Registry · deep sky

SN 2021J

Supernova SIMBAD SN* SNIa 12 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 26m 27.03s
Declination: +31° 13′ 20.6″
Galactic l, b: 174.55, 83.18
Redshift z: 0.002445
Radial velocity: 732.1 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SN 1974G	Supernova	3.526″	—
NGC 4414	GtowardsCl	4.226″	10.12
SN 2013df	Supernova	34.41″	—
1RXS J122559.9+311210	HighPM*	331.6″	15.08
[M60b]+31 190	Star	360.9″	12.26
LEDA 1940446	Seyfert2	385.9″	—
[M60b]+31 195	Star	413.3″	12.44
LEDA 1932065	Galaxy	494.5″	—

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-2021j · Registry entry updated 2026-08-14.