Registry · deep sky

* eta Per

Star SIMBAD * K3-Ib-IIa 229 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 50m 41.81s
Declination: +55° 53′ 43.8″
Galactic l, b: 139.14, -3.176
Magnitude V: 3.79
Parallax: 3.2657 mas
Redshift z: -5.951e-06
Radial velocity: -1.784 km/s
Proper motion: 16.35, -13.52 mas/yr

Also known as

42 identifiers

* 15 Per2MASS J02504180+5553437ADS 2157 AAG+55 299BD+55 714CCDM J02506+5553ACSI+55 714 1* eta PerFK5 99Gaia DR2 454491381980370304Gaia DR3 454491381981202944GC 3390GCRV 1584GEN# +1.00017506AGSC 03704-01332HD 17506HIC 13268HIP 13268HR 834IDS 02434+5529 AIRAS 02470+5541IRC +60099JP11 701N30 577PLX 573PLX 573.00PMC 90-93 71PPM 28039RAFGL 382ROT 379[S78b] 33ASAO 23655SKY# 4268** STF 307ATIC 251120869TYC 3704-1332-1UBV 2750WDS J02507+5554AWEB 2661YZ 55 2551[HFE83] 177Miram

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
* eta Per B	Star	28.38″	8.51
LS I +55 39	Star	68.15″	11.61
HD 17465	Star	240.4″	9.21
LEDA 2516652	Galaxy	253.2″	—
V* V671 Per	Mira	284.3″	—
2MASS J02494981+5554597	RGB*	443.8″	—

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/eta-per · Registry entry updated 2026-08-14.