19464+3344 WNO  56AF

 
 
19h 46m 25.60s +33 43' 39.3" P.A. 235 sep 792 mag 5.06,8.48 Sp F7V dist. 21.23 pc (69.25 l.y.)
 
 
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
P.A. Now (θ)
235°
Sep first
791.9
Sep last
792.0
Sep. Now (ρ)
792"
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.
 
 
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 25.9 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 68827 19464+3344 KPR 4 AD 1960 1998 2 47 89.5 5.06 13.30 8.24
Show 68827 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 68827 19464+3344 STF2580 BC 1883 2012 23 137 94.2 9.25 9.44 0.19
Show 68827 19464+3344 STF2580 BG 1998 2010 3 236 817.6 9.25 8.58 0.67
Show 68799 19464+3344 STF2576 FG 1828 2015 458 156 3.0 8.47 8.58 0.11 Y
Show 68799 19464+3344 STF2576 FH 1905 2012 5 349 56.8 8.48 13.80 5.32
Show 68799 19464+3344 STF2576 FI 1893 2013 11 335 38.6 8.48 12.40 3.92
Show 68799 19464+3344 TKA 1 FJ 1998 2006 4 249 25.9 8.48 11.70 3.22
Show 68799 19464+3344 RAO 69 FK 1998 2013 3 318 16.4 8.48 14.90 6.42
Show 68799 19464+3344 STF2576 GI 1905 2002 3 335 37.4 8.58 12.40 3.82
Show 68799 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
235.1
Precise sep
791.964
Constellation
Cygnus
SAO
68827
HIP
97295
Tycho2
2660-04227-1
HD
187013
HR
7534
GC
27369
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
235.1
last precise sep
791.964
 
 
ORBITAL ELEMENTS
 
 
Period (P)37000c Periastron (T)-1512.94c Semi-major axis (a)28.33M
Eccentricity (e)0.76 Inclination (i) Longitude of periastron (ω)83°
Node (Ω)55° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2013
label rho theta
2000 6.789 141.8
2001 6.789 141.8
2002 6.789 141.8
2003 6.789 141.8
2004 6.789 141.9
2005 6.789 141.9
2006 6.789 141.9
2007 6.789 141.9
2008 6.789 141.9
2009 6.789 141.9
2010 6.789 141.9
2011 6.789 141.9
2012 6.789 141.9
2013 6.789 141.9
2014 6.789 141.9
2015 6.789 141.9
2016 6.789 141.9
2017 6.789 141.9
2018 6.789 141.9
2019 6.789 141.9
2020 6.789 141.9
2021 6.789 141.9
2022 6.789 141.9
2023 6.789 141.9
2024 6.789 141.9
2025 6.789 141.9
2026 6.789 141.9
2027 6.789 141.9
2028 6.789 141.9
2029 6.789 141.9
2030 6.789 141.9

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

grafico orbita





wds19464%2B3344c.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 WNO 56 AF 1998 9 235 791.8 5.00 7.68 VD 194625.60+334339.3
19464+3344 WNO 56 AF 2002 10 235 791.8 5.06 7.68 NVD 194625.60+334339.3

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