Registry · deep sky

* alf Lac

HighPM* SIMBAD PM* A1V 273 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: 22h 31m 17.50s
Declination: +50° 16′ 57.0″
Galactic l, b: 101.26, -6.598
Magnitude V: 3.77
Parallax: 31.494 mas
Redshift z: -4.223e-05
Radial velocity: -12.66 km/s
Proper motion: 137.2, 17.54 mas/yr

Also known as

43 identifiers

2MASS J22311751+5016571* 7 LacADS 16021 AAG+50 1825* alf LacBD+49 3875CCDM J22313+5017ACEL 5482CSI+49 3875 1FK5 848Gaia DR2 1988193348339562880Gaia DR3 1988193348344678656GC 31471GCRV 14154GEN# +1.00213558GSC 03628-03193HD 213558HGAM 1070HIC 111169HIP 111169HR 8585IDS 22272+4946 AIRAS 22292+5001JP11 3504N30 4963NAME-IAU StellioPLX 5449PLX 5449.00PMC 90-93 595PPM 40777[R57] 1109ROT 3281SAO 34542SKY# 42852TD1 29152TIC 468816607TYC 3628-3193-1UBV 19265UBV M 26455uvby98 100213558WDS J22313+5017AWEB 19894AKARI-IRC-V1 J2231175+501657

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
UCAC4 702-107184	Star	201.1″	—
UCAC4 702-107010	Star	268.2″	—
2MASX J22314656+5017245	Galaxy	280″	—
GSC 03628-01556	Star	289.4″	12.16
HD 213531	PulsV*	316.6″	7.73
UCAC4 701-110173	Star	381.2″	—

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/alf-lac · Registry entry updated 2026-08-14.