Registry · deep sky

NGC 1023A

GtowardsGroup SIMBAD GiG 52 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 40m 37.06s
Declination: +39° 03′ 33.5″
Galactic l, b: 145.07, -19.07
Redshift z: 0.0024815
Radial velocity: 743 km/s
Angular size: 1.3′ × 0.6′

Also known as

9 identifiers

2MASXI J0240377+390326LCSB L132LEDA 10139[M98c] 023729.4+385039NGC 1023A[CGB2020] dw0240+3903[CGG2021] dw0240p3903[TT2002] NGC 1023 4[TT2009] 15

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[FAB2017] NGC1023 UCD2	Galaxy	126.7″	19.16
NGC 1023	AGN Candidate	152.6″	9.35
[BL2002] N1023-FF-12	GlobCluster	185.9″	22.99
[BL2002] N1023-FF-14	GlobCluster	213.5″	23.23
[BL2002] N1023-FF-18	GlobCluster	241.3″	22.68
BD+38 536	**	262″	9.12
NGC 1023B	AGN Candidate	271.1″	—
HD 16535	EmLine*	323.4″	9.06
[CJH91] NGC 1023 o	WhiteDwarf	356.4″	—
TYC 2845-762-1	Star	359″	11.49

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/ngc-1023a · Registry entry updated 2026-08-14.