19464+3344 WNO  56AF

Coord 2000	19464+3344		Discov num	WNO  56		Comp	AF		Coord arcsec 2000	19 46 25.60 +33 43 39.3
Date first	1893		Date last	2002		Obs	10
Pa first	236		Pa last	235		P.A. Now (θ)	235°
Sep first	791.9		Sep last	792.0		Sep. Now (ρ)	792"
Mag pri	5.06		Mag sec	8.48		delta mag (ΔM)	3.42		Spectral class	F7V (yellow-white)
Pri motion ra	+023		Sec motion ra	+013
Pri motion dec	-449		Sec motion dec	-441
Notes	N O (See Notes, Orbital solution)

Visually invisible, K-band or other infrared star rPM=0.028 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	17 Cyg	68827	19464+3344	STF2580	AB	1822	2019	153	68	26.1	5.06	9.25	4.19	Y
Show		68827	19464+3344	STF2580	AC	1852	2013	38	126	107.9	5.06	9.44	4.38
Show		68827	19464+3344	KPR 4	AD	1960	1998	2	47	89.5	5.06	13.30	8.24
Show		68827	19464+3344	KPR 4	AE	1893	2012	7	63	105.7	5.06	11.98	6.92
Show		68827	19464+3344	WNO 56	AF	1893	2002	10	235	792.0	5.06	8.48	3.42	Y	<===
Show		68827	19464+3344	STF2580	BC	1883	2012	23	137	94.2	9.25	9.44	0.19
Show		68827	19464+3344	STF2580	BG	1998	2010	3	236	817.6	9.25	8.58	0.67
Show		68799	19464+3344	STF2576	FG	1828	2019	468	154	3.1	8.47	8.58	0.11	Y
Show		68799	19464+3344	STF2576	FH	1905	2015	6	349	58.1	8.48	13.80	5.32
Show		68799	19464+3344	STF2576	FI	1893	2013	11	335	38.6	8.48	12.40	3.92
Show		68799	19464+3344	TKA 1	FJ	1998	2006	4	249	25.9	8.48	11.70	3.22
Show		68799	19464+3344	RAO 69	FK	1998	2015	4	322	17.2	8.48	14.90	6.42
Show		68799	19464+3344	STF2576	GI	1905	2002	3	335	37.4	8.58	12.40	3.82
Show		68799	19464+3344	STF2576	GJ	2002	2015	6	251	20.4	8.58	11.70	3.12

11-fold system
11 visible stars in this system

Precise pa	235.1		Precise sep	791.964		Constellation	Cygnus		SAO	68827
HIP	97295		Tycho2	2660-04227-1		HD	187013		HR	7534
GC	27369		ADS	12913		GL	Gl 767.1A		BD	BD+33 3587
Flamsteed	17 Cygni		Flamsteed name	17 Cyg		Distance	21.23		Distance ly	69.25
last precise pa	235.1		last precise sep	791.964

Period (P)	37000c		Periastron (T)	-1512.94c		Semi-major axis (a)	28.33M
Eccentricity (e)	0.76		Inclination (i)	4°		Longitude of periastron (ω)	83°
Node (Ω)	55°		Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox	2000		Last observation	2013

label rho theta 2000 6.789 141.8 2001 6.789 141.8 2002 6.789 141.8 2003 6.789 141.8 2004 6.789 141.9 2005 6.789 141.9 2006 6.789 141.9 2007 6.789 141.9 2008 6.789 141.9 2009 6.789 141.9 2010 6.789 141.9 2011 6.789 141.9 2012 6.789 141.9 2013 6.789 141.9 2014 6.789 141.9 2015 6.789 141.9 2016 6.789 141.9 2017 6.789 141.9 2018 6.789 141.9 2019 6.789 141.9 2020 6.789 141.9 2021 6.789 141.9 2022 6.789 141.9 2023 6.789 141.9 2024 6.789 141.9 2025 6.789 141.9 2026 6.789 141.9 2027 6.789 141.9 2028 6.789 141.9 2029 6.789 141.9 2030 6.789 141.9 Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19464+3344	WNO 56	AF	1998	9	235	791.8	5.00	7.68		VD	194625.60+334339.3
19464+3344	WNO 56	AF	2002	10	235	791.8	5.06	7.68		NVD	194625.60+334339.3

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