20194+5607 BU 1486AC

Coord 2000	20194+5607		Discov num	BU 1486		Comp	AC		Coord arcsec 2000	20 19 24.48 +56 07 17.8
Date first	1904		Date last	2015		Obs	8
Pa first	167		Pa last	162		P.A. Now (θ)	162°
Sep first	17.7		Sep last	18.4		Sep. Now (ρ)	18.4"
Mag pri	9.28		Mag sec	14.50		delta mag (ΔM)	5.22		Spectral class	F5 (yellow-white)
Pri motion ra	+005		Sec motion ra	-005
Pri motion dec	+008		Sec motion dec	-010
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.842 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		32475	20194+5607	STF2669	AB	1832	2018	28	259	23.4	9.28	9.91	0.63
Show		32475	20194+5607	BU 1486	AC	1904	2015	8	162	18.4	9.28	14.50	5.22		<===

Triple system
3 visible stars in this system

Precise pa	161.6		Precise sep	18.384		Constellation	Cygnus		SAO	32475
Tycho2	3941-00692-1		Gaia DR2	14993638528		HD	239383

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
20194+5607	BU 1486	AC	1999	2	161	18.2	9.28	14.50	F5	D	201924.48+560717.8
20194+5607	BU 1486	AC	2003	3	161	18.3	9.28	14.50	F5	N D	201924.48+560717.8
20194+5607	BU 1486	AC	2015	4	162	18.4	9.28	14.50	F5	N	201924.48+560717.8

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