Registry · deep sky

SN 2009dd

Supernova SIMBAD SN* SNII 47 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 05m 34.10s
Declination: +50° 32′ 18.6″
Galactic l, b: 140.34, 65.01
Redshift z: 0.00246
Radial velocity: 736.58 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
NGC 4088	AGN	2.729″	—
[LB2005] NGC 4088 ULX1	ULX Candidate	36.31″	—
SN 1991G	Supernova	50.52″	—
2MASX J12053708+5028547	EmissionG	204.9″	—
SDSS J120523.36+503605.7	QSO	249.2″	—
SDSS J120530.47+503637.4	QSO	261.2″	—
MCG+09-20-092	LINER	299.7″	—
SDSS J120605.98+503621.5	QSO	389″	—
SDSS J120612.58+503521.1	QSO	409.6″	—
SDSS J120459.26+502632.6	QSO	479.8″	—
[VV2006] J120525.3+502355	QSO	509.8″	20.72

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/sn-2009dd · Registry entry updated 2026-08-14.