Registry · deep sky

SN 2003J

Supernova SIMBAD SN* SNIIP 23 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 10m 57.72s
Declination: +50° 28′ 31.8″
Galactic l, b: 138.52, 65.41
Magnitude V: 16.7
Redshift z: 0.0025851
Radial velocity: 774 km/s

Also known as

1 identifiers

SN 2003J

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
NGC 4157	GtowardsCl	71.52″	11.35
SN 1937A	Supernova	120.6″	16.2
SDSS J121056.92+502557.5	QSO	154.5″	—
SN 1955A	Supernova	170.5″	16
SDSS J121113.65+502646.3	QSO	185.1″	—
HD 105823	HighPM*	265.4″	8.05
GALEX J121027.2+502735	WhiteDwarf	297.3″	—
2MASS J12111915+5035168	EmissionG	453.6″	—
SDSS J121146.69+502658.9	QSO	476.8″	—
SDSS J121146.20+503104.7	QSO	487.3″	—
SDSS J121058.28+503652.6	QSO	500.9″	—

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-2003j · Registry entry updated 2026-08-14.