASS J03122575-44251112RE J031222-4424482RE J0312-442CCDM J03124-4425ABCD-44 1025CPC 0 1521CPD-44 338CSI-44 1025 21CSI-44 1025 23EUVE J0312-44.4FK5 2228Gaia DR2 4850405974392311168Gaia DR3 4850405974392619648GC 3845GCRV 1777GEN# +1.00020121HD 20121HIC 14913HIP 14913** HJ 3556ABHR 968IDS 03089-4448 ABIRAS 03106-4436** JC 8N30 657PMSC 03089-4448PPM 307403RBS 395RE J031221-442455RE J0312-442ROT 433RX J0312.4-4425SAO 216209SKY# 4802TD1 2005TIC 152972531TIC 651045772UBV 3121UBV M 9404uvby98 100020121WDS J03124-4425ABWEB 2882AKARI-IRC-V1 J0312258-442511

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 20121A	HighPM*	0.1096″	6.42
HD 20121B	HighPM*	0.765″	7.36
HD 20121C	HighPM*	3.87″	8.76
CRTS J031219.9-442706	RRLyrae	129.8″	14.26
UCAC2 12823816	SB*	371.8″	11.73
GALEX J031239.8-443152	WhiteDwarf	429.6″	—

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-20121 · Registry entry updated 2026-08-14.