Registry · deep sky

Mrk 55

LINER SIMBAD LIN 80 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 25.25s
Declination: +27° 24′ 16.6″
Galactic l, b: 45.016, 88.64
Redshift z: 0.01618
Radial velocity: 4,811.4 km/s
Angular size: 0.3477′ × 0.3234′

Also known as

41 identifiers

2CXO J125725.2+2724162MASS J12572523+27241662MASX J12572525+27241682XMM J125725.1+2724163XMM J125725.2+272416Anon 1255+27 ACAIRNS J125725.20+272416.4CASG 933CXOComa J125725.25+272413.8[D80] ACO 1656 15DELS 8000483713000527ECO 6124FIRST J125725.2+272417FOCA 0728-820Gaia DR2 1460674985316420864Gaia DR3 1460674985316804992GMP 4918GP 881KUG 1254+276LEDA 44300MaNGA 11939-3703MaNGA 1-456735MPMM 205Mrk 55NSAID v0 103933NVSS J125724+272421SDSS J125725.24+272416.4SDSS J125725.25+272416.4UCM 1254+2740WISE J125725.24+272416.6WISEA J125725.24+272416.6[CNM2001] 209[CRS93] SW 31[FBH2004] X486[HHM2010] 194.35521+27.40457[MBC2001] 151225[MBC2001] 151255[MHR2010] 194.3552+27.4046[MO2001b] J125725.4+272415.2[MO2002] J125725+272415[OSR2002] c146

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
2MASX J12572600+2724188	EmissionG	9.96″	—
[HHM2010] 194.37251+27.41362	GtowardsCl	64.21″	18.69
LEDA 126868	GtowardsCl	89.69″	18.74
2XMM J125731.8+272314	Galaxy	108.5″	—
2MASX J12572758+2726128	GtowardsCl	120.6″	—
2MASX J12573149+2726038	GtowardsCl	135.5″	—
LEDA 3098094	Galaxy	139.2″	—
SDSS J125713.23+272437.1	Galaxy	161.4″	18.45
[HHM2010] 194.36497+27.35724	GtowardsCl	173.3″	18.77
2MASX J12572473+2721188	GtowardsCl	178″	—
SDSS J125712.27+272313.0	Galaxy	184.1″	18.79

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/mrk-55 · Registry entry updated 2026-08-14.