Registry · deep sky

ACO 2390 H1 Arc

LensedG SIMBAD LeG 17 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 34.00s
Declination: +17° 41′ 59.0″
Galactic l, b: 73.955, -27.8
Magnitude V: 21.5
Redshift z: 0.9128
Radial velocity: 1.7109e+05 km/s

Also known as

5 identifiers

ACO 2390 H1 ArcACO 2390 Straight Arc[LPC98] 2[PKL99] ACO 2390 H1[PLS91] Arc

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[PKL99] ACO 2390 H3a	LensedImage	4″	—
CNOC ACO 2390 101190	GtowardsCl	5.803″	—
ACO 2390 Cusp Arc	LensedImage	5.859″	—
[CBK2002] 14	LensedG	8.139″	—
[PLS91] A	LensedG	8.139″	—
SDSS J215334.58+174157.0	GtowardsCl	8.643″	—
CXOU J215333.2+174209	QSO	15.19″	25.25
SDSS J215333.15+174148.4	GtowardsCl	15.99″	—
SDSS J215334.57+174213.6	GtowardsCl	16.8″	—
SDSS J215335.19+174150.8	RadioG	18.83″	—
[BM2000] 0563.1+0236.0	LensedG	22.88″	22.4

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-h1-arc · Registry entry updated 2026-08-14.