19464+3344 STF2580AB (17 Cyg)

 
 
19h 46m 25.60s +33 43' 39.3" P.A. 67.9 sep 26.09 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
2014
Obs
147
Pa first
73
Pa last
68
P.A. Now (θ)
67.9°
Sep first
25.5
Sep last
25.9
Sep. Now (ρ)
26.09"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17 Cyg 68827 19464+3344 STF2580 AB 1822 2014 147 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 19464+3344 KPR 4 AD 1960 1998 2 47 89.5 5.06 13.30 8.24
Show 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 19464+3344 STF2580 BC 1883 2012 23 137 94.2 9.25 9.44 0.19
Show 19464+3344 STF2580 BG 1998 2010 3 236 817.6 9.25 8.58 0.67
Show 19464+3344 STF2576 FG 1828 2015 458 156 3.1 8.47 8.58 0.11 Y
Show 19464+3344 STF2576 FH 1905 2012 5 349 56.8 8.48 13.80 5.32
Show 19464+3344 STF2576 FI 1893 2013 11 335 38.6 8.48 12.40 3.92
Show 19464+3344 TKA 1 FJ 1998 2006 4 249 25.9 8.48 11.70 3.22
Show 19464+3344 RAO 69 FK 1998 2013 3 318 16.4 8.48 14.90 6.42
Show 19464+3344 STF2576 GI 1905 2002 3 335 37.4 8.58 12.40 3.82
Show 19464+3344 STF2576 GJ 2002 2013 5 249 20.5 8.58 11.70 3.12
11-fold system
11 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
68.3
Precise sep
25.85
Name
17 Cyg
Cdsa2 id
STF 2580 AB
Constellation
Cygnus
SAO
68827
HIP
97295
Tycho2
2660-04227-1
HD
187013
HR
7534
GC
27369
ADS
12913
GL
Gl 767.1A
Flamsteed
17 Cygni
Flamsteed name
17 Cyg
Ra deg
19.773777777777777
De deg
33.727583333333335
Distance
21.23
Distance ly
69.25
last precise pa
68.3
last precise sep
25.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)6202y± 696 Periastron (T)-241y± 65 Semi-major axis (a)19.55a± 1.44
Eccentricity (e)0.62± 0.05 Inclination (i)144°± 6 Longitude of periastron (ω)252°± 8
Node (Ω)119°± 17 Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 26.059 68.3
2001 26.060 68.3
2002 26.062 68.3
2003 26.064 68.2
2004 26.066 68.2
2005 26.067 68.2
2006 26.069 68.2
2007 26.071 68.2
2008 26.073 68.1
2009 26.075 68.1
2010 26.076 68.1
2011 26.078 68.1
2012 26.080 68.0
2013 26.082 68.0
2014 26.083 68.0
2015 26.085 68.0
2016 26.087 68.0
2017 26.088 67.9
2018 26.090 67.9
2019 26.092 67.9
2020 26.094 67.9
2021 26.095 67.9
2022 26.097 67.8
2023 26.099 67.8
2024 26.100 67.8
2025 26.102 67.8
2026 26.104 67.8
2027 26.106 67.7
2028 26.107 67.7
2029 26.109 67.7
2030 26.111 67.7

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

grafico orbita





wds19464%2B3344b.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

If you need more information about this double, apply for a data request form to the WDS.