20136+5307 STF2658AB

 
 
20h 13m 40.74s +53 07' 30.3" P.A. 105.80 sep 5.4 mag 7.19,9.38 Sp F5V dist. 44.33 pc (144.6 l.y.)
 
 
Coord 2000
20136+5307
Discov num
STF2658
Comp
AB
Coord arcsec 2000
20 13 40.74 +53 07 30.3
Date first
1828
Date last
2020
Obs
84
Pa first
127
Pa last
106
P.A. Now (θ)
105.8°
Sep first
4.8
Sep last
5.2
Sep. Now (ρ)
5.37"
Mag pri
7.19
Mag sec
9.38
delta mag (ΔM)
2.19
Spectral class
F5V (yellow-white)
Pri motion ra
+043
Sec motion ra
+043
Pri motion dec
+169
Sec motion dec
+169
Notes
N O T (See Notes, Orbital solution, Parallax indicates physical)
This double is physical.
 
 
20136+5307 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32380 20136+5307 STF2658 AB 1828 2020 84 106 5.4 7.19 9.38 2.19 Y <===
Show 32380 20136+5307 STF2658 AC 1830 2015 54 206 65.1 7.19 10.33 3.14
Show 32380 20136+5307 STF2658 AD 1910 2015 9 284 30.9 7.19 12.90 5.71
Show 32380 20136+5307 STF2658 BC 1842 2012 27 208 65.5 9.38 10.33 0.95
Show 32380 20136+5307 STF2658 BF 1910 2015 4 157 17.7 9.38 14.60 5.22
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
105.6
Precise sep
5.21
Constellation
Cygnus
SAO
32380
HIP
99680
Tycho2
3937-01789-1
Gaia DR2
00111529984
HD
192679
BD
BD+52 2657
Distance
44.33
Distance ly
144.6
last precise pa
105.6
last precise sep
5.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)5631.8534y± 2848.8471 Periastron (T)2806.1927y± 1326.8949 Semi-major axis (a)19.14603a± 9.30623
Eccentricity (e)0.83512± 0.14259 Inclination (i)102.938°± 7.874 Longitude of periastron (ω)67.495°± 33.772
Node (Ω)44.121°± 32.92 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2015
label rho theta
2000 5.359 107.9
2001 5.360 107.8
2002 5.360 107.7
2003 5.361 107.6
2004 5.361 107.5
2005 5.362 107.4
2006 5.362 107.3
2007 5.363 107.2
2008 5.363 107.1
2009 5.364 107.0
2010 5.365 106.9
2011 5.365 106.8
2012 5.366 106.7
2013 5.366 106.6
2014 5.367 106.5
2015 5.368 106.4
2016 5.368 106.3
2017 5.369 106.2
2018 5.370 106.1
2019 5.370 106.0
2020 5.371 105.9
2021 5.372 105.8
2022 5.373 105.7
2023 5.373 105.6
2024 5.374 105.5
2025 5.375 105.4
2026 5.376 105.3
2027 5.376 105.2
2028 5.377 105.1
2029 5.378 105.0
2030 5.379 104.9

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






wds20136%2B5307a.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
20136+5307 STF2658 AB 2008 62 108 5.4 7.19 9.38 F5V N DV 201340.70+530728.8
20136+5307 STF2658 AB 2012 68 105 6.8 7.19 9.38 F5V NVD 201340.70+530728.8
20136+5307 STF2658 AB 2013 76 106 5.4 7.19 9.38 F5V NV 201340.74+530730.3
20136+5307 STF2658 AB 2015 77 106 5.4 7.19 9.38 F5V NV 201340.74+530730.3
20136+5307 STF2658 AB 2019 83 106 5.4 7.19 9.38 F5V NO V 201340.74+530730.3

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