19459+3501 BOT   3AC

Coord 2000	19459+3501		Discov num	BOT   3		Comp	AC		Coord arcsec 2000	19 45 51.35 +35 00 45.9
Date first	1896		Date last	2017		Obs	12
Pa first	77		Pa last	76		P.A. Now (θ)	76°
Sep first	445.2		Sep last	443.8		Sep. Now (ρ)	443.8"
Mag pri	6.22		Mag sec	8.25		delta mag (ΔM)	2.03		Spectral class	G9III (yellow)
Pri motion ra	+011		Sec motion ra	-003
Pri motion dec	-006		Sec motion dec	-005
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=1.12 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		68810	19459+3501	H 5 137	AB	1783	2019	53	25	38.8	6.22	8.18	1.96
Show		68810	19459+3501	BOT 3	AC	1896	2017	12	76	443.8	6.22	8.25	2.03		<===
Show		68810	19459+3501	ACA 1	AD	1940	2017	9	38	224.8	6.22	11.63	5.41

Quadruple system
4 visible stars in this system

Precise pa	76.3		Precise sep	443.8		Constellation	Cygnus		SAO	68810
HIP	97242		Tycho2	2664-01473-1		Gaia DR2	09393615104		HD	186927
HR	7530		BD	BD+34 3701		Distance	128.04		Distance ly	417.67

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19459+3501	BOT 3	AC	1998	8	77	443.7	6.22	8.25	G9III	D	194551.35+350045.9
19459+3501	BOT 3	AC	2008	9	76	445.7	6.22	8.25	G9III	D	194551.35+350045.9
19459+3501	BOT 3	AC	2015	11	76	442.9	6.22	8.25	G9III	N	194551.35+350045.9
19459+3501	BOT 3	AC	2017	12	76	443.8	6.22	8.25	G9III	N	194551.35+350045.9

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