Registry · deep sky

CXO J123038.4+413831

HighMassXBin SIMBAD HXB 9 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 38.30s
Declination: +41° 38′ 31.0″
Galactic l, b: 137.97, 74.87

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[SST2011] J123036.32+413837.8	HighMassXBin	23.21″	—
SN 1982F	Supernova	31.18″	—
SN 2008ax	Supernova	31.74″	23.5
CXOU J123035.2+413846	HighMassXBin	39.28″	—
NGC 4490	GtowardsGroup	43.05″	9.79
2XMM J123043.1+413819	HighMassXBin	56.9″	—
AT 2011kp	Transient	57.28″	—
[SST2011] J123032.27+413918.1	HighMassXBin	82.38″	—
CXOU J123030.4+413852	HighMassXBin	92.33″	—
[SST2011] J123030.82+413911.5	HighMassXBin	93.11″	—
2CXO J123029.4+413927	HighMassXBin	114.2″	—

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/cxo-j123038-4-413831 · Registry entry updated 2026-08-14.