Registry · deep sky

ACO 2142

ClG SIMBAD ClG 830 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: 15h 58m 26.47s
Declination: +27° 13′ 52.0″
Galactic l, b: 44.234, 48.66
Redshift z: 0.0903
Radial velocity: 25,854 km/s
Angular size: 15.83′ × 15.83′

Also known as

44 identifiers

1ES 1556+27.31H 1556+2731RXS J155821.7+2713482A 1556+2742E 1556.2+27222E 35412MAXI J1558+2723A 1558+2763U 1555+274U 1556+27ACO 2142BAX 239.5672+27.2246ClG 1556.2+2722EXSS 1556.2+2722[F81] 334H 1556+274INTREF 665MCXC J1558.3+2713NSC J155821+271549PBC J1558.4+2713PLCKESZ G044.22+48.68PSZ1 G044.24+48.66PSZ2 G044.20+48.66PSZRX G044.23+48.68RBS 1543RX J1558.3+2713RXC J1558.3+2713RXGCC 625[S85] 400SRGA J155826.5+271352SWIFT J1558.4+2718XCLASS 3367XSS J15582+2716ZwCl 7740[AWK2020] 9[B2017] 2249[KMA2007] 239.58334+27.23341[KMA2007] 239.58334+27.23342[RRB2014] RM J155820.0+271400.3SDSS-C4-DR3 3005[SPD2011] 230[WHL2009] J155820.0+271400[WHL2012] J155820.0+271400[YSS2008] 6

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
LEDA 3495155	RadioG	24.87″	—
[OHF95] ACO 2142 214	GtowardsCl	25.43″	—
DES J155827.26+271300.3	GtowardsCl	52.66″	—
2MASX J15582542+2714450	GtowardsCl	54.78″	—
DES J155824.73+271231.9	GtowardsCl	83.33″	—
2MASX J15582002+2714000	BrightestCG	86.71″	—
DES J155823.15+271225.7	GtowardsCl	96.87″	—
DES J155822.62+271524.2	GtowardsCl	105.5″	—
2MASX J15581875+2714210	GtowardsCl	107.2″	—
DES J155826.31+271554.9	GtowardsCl	122.9″	—
2MASS J15581704+2713459	RGB*	125.9″	—

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-2142 · Registry entry updated 2026-08-14.