19523+4445 KOI 137 AF

Coord 2000	19523+4445		Discov num	KOI 137		Comp	AF		Coord arcsec 2000	19 52 19.07 +44 44 46.8
Date first	2009		Date last	2009		Obs	1
Pa first	186		Pa last	185.5		P.A. Now (θ)	185.5°
Sep first	7.1		Sep last	7.13		Sep. Now (ρ)	7.13"
Mag pri	12.20		Mag sec	20.00		delta mag (ΔM)	7.8		Spectral class
Pri motion ra	-001		Sec motion ra
Pri motion dec	-028		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 52 19 +44 44 47	KOI 137 AB	2010	1	341	4.8	13.55	21.90	8.35
Show			19 52 19 +44 44 47	KOI 137 AC	2014	3	137	5.1	13.55	21.50	7.95
Show			19 52 19 +44 44 47	KOI 137 AD	2015	4	351	5.7	13.55	17.80	4.25
Show			19 52 19 +44 44 47	KOI 137 AE	2010	1	73	5.7	13.55	22.20	8.65
Show			19 52 19 +44 44 47	KOI 137 AF	2009	1	186	7.1	12.20	20.00	7.80		<===

Sextuple system
6 estimated visually detectable stars in this system

Constellation

Cygnus

Gaia DR2

2079295583282164992