19464+3344 STF2580AB (17 Cyg)

Coord 2000	19464+3344		Discov num	STF2580		Comp	AB		Coord arcsec 2000	19 46 25.60 +33 43 39.3
Date first	1822		Date last	2020		Obs	155
Pa first	73		Pa last	68		P.A. Now (θ)	68.2°
Sep first	25.5		Sep last	25.9		Sep. Now (ρ)	26.12"
Mag pri	5.06		Mag sec	9.25		delta mag (ΔM)	4.19		Spectral class	F5V (yellow-white)
Pri motion ra	+023		Sec motion ra	+019
Pri motion dec	-449		Sec motion dec	-447
Notes	N O (See Notes, Orbital solution)

rPM=0.01 (< 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	17 Cyg	68827	19 46 26 +33 43 39	STF 2580 AB	2020	155	68	26.1	5.06	9.25	4.19	Y	<===
Show		68827	19 46 26 +33 43 39	STF 2580 AC	2020	39	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		68827	19 46 28 +33 43 48	STF 2580 BC	2020	24	135	93.6	9.25	9.44	0.19
Show		68827	19 46 28 +33 43 48	STF 2580 BG	2010	3	236	817.6	9.25	8.58	0.67
Show		68799	19 45 34 +33 36 07	STF 2576 FG	2020	470	154	3.1	8.47	8.58	0.11	Y
Show		68799	19 45 34 +33 36 07	STF 2576 FH	2015	6	349	58.1	8.48	13.80	5.32
Show		68799	19 45 34 +33 36 07	STF 2576 FI	2013	11	335	38.6	8.48	12.40	3.92
Show		68799	19 45 34 +33 36 07	TKA 1 FJ	2006	4	249	25.9	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	2002	3	335	37.4	8.58	12.40	3.82
Show		68799	19 45 34 +33 36 04	STF 2576 GJ	2015	6	251	20.4	8.58	11.70	3.12

11-fold system
11 visible stars in this system

Precise pa	68.1		Precise sep	25.89		Name	17 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		last precise pa	68.1		last precise sep	25.89

Period (P)	7904.9885y	± 3402.7299	Periastron (T)	3084.6796y	± 1832.2686	Semi-major axis (a)	40.15567a	± 17.28789
Eccentricity (e)	0.68361	± 0.23569	Inclination (i)	103.92°	± 10.721	Longitude of periastron (ω)	81.415°	± 21.307
Node (Ω)	52.236°	± 27.381	Note			Grade	5	(1=Definitive, 9=Indet.)
Equinox			Last observation	2014

label rho theta 2000 26.078 68.6 2001 26.080 68.6 2002 26.082 68.5 2003 26.084 68.5 2004 26.085 68.5 2005 26.087 68.5 2006 26.089 68.5 2007 26.091 68.5 2008 26.093 68.4 2009 26.095 68.4 2010 26.096 68.4 2011 26.098 68.4 2012 26.100 68.4 2013 26.101 68.3 2014 26.103 68.3 2015 26.105 68.3 2016 26.107 68.3 2017 26.108 68.3 2018 26.110 68.2 2019 26.111 68.2 2020 26.113 68.2 2021 26.115 68.2 2022 26.116 68.2 2023 26.118 68.1 2024 26.119 68.1 2025 26.121 68.1 2026 26.122 68.1 2027 26.124 68.1 2028 26.125 68.1 2029 26.127 68.0 2030 26.128 68.0		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	STF2580	AB	2007	119	69	26.1	5.06	9.25	F5V	N DV	194625.60+334339.3
19464+3344	STF2580	AB	2009	120	69	26.2	5.06	9.25	F5V	N DV	194625.60+334339.3
19464+3344	STF2580	AB	2010	128	68	26.0	5.06	9.25	F5V	NVD	194625.60+334339.3
19464+3344	STF2580	AB	2011	129	69	25.5	5.06	9.25	F5V	NVD	194625.60+334339.3
19464+3344	STF2580	AB	2012	131	68	26.0	5.06	9.25	F5V	NVD	194625.60+334339.3
19464+3344	STF2580	AB	2013	136	70	25.6	5.06	9.25	F5V	NVD	194625.60+334339.3
19464+3344	STF2580	AB	2014	138	68	25.9	5.06	9.25	F5V	NVD	194625.60+334339.3
19464+3344	STF2580	AB	2015	148	68	26.1	5.06	9.25	F5V	NO	194625.60+334339.3
19464+3344	STF2580	AB	2019	153	68	26.1	5.06	9.25	F5V	NO	194625.60+334339.3

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