Registry · deep sky

ACO 520

ClG SIMBAD ClG 468 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: 04h 54m 10.10s
Declination: +02° 55′ 37.9″
Galactic l, b: 195.8, -24.33
Redshift z: 0.2011
Radial velocity: 54,327 km/s
Angular size: 5.5′ × 5.5′

Also known as

21 identifiers

1E 0451.5+02502E 0451.5+02502E 1169ACO 520ACT-CL J0454.1+0255BAX 073.5791+02.9469ClG 0451+02ClG 0451.5+0250ClG 0451.7+0253EXSS 0451.5+0250[F81] 106MCXC J0454.1+0255PLCKESZ G195.77-24.30PSZ1 G195.78-24.29PSZ2 G195.75-24.32PSZRX G195.80-24.34RXC J0454.1+0255RXGCC 185XCLASS 23367ZwCl 1019ZwCl 394-10

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[JMH2012] P3	ClG	14.71″	—
[JMH2012] P5	ClG	96.92″	—
[JMH2012] P2	ClG	117.3″	—
[JMH2012] P4	ClG	137.6″	—
LEDA 1240180	GtowardsCl	156.9″	—
NVSS J045401+025745	RadioG	184.9″	—
2MASX J04541993+0257453	BrightestCG	193.8″	—
[JMH2012] P1	ClG	200″	—

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-520 · Registry entry updated 2026-08-14.