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2MASX J12571076+2724177

Seyfert2 SIMBAD Sy2 69 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: 12h 57m 10.75s
Declination: +27° 24′ 17.8″
Galactic l, b: 45.496, 88.69
Redshift z: 0.02068
Radial velocity: 6,135.6 km/s
Proper motion: 1.309, -0.71 mas/yr
Angular size: 0.5299′ × 0.4474′

Also known as

32 identifiers

2CXO J125710.7+2724172MASX J12571076+27241772XMM J125710.7+272417AGC 221162CAIRNS J125710.93+272416.3[D80] ACO 1656 16DELS 8000483712000555ECO 6662FOCA 0728-829Gaia DR2 1460675157115112448Gaia DR3 1460675157115112448GMP 5038GP 913LEDA 83677MaNGA 11939-6103MaNGA 1-456366NGP9 F323-1097973RX J125710.8+272426SDSS J125710.75+272417.6WISEA J125710.75+272417.6[CNM2001] 250[CRS93] SW 69[FBH2004] X515[HHM2010] 194.29483+27.40490[HVH2010] Comai J125710.767+272417.44[MHR2010] 194.2948+27.4049[OSR2002] c139[VV2000c] J125710.6+272418[VV2003c] J125710.6+272418[VV2006c] J125710.6+272418[VV2010c] J125710.6+272418[ZEH2003] RX J1257.1+2724 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J125713.23+272437.1	Galaxy	38.21″	18.45
SDSS J125712.27+272313.0	Galaxy	67.86″	18.79
SDSS J125707.13+272259.2	QSO	92.22″	—
[HHM2010] 194.26116+27.41262	GtowardsCl	111.1″	19.28
2MASX J12570166+2722198	GtowardsCl	169″	—
SDSS J125700.79+272622.6	QSO	182.2″	—
SDSS J125712.76+272726.7	LowSurfBrghtG	190.9″	19.54
Mrk 55	LINER	193″	—
2MASX J12572600+2724188	EmissionG	202.7″	—
Z 160-37	GtowardsGroup	222.1″	—
[HHM2010] 194.24861+27.45526	GtowardsCl	233.7″	18.75

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/2masx-j12571076-2724177 · Registry entry updated 2026-08-14.