19464+3344 STF2576FG

 
 
19h 45m 33.53s +33 36' 07.1" P.A. 155.7 sep 3.07 mag 8.47,8.58 Sp K3V dist. 21.12 pc (68.89 l.y.)
 
 
Coord 2000
19464+3344
Discov num
STF2576
Comp
FG
Coord arcsec 2000
19 45 33.53 +33 36 07.1
Date first
1828
Date last
2015
Obs
458
Pa first
144
Pa last
158
P.A. Now (θ)
155.7°
Sep first
2.8
Sep last
3.0
Sep. Now (ρ)
3.07"
Mag pri
8.47
Mag sec
8.58
delta mag (ΔM)
0.11
Spectral class
K3V (yellow-orange)
Pri motion ra
+013
Sec motion ra
+042
Pri motion dec
-441
Sec motion dec
-465
Notes
N O (See Notes, Orbital solution)
rPM=0.081 (< 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
158
Precise sep
3
Cdsa2 id
STF 2576 FG
Constellation
Cygnus
HIP
97222
HD
186858
ADS
12889
GL
Gl 765.4A
Ra deg
19.75931388888889
De deg
33.60197222222222
Distance
21.12
Distance ly
68.89
last precise pa
158
last precise sep
3
 
 
ORBITAL ELEMENTS
 
 
Period (P)232y Periastron (T)1945.3y Semi-major axis (a)2.07a
Eccentricity (e)0.77 Inclination (i)156° Longitude of periastron (ω)128°
Node (Ω)91° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation
label rho theta
2000 2.686 164.1
2001 2.711 163.6
2002 2.735 163.1
2003 2.759 162.6
2004 2.782 162.0
2005 2.805 161.5
2006 2.828 161.1
2007 2.850 160.6
2008 2.871 160.1
2009 2.893 159.6
2010 2.913 159.2
2011 2.934 158.7
2012 2.954 158.3
2013 2.973 157.8
2014 2.992 157.4
2015 3.011 157.0
2016 3.030 156.5
2017 3.047 156.1
2018 3.065 155.7
2019 3.082 155.3
2020 3.099 154.9
2021 3.115 154.5
2022 3.131 154.1
2023 3.147 153.7
2024 3.162 153.3
2025 3.177 152.9
2026 3.191 152.5
2027 3.205 152.2
2028 3.219 151.8
2029 3.232 151.4
2030 3.245 151.1

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 STF2576 FG 2008 428 160 2.9 8.48 8.58 K3V NO 194533.52+333611.0
19464+3344 STF2576 FG 2009 435 159 2.9 8.48 8.58 K3V NO 194533.52+333611.0
19464+3344 STF2576 FG 2010 445 159 2.9 8.48 8.58 K3V NO 194533.52+333607.0
19464+3344 STF2576 FG 2012 450 159 2.8 8.47 8.58 K3V NO 194533.52+333607.0
19464+3344 STF2576 FG 2013 451 157 2.9 8.47 8.58 K3V NO 194533.52+333607.0
19464+3344 STF2576 FG 2014 448 157 3.0 8.47 8.58 K3V NO 194533.52+333607.0
19464+3344 STF2576 FG 2015 450 158 3.0 8.47 8.58 K3V NO 194533.52+333607.0

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