20072+3616 BKO  89CD

Coord 2000	20072+3616		Discov num	BKO  89		Comp	CD		Coord arcsec 2000	20 07 11.56 +36 16 35.2
Date first	1998		Date last	2015		Obs	8
Pa first	192		Pa last	192		P.A. Now (θ)	192°
Sep first	9.6		Sep last	9.7		Sep. Now (ρ)	9.7"
Mag pri	13.20		Mag sec	13.70		delta mag (ΔM)	0.5		Spectral class
Pri motion ra	+002		Sec motion ra	-007
Pri motion dec	-002		Sec motion dec	-002
Notes

rPM=1.236 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			20072+3616	SEI 891	AB	1896	2015	11	171	18.7	11.15	12.53	1.38
Show			20072+3616	BKO 89	AC	1998	2015	8	349	29.1	11.15	12.46	1.31
Show			20072+3616	BKO 89	AE	1895	2015	14	282	120.8	11.15	11.00	0.15
Show		69440	20072+3616	BKO 89	CD	1998	2015	8	192	9.7	13.20	13.70	0.50		<===
Show			20072+3616	BKO 89	EF	1998	2015	8	19	7.6	11.00	14.00	3.00

Sextuple system
6 visible stars in this system

Precise pa	191.7		Precise sep	9.664		Constellation	Cygnus		SAO	69440
Tycho2	2683-02290-1		Gaia DR2	27934947200

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20072+3616	BKO 89	CD	2002	2	192	9.6	12.30	13.70		D	200711.56+361635.2
20072+3616	BKO 89	CD	2010	4	193	9.6	13.20	13.70			200711.56+361635.2
20072+3616	BKO 89	CD	2015	4	192	9.7	13.20	13.70			200711.56+361635.2

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