19506+4021 KOI 2158 AE

Coord 2000	19506+4021		Discov num	KOI2158		Comp	AE		Coord arcsec 2000	19 50 36.33 +40 21 09.2
Date first	2012		Date last	2012		Obs	1
Pa first	41		Pa last	41.2		P.A. Now (θ)	41.2°
Sep first	2.7		Sep last	2.699		Sep. Now (ρ)	2.699"
Mag pri	11.30		Mag sec	19.20		delta mag (ΔM)	7.9		Spectral class
Pri motion ra	-012		Sec motion ra
Pri motion dec	-033		Sec motion dec
Notes	N K (See Notes, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			19 50 36 +40 21 09	KOI 2158 AB	2012	3	14	2.3	13.05	18.20	5.15
Show			19 50 36 +40 21 09	KOI 2158 AC	2015	3	337	6.7	13.05	17.90	4.85
Show			19 50 36 +40 21 09	KOI 2158 AD	2012	1	194	1.6	11.30	17.70	6.40
Show			19 50 36 +40 21 09	KOI 2158 AE	2012	1	41	2.7	11.30	19.20	7.90		<===

Quintuple system
5 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2073686523494136192