Registry · deep sky

ACO 401

ClG SIMBAD ClG 596 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 58m 50.26s
Declination: +13° 34′ 06.6″
Galactic l, b: 164.16, -38.9
Redshift z: 0.0731
Radial velocity: 21,116 km/s
Angular size: 30.5′ × 30.5′

Also known as

27 identifiers

1ES 0256+13.31RXS J025858.2+1334492E 0256.2+13222E 6872MAXI J0258+135ACO 401ACT-CL J0258.9+1334BAX 044.7373+13.5823ClG 0256.2+1323EXSS 0256.2+1323[F81] 76FR 26MCXC J0258.9+1334PBC J0258.9+1335PLCKESZ G164.18-38.89PSZ1 G164.20-38.90PSZ2 G164.18-38.88PSZRX G164.20-38.87RBS 376RX J0258.9+1334RXC J0258.9+1334RXGCC 126SRGA J025850.3+133406SWIFT J0259.0+1334SWXCS J025903+1335.9ZwCl 440-5ZwCl 801

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
MCG+02-08-044	BrightestCG	121.5″	—
HD 18495	HighPM*	146″	7.27
MCG+02-08-043	GtowardsCl	172.8″	—
LEDA 11266	GtowardsCl	173″	—
2MASX J02585219+1337293	GtowardsCl	204.2″	—
LEDA 94400	GtowardsCl	237.9″	—
2MASX J02590781+1335107	GtowardsCl	263.6″	—
LEDA 11256	GtowardsCl	266.2″	16.5
2MASX J02585500+1338243	GtowardsCl	267″	—
2MASX J02585589+1339523	GtowardsCl	355.2″	—
2MASX J02591542+1332127	GtowardsCl	384.8″	—

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/aco-401 · Registry entry updated 2026-08-14.