Registry · deep sky

ASASSN -15oi

Supernova SIMBAD SN* 193 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: 20h 39m 09.10s
Declination: −30° 45′ 20.7″
Galactic l, b: 13.012, -35.42
Redshift z: 0.048
Radial velocity: 14,045 km/s

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
2MASX J20390918-3045201	Galaxy	0.4313″	—
UCAC4 297-228282	Star	366.7″	12.93
CRTS J203937.9-304321	RRLyrae	391.5″	16.31
DENIS J203950.4-304555	LongPeriodV* Candidate	534.4″	12.2

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/asassn-15oi · Registry entry updated 2026-08-14.