Registry · deep sky

IC 3998

Galaxy SIMBAD G 98 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: 12h 59m 46.78s
Declination: +27° 58′ 25.9″
Galactic l, b: 57.988, 87.97
Magnitude V: 14.61
Redshift z: 0.03142
Radial velocity: 9,271.6 km/s
Angular size: 0.589′ × 0.4357′

Also known as

25 identifiers

2MASX J12594681+2758252AGC 221334[AO95] 1257+281[BO85] Coma 84CAIRNS J125946.80+275826.0[D80] ACO 1656 152Gaia DR3 1460808988296976256GMP 3170GP 442IC 3998[KK90] 179LEDA 44664MPMM 106NFP J125946.8+275826SDSS J125946.77+275825.8SDSS J125946.78+275825.8Z 1257.4+2815Z 160-236Z 160-A27[CRS93] 59[DFO95] 252[EDG2007] 43[FBH2004] X265[HVH2010] Comai J125946.775+275825.88[OSR2002] a035

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
GMP 3141	Galaxy	31.5″	20.17
GMP 3193	LowSurfBrghtG	32.63″	20.57
[CTM2010] 196790	Galaxy	37.54″	—
SDSS J125948.57+275857.7	AGN Candidate	39.73″	17.69
SDSS J125943.95+275802.0	Galaxy	44.49″	21.06
LEDA 126781	Galaxy	65.02″	17.43
LEDA 44652	Galaxy	65.19″	15.65
[CTM2010] 195614	Galaxy	68.75″	—
GMP 3142	Galaxy	73.89″	19.41
LEDA 44656	Galaxy	85.18″	15.15
LEDA 44651	EmissionG	88.55″	16.02

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/ic-3998 · Registry entry updated 2026-08-14.