20063+3535 BKO  83AC

Coord 2000	20063+3535		Discov num	BKO  83		Comp	AC		Coord arcsec 2000	20 06 15.52 +35 35 18.3
Date first	1998		Date last	2015		Obs	9
Pa first	285		Pa last	285		P.A. Now (θ)	285°
Sep first	43.5		Sep last	43.5		Sep. Now (ρ)	43.5"
Mag pri	10.70		Mag sec	12.50		delta mag (ΔM)	1.8		Spectral class	A3: (white)
Pri motion ra	+000		Sec motion ra	-004
Pri motion dec	-003		Sec motion dec	-005
Notes

rPM=0.698 Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20 06 16 +35 35 18	SEI 873 AB	2015	12	335	9.1	10.70	11.90	1.20
Show			20 06 16 +35 35 18	BKO 83 AC	2015	9	285	43.5	10.70	12.50	1.80		<===
Show			20 06 16 +35 35 18	BKO 83 AE	2015	14	151	52.0	10.70	11.01	0.31
Show			20 06 16 +35 35 18	BKO 83 AG	2015	9	240	136.8	10.70	12.00	1.30
Show			20 06 16 +35 35 18	BKO 83 AI	2015	8	257	87.2	10.70	12.70	2.00
Show			20 06 12 +35 35 29	BKO 83 CD	2015	8	119	6.6	12.50	14.00	1.50
Show			20 06 18 +35 34 33	BKO 83 EF	2015	9	228	7.5	11.01	13.80	2.79
Show			20 06 06 +35 34 11	BKO 83 GH	2013	4	227	3.4	12.00	13.00	1.00

Ninefold system
9 visible stars in this system

Precise pa	284.6		Precise sep	43.521		Constellation	Cygnus		Tycho2	2679-00111-1
Gaia DR2	2059023887421958528

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20063+3535	BKO 83	AC	2002	2	285	43.4	10.00	12.50		D	200615.52+353518.3
20063+3535	BKO 83	AC	2012	4	285	43.2	10.70	12.50	A3:		200615.52+353518.3
20063+3535	BKO 83	AC	2015	5	285	43.5	10.70	12.50	A3:		200615.52+353518.3

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