Registry · deep sky

KOI-4939

Eruptive* SIMBAD Er* 35 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: 19h 20m 50.39s
Declination: +37° 43′ 33.6″
Galactic l, b: 69.913, 10.89
Magnitude V: 14.04
Parallax: 0.2684 mas
Redshift z: -0.00014997
Radial velocity: -44.964 km/s
Proper motion: -0.435, -2.304 mas/yr

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Cl* NGC 6791 SBG 7347	RGB*	6.703″	15.1
UCAC4 639-065869	RGB*	11.78″	—
NGC 6791 3012	RGB*	12.13″	13.96
Cl* NGC 6791 HSG S3	Star	26.76″	—
Gaia DR3 2051099329142403456	BlueStraggler	32.18″	—
2MASS J19204767+3743208	Star	34.63″	—
NGC 6791 3013	RGB*	35.32″	14.59
UCAC4 639-065914	RGB*	36.67″	—
Gaia DR3 2051286967671325184	BlueStraggler	41.56″	—
Cl* NGC 6791 ATT 90	Star	54.11″	17.38
Gaia DR3 2051099294782648832	Star	56.27″	—

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/koi-4939 · Registry entry updated 2026-08-14.