Registry · deep sky

2CXO J123029.4+413927

HighMassXBin SIMBAD HXB 17 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 30m 29.45s
Declination: +41° 39′ 27.5″
Galactic l, b: 138.06, 74.85

Also known as

10 identifiers

2CXO J123029.4+413927CXO J123029.4+413927CXOU J123029.4+413927CXOU J123029.5+413927FIRST J123029.4+413927[FHL2008] NGC 4485-4490 ULX-1[SGT2004] J123029.55+413927.6[SST2011] J123029.55+413927.6[STS2009b] J123029.55+413927.6[VHC2007] 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[SST2011] J123030.82+413911.5	HighMassXBin	22.22″	—
[SST2011] J123032.27+413918.1	HighMassXBin	33″	—
CXOU J123030.4+413852	HighMassXBin	35.84″	—
[TKT2016] 3135	PairG	69.06″	—
CXOU J123035.2+413846	HighMassXBin	75.2″	—
NGC 4490	GtowardsGroup	83.68″	9.79
[SST2011] J123036.32+413837.8	HighMassXBin	91.68″	—
CXO J123038.4+413831	HighMassXBin	114.2″	—
SN 1982F	Supernova	129.8″	—
RX J1230.5+4141	ULX	133.8″	—
SN 2008ax	Supernova	145.9″	23.5

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/2cxo-j123029-4-413927 · Registry entry updated 2026-08-14.