Registry · deep sky

[SST2011] J123032.27+413918.1

HighMassXBin SIMBAD HXB 19 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 32.27s
Declination: +41° 39′ 18.1″
Galactic l, b: 138.03, 74.85

Also known as

15 identifiers

1RXS J123033.0+413938CXO J123032.1+413918CXOU J123032.1+413918CXOU J123032.3+413918[FHL2008] NGC 4485-4490 ULX-4[LB2005] NGC 4490 ULX1[LB2005] NGC 4490 X2[LM2005] NGC 4485-90 ULX5[RPS97] NGC 4490 2[RW2000] NGC 4490 X-1[SGT2004] J123032.27+413918.1[SST2011] J123032.27+413918.1[STS2009b] J123032.27+413918.1[VHC2007] 4[WMR2006] NGC4490 XMM1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[SST2011] J123030.82+413911.5	HighMassXBin	17.54″	—
2CXO J123029.4+413927	HighMassXBin	33″	—
CXOU J123030.4+413852	HighMassXBin	33.43″	—
CXOU J123035.2+413846	HighMassXBin	44.42″	—
NGC 4490	GtowardsGroup	57.91″	9.79
[TKT2016] 3135	PairG	60.25″	—
[SST2011] J123036.32+413837.8	HighMassXBin	60.7″	—
CXO J123038.4+413831	HighMassXBin	82.38″	—
SN 1982F	Supernova	101.1″	—
SN 2008ax	Supernova	114″	23.5
2XMM J123043.1+413819	HighMassXBin	136.8″	—

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/sst2011-j123032-27-413918-1 · Registry entry updated 2026-08-14.