Registry · deep sky

SN 1999aa

Supernova SIMBAD SN* SNIap 275 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: 08h 27m 42.03s
Declination: +21° 29′ 14.8″
Galactic l, b: 202.72, 30.31
Redshift z: 0.0157
Radial velocity: 4,669.8 km/s

Also known as

2 identifiers

AAVSO 0821+21SN 1999aa

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
NGC 2595	HIIG	30.08″	—
HD 71324	HighPM*	153.1″	9.03
2MASX J08273152+2130037	LowSurfBrghtG	154.2″	—
SDSS J082755.24+212722.6	QSO	215.8″	—
ATO J126.9070+21.4264	Variable*	227.9″	13.48
SDSS J082743.99+212439.6	Galaxy	276.5″	—
2MASS J08280190+2130204	Low-Mass*	285.1″	—
2MASS J08272584+2125038	Low-Mass*	337.6″	—
SDSS J082728.59+213542.8	QSO	431″	—
UCAC4 557-044754	RGB*	443.6″	11.84
LINEAR 609637	RRLyrae	479.4″	17.28

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-1999aa · Registry entry updated 2026-08-14.