19587+4026 KOI 643 AB

Coord 2000	19587+4026		Discov num	KOI 643		Comp	AB		Coord arcsec 2000	19 58 43.51 +40 25 42.3
Date first	2010		Date last	2015		Obs	2
Pa first	277		Pa last	279.2		P.A. Now (θ)	279.2°
Sep first	2.2		Sep last	2.215		Sep. Now (ρ)	2.215"
Mag pri	12.50		Mag sec	12.60		delta mag (ΔM)	0.1		Spectral class
Pri motion ra	+008		Sec motion ra
Pri motion dec	+013		Sec motion dec
Notes	K (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 58 44 +40 25 42	KOI 643 AB	2015	2	279	2.2	12.50	12.60	0.10		<===
Show			19 58 44 +40 25 42	KOI 643 AC	2015	2	197	3.3	12.50	13.10	0.60

Triple system
3 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2075036517608962944