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	2024	156	68	26.1	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		68830	19 46 28 +33 43 48	STF 2580 BC	2016	23	139	100.8	9.25	9.44	0.19
Show		68830	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	2023	490	155	3.1	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		BD	BD+33 3587		Distance	21.23		Distance ly	69.25

Period (P)	7000c		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 158.1 6.965 2001 158.1 6.965 2002 158.1 6.966 2003 158.1 6.966 2004 158.1 6.966 2005 158.1 6.966 2006 158.1 6.966 2007 158.1 6.966 2008 158.1 6.966 2009 158.1 6.966 2010 158.1 6.966 2011 158.1 6.966 2012 158.1 6.967 2013 158.1 6.967 2014 158.1 6.967 2015 158.1 6.967 2016 158.1 6.967 2017 158.2 6.967 2018 158.2 6.967 2019 158.2 6.967 2020 158.2 6.967 2021 158.2 6.968 2022 158.2 6.968 2023 158.2 6.968 2024 158.2 6.968 2025 158.2 6.968 2026 158.2 6.968 2027 158.2 6.968 2028 158.2 6.968 2029 158.2 6.968 2030 158.2 6.968 2031 158.2 6.969 2032 158.2 6.969 2033 158.2 6.969 2034 158.2 6.969 2035 158.3 6.969 2036 158.3 6.969 2037 158.3 6.969 2038 158.3 6.969 2039 158.3 6.969 2040 158.3 6.969 2041 158.3 6.970 2042 158.3 6.970 2043 158.3 6.970 2044 158.3 6.970 2045 158.3 6.970 2046 158.3 6.970 2047 158.3 6.970 2048 158.3 6.970 2049 158.3 6.970 2050 158.3 6.970

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. Measures: green=micrometric, blue=interferometric, purple=photographic