Registry · deep sky

CXOM31 J004255.3+412558

X SIMBAD X 12 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: 00h 42m 55.39s
Declination: +41° 25′ 56.6″
Galactic l, b: 121.22, -21.41

Also known as

10 identifiers

2XMM J004255.0+412556CXOM31 J004255.3+412556CXOM31 J004255.3+412558XMMM31 J004255.2+412557[HPH2013] 240[K2002] J004255.31+412558.0[KGP2002] r3-23[PFH2005] 358[PFJ93] 61[SPH2011] 1077

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
RX J0042.9+4125	SNRemnant	11.29″	—
BA 1-521	SNRemnant	19.77″	21.29
RX J004251.7+412539	SNRemnant	45.12″	—
[A56] 7	Nova	45.29″	16
Rosino 120	Nova	52.27″	17.7
Ford M 31 234	PlanetaryNeb	55.94″	22.03
5C 3.111	Radio	58.1″	—
2MASS J00425141+4126344	AGN Candidate	58.63″	—
[A56] 28	Nova	59.98″	17.7
M31N 2010-01b	Nova	65.89″	—
Bol D89	GlobCluster	72.14″	19.07

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/cxom31-j004255-3-412558 · Registry entry updated 2026-08-14.