19464+3344 STF2580AB (17 Cyg)

 
 
19h 46m 25.60s +33 43' 39.3" P.A. 68.20 sep 26.1 mag 5.06,9.25 Sp F5V dist. 21.23 pc (69.25 l.y.)
 
 
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.
 
 
19464+3344 SYSTEM COMPONENTS
 
 
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
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
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
 
 
ORBITAL ELEMENTS
 
 
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 Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2014
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


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds19464%2B3344f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
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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