19464+3344 WNO 56 AF

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	235.1		P.A. Now (θ)	235.1°
Sep first	791.9		Sep last	791.964		Sep. Now (ρ)	791.964"
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)

rPM=0.028 (< 0.3, Physical double) This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Chi Cyg	68827	19 46 26 +33 43 39	STF 2580 AB	2020	155	68	25.9	5.06	9.25	4.19	Y
Show		68827	19 46 26 +33 43 39	STF 2580 AC	2020	40	122	106.3	5.06	9.44	4.38
Show		68827	19 46 26 +33 43 39	KPR 4 AD	1998	2	47	89.5	5.06	13.30	8.24
Show		68827	19 46 26 +33 43 39	KPR 4 AE	2012	7	63	105.7	5.06	11.98	6.92
Show		68827	19 46 26 +33 43 39	WNO 56 AF	2002	10	235	792.0	5.06	8.48	3.42	Y	<===
Show			19 46 28 +33 43 48	STF 2580 BC	2016	23	139	100.8	9.25	9.44	0.19
Show		68799	19 46 28 +33 43 48	STF 2580 BG	2016	4	235	817.7	9.25	8.58	0.67
Show		68799	19 45 34 +33 36 07	STF 2576 FG	2020	483	155	3.2	8.47	8.58	0.11	Y
Show		68799	19 45 34 +33 36 07	STF 2576 FH	2016	7	348	51.3	8.48	13.80	5.32
Show		68799	19 45 34 +33 36 07	STF 2576 FI	2016	12	333	34.6	8.48	12.40	3.92
Show		68799	19 45 34 +33 36 07	TKA 1 FJ	2016	5	235	23.3	8.48	11.70	3.22
Show		68799	19 45 34 +33 36 07	RAO 69 FK	2015	4	322	17.2	8.48	14.90	6.42
Show		68799	19 45 34 +33 36 04	STF 2576 GI	2016	4	334	37.3	8.58	12.40	3.82
Show		68799	19 45 34 +33 36 04	STF 2576 GJ	2016	7	242	22.5	8.58	11.70	3.12

11-fold system
11 estimated visually detectable stars in this system

Var name	NSV12398 Cyg		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

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°		Notes	n		Reference	Rmn2017
Equinox	2000		Last observation	2013		Grade	5	(1=Definitive, 9=Indet.)

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