Registry · deep sky

SMM J21536+1742

RadioG SIMBAD rG 8 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 38.35s
Declination: +17° 42′ 16.3″
Galactic l, b: 73.973, -27.81
Redshift z: 0.23
Radial velocity: 61,190 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J215338.34+174205.6	GtowardsCl	10.69″	—
SDSS J215337.87+174151.9	GtowardsCl	25.39″	—
CNOC ACO 2390 101106	GtowardsCl	28.52″	—
ACO 2390	ClG	33.01″	—
SDSS J215336.01+174212.6	GtowardsCl	33.65″	—
SDSS J215337.50+174142.6	GtowardsCl	35.78″	—
SDSS J215340.88+174211.1	GtowardsCl	36.57″	—
SMM J21536+1741	BrightestCG	39.18″	19.58
SDSS J215335.19+174150.8	RadioG	51.91″	—
SDSS J215337.72+174124.1	GtowardsCl	52.93″	—
SDSS J215334.57+174213.6	GtowardsCl	54.06″	—

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/smm-j21536-1742 · Registry entry updated 2026-08-14.