Registry · deep sky

M33 X-7

HighMassXBin SIMBAD HXB O 193 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: 01h 33m 34.13s
Declination: +30° 32′ 11.3″
Galactic l, b: 133.57, -31.46
Magnitude V: 18.7

Also known as

23 identifiers

1AXG J013335+30322E 0130.7+30162E 4082XMM J013334.0+3032123XMM J013334.0+303211CXOU J013334.1+303210[I92a] 47IFM-B 576IFM-B 581RX J0133.5+3032[SB95] 12XMMU J013334.0+303211ChASeM33 137ChASeM33 J013334.13+303211.3[HP2001] 71[LCB96] 21[LDC81] 7M33 X-7[MBH96] 128[MPH2006] 150[PMH2004] 171[SSA2010] 1272[TFP88] X-7

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
VGHC 2-40	HIIReg	7.558″	14.7
D33 J013334.8+303211.4	EclBin	8.404″	18.77
M33GMC 73	MolCld	9.81″	—
[HS80] 13	Association	16.96″	—
[EPR2003] 49	MolCld	19.45″	—
CBF 42	Cluster*	31.69″	19.71
D33 J013332.4+303143.3	Cepheid	35.43″	21.55
M33GMC 71	MolCld	39.74″	—
[CDL2004] 51	PlanetaryNeb	46.15″	—
VHK 14	ClassicalCep	48.81″	19.31
D33 J013337.5+303138.5	Cepheid	54.02″	19.24

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/m33-x-7 · Registry entry updated 2026-08-14.