Registry · deep sky

3C 75A

RadioG SIMBAD rG 66 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: 02h 57m 41.56s
Declination: +06° 01′ 36.9″
Galactic l, b: 170.26, -44.93
Redshift z: 0.023048
Radial velocity: 6,830 km/s
Angular size: 1.027′ × 0.595′

Also known as

29 identifiers

2MASX J02574155+06013712XMMi J025741.5+0601343C 75N[BO85] ACO 400 4[D80] ACO 400 42EQ 0255+058 AGaia DR3 7097351853004672GALEX J025741.5+060136GIN 171JVAS J0257+0601KPG 84bLEDA 11188[LO95] 0255+058A[S96b] ACO 400 7SDSS J025741.56+060136.8UZC J025741.6+0601373C 75A[BGH92] 0255+0549A[BGH92] 47[CAE99] ACO 400 a[CHM2007] HDC 192 J025741.55+0601371[CHM2007] LDC 210 J025741.55+0601371[HHL82] A400 217[HVG99b] 02550+0550N[LPS2014] 044.4230+06.0267[OLK95] 0255+059N[PCD91] 025502.99+054937.0[PCD91] 0255+058 1[WCB96] ACO 400 L

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
3C 75	PairG	8.96″	—
3C 75B	BrightestCG	16.22″	—
[CCR2009] J025744.50+060202.2	Galaxy	50.62″	—
ACO 400	ClG	80.91″	—
2MASX J02574741+0601395	GtowardsCl	87.37″	—
2MASX J02573746+0602491	GtowardsCl	95.07″	—
2MASX J02575062+0603075	GtowardsCl	163.3″	—
LEDA 11196	GtowardsCl	173.4″	—
2MASX J02574558+0558312	GtowardsCl	195.3″	—
ATLAS 16dpb	Supernova	208.6″	—
Z 415-40	GtowardsGroup	214.9″	—

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/3c-75a · Registry entry updated 2026-08-14.