Registry · deep sky

ACO 2390

ClG SIMBAD ClG 736 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: 21h 53m 37.44s
Declination: +17° 41′ 46.0″
Galactic l, b: 73.963, -27.82
Redshift z: 0.2269
Radial velocity: 60,464 km/s
Angular size: 2′ × 2′

Also known as

24 identifiers

1RXS J215336.1+1741112E 2151.2+17272E 45372MAXI J2154+178ACO 2390ACT-CL J2153.6+1741BAX 328.3942+17.6697EXSS 2151.2+1727MCXC J2153.5+1741PBC J2153.7+1745PLCKESZ G073.96-27.82PSZ1 G073.98-27.83PSZ2 G073.97-27.82PSZRX G073.95-27.82RX J2153.5+1741RXC J2153.5+1741RXGCC 866XCLASS 201XMMXCS J215336.9+174146.4XMMXCS J215337.0+174146.9ZwCl 8587[B2017] 2652[RRB2014] RM J215336.8+174143.7[WHL2012] J215336.8+174144

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J215337.50+174142.6	GtowardsCl	3.441″	—
SDSS J215337.87+174151.9	GtowardsCl	8.518″	—
SMM J21536+1741	BrightestCG	9.044″	19.58
CNOC ACO 2390 101106	GtowardsCl	13.4″	—
SDSS J215337.72+174124.1	GtowardsCl	22.19″	—
SDSS J215338.34+174205.6	GtowardsCl	23.52″	—
SDSS J215337.56+174122.2	GtowardsCl	23.82″	—
SDSS J215335.19+174150.8	RadioG	32.57″	—
SMM J21536+1742	RadioG	33.01″	—
SDSS J215336.01+174212.6	GtowardsCl	33.57″	—
[PKL99] ACO 2390 H5b	LensedImage	37.2″	—

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/aco-2390 · Registry entry updated 2026-08-14.