20072+3616 BKO  89AC

Coord 2000	20072+3616		Discov num	BKO  89		Comp	AC		Coord arcsec 2000	20 07 12.03 +36 16 07.2
Date first	1998		Date last	2015		Obs	8
Pa first	349		Pa last	349		P.A. Now (θ)	349°
Sep first	29.0		Sep last	29.1		Sep. Now (ρ)	29.1"
Mag pri	11.15		Mag sec	12.46		delta mag (ΔM)	1.31		Spectral class
Pri motion ra	-002		Sec motion ra	+002
Pri motion dec	-010		Sec motion dec	-002
Notes

rPM=0.877 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	172	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			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	348.8		Precise sep	29.141		Constellation	Cygnus		Tycho2	2683-02290-1
Gaia DR2	32264559232

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20072+3616	BKO 89	AC	2002	2	349	29.0	11.15	13.20		D	200712.03+361607.2
20072+3616	BKO 89	AC	2015	4	349	29.1	11.15	12.46			200712.03+361607.2

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