Registry · deep sky

SN 2021gmj

Supernova SIMBAD SN* SNII 19 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: 10h 38m 47.27s
Declination: +53° 30′ 30.3″
Galactic l, b: 156.59, 54.06
Redshift z: 0.0034
Radial velocity: 1,017.6 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[PDT93] E	HIIReg	17.63″	—
NGC 3310	AGN	22.32″	12.15
SN 1991N	Supernova	26.53″	15
SDSS J103844.88+533005.2	HIIG	32.93″	—
SN 1974C	Supernova	36.45″	16.5
[BWC2008] U13	ULX	53.52″	—
SDSS J103813.84+533143.1	QSO	306.9″	—
LEDA 3467574	Galaxy	329.9″	—
3XMM J103935.7+533038	Seyfert1	432.6″	18.75
2MASS J10384878+5337573	QSO	447.1″	18.97
SDSS J103816.30+533652.5	QSO	471.4″	—

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