Registry · deep sky

* 21 Ari

** SIMBAD ** F6V 147 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: 02h 15m 42.78s
Declination: +25° 02′ 35.0″
Galactic l, b: 146.07, -34.01
Magnitude V: 5.58
Parallax: 19.58 mas
Redshift z: -0.00015743
Radial velocity: -47.2 km/s
Proper motion: -89.72, -86.42 mas/yr
Angular size: 0.0033′

Also known as

38 identifiers

1RXS J021542.4+250245* 21 Ari2MASS J02154278+2502349AG+24 201BD+24 329CCDM J02157+2503AB** COU 79FK5 1059Gaia DR2 105851637969264000Gaia DR3 105851637969264000GC 2706GCRV 1242GEN# +1.00013872GSC 01769-01309HD 13872HIC 10535HIP 10535HR 657IDS 02101+2435 ABIRAS 02128+2448N30 460PMC 90-93 697PPM 91494RX J0215.7+2502SAO 75238SKY# 3327SRS 31059TD1 1310TIC 118295536TYC 1769-1309-1UBV M 8823UCAC4 576-004790uvby98 100013872WDS J02157+2503ABWEB 2211WISE J021542.69+250234.2YZ 24 681[ZEH2003] RX J0215.7+2502 2

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
AGC 122867	AGN Candidate	156″	—
LP 353-24	HighPM*	160.8″	17.24
PM J02158+2458	HighPM*	238.7″	12.38
V* R Ari	Mira	334.3″	7.4

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/21-ari · Registry entry updated 2026-08-14.