UPSA Object Registry
Registry · deep sky

2XMM J230457.6+122028

ULX SIMBAD ULX 8 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
23h 04m 57.70s
Declination
+12° 20′ 29.0″
Galactic l, b
86.289, -42.83

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
NGC 7479 Seyfert2 68.42″ 10.85
[RZH99] 315 HIIReg 75.12″ —
SN 2009jf Supernova 75.19″ —
SDSS J230453.47+122221.2 QSO 128.1″ —
SN 1990U Supernova 135″ —
SDSS J230518.33+122012.8 QSO 302.8″ —
XBS J230443.8+121636 QSO 310.2″ —
XBS J230459.6+121205 Seyfert1 504.8″ —

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/2xmm-j230457-6-122028 · Registry entry updated 2026-08-14.