20310+3656 KUI  98AC

Coord 2000	20310+3656		Discov num	KUI  98		Comp	AC		Coord arcsec 2000	20 30 59.23 +36 56 09.1
Date first	1935		Date last	2015		Obs	6
Pa first	76		Pa last	76		P.A. Now (θ)	76°
Sep first	16.2		Sep last	16.8		Sep. Now (ρ)	16.8"
Mag pri	6.32		Mag sec	12.80		delta mag (ΔM)	6.48		Spectral class	F5Iab (yellow-white)
Pri motion ra	+000		Sec motion ra
Pri motion dec	-004		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	44 Cyg	70135	20 30 59 +36 56 09	AC 18 AB	1991	18	158	2.2	6.32	10.12	3.80
Show		70135	20 30 59 +36 56 09	KUI 98 AC	2015	6	76	16.8	6.32	12.80	6.48		<===
Show		70135	20 30 59 +36 56 09	AC 18 AD	2015	4	165	63.1	6.32	12.30	5.98

Quadruple system
4 visible stars in this system

Precise pa	75.5		Precise sep	16.8		Constellation	Cygnus		SAO	70135
HIP	101214		Tycho2	2697-01634-1		Gaia DR2	2057760376738256384		HD	195593
HR	7847		GC	28551		BD	BD+36 4105		Flamsteed	44 Cygni
Flamsteed name	44 Cyg		Distance	1041.67		Distance ly	3397.93

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20310+3656	KUI 98	AC	1998	4	76	16.7	6.32	12.80	F5Iab	D	203059.23+365609.1
20310+3656	KUI 98	AC	2002	5	74	16.9	6.32	12.80	F5Iab	N D	203059.23+365609.1
20310+3656	KUI 98	AC	2015	6	76	16.8	6.32	12.80	F5Iab	N	203059.23+365609.1

If you need more information about this double, apply for a data request form to the WDS.