Registry · deep sky

RX J122809.4+440509

X SIMBAD X 12 papers

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Right ascension: 12h 28m 09.28s
Declination: +44° 05′ 08.1″
Galactic l, b: 136.88, 72.41
Redshift z: 0.00067
Radial velocity: 200.79 km/s

Also known as

11 identifiers

2XMM J122809.3+440508RX J122809.4+440509SDSS J122809.27+440508.0[VP97] X1[BWC2008] C9[CHP2004] J122809.3+440508[OWB2005] NGC 4449 P6[RPC2011] X12[RW2000] NGC 4449 X-1[SSS2003b] 10[WMR2006] NGC4449 XMM2

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[ATA2011] 48	GlobCluster	29.55″	19.24
[OWB2005] NGC 4449 P2	X	33.38″	—
NGC 4449	EmissionG	34.89″	9.64
[GHG2001] 1	GlobCluster	34.96″	17.19
[ATA2011] 43	Cluster*	36.58″	17.25
[LB2005] NGC 4449 X1	X	45.25″	—
[GHG2001] 8	GlobCluster	52.13″	21.02
[GHG2001] 13	GlobCluster	56.09″	19.37
[CHP2004] J122812.0+440558	X	57.46″	—
[GHG2001] 48	GlobCluster	57.47″	19.98
[OWB2005] NGC 4449 P3	X	58.47″	—

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/rx-j122809-4-440509 · Registry entry updated 2026-08-14.