20325-1637 SEE 512 (HD 195536)

 
 
20h 32m 31.57s -16° 36' 34.4" P.A. 127.00 sep 0.3 mag 7.94,8.04 Sp A7III+F0 dist. 102.88 pc (335.59 l.y.)
 
 
Coord 2000 20325-1637 Discov num SEE 512 Comp Coord arcsec 2000 20 32 31.57 -16 36 34.4
Date first 1897 Date last 2021 Obs 38
Pa first 120 Pa last 126.8 P.A. Now (θ) 124°
Sep first 0.4 Sep last 0.253 Sep. Now (ρ) 0.289"
Mag pri 7.94 Mag sec 8.04 delta mag (ΔM) 0.1 Spectral class A7III+F0 (white/yellow-white)
Pri motion ra +057 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 195536 Constellation Capricornus SAO 163666 HIP 101357
Tycho2 6330-01597-1 HD 195536 GC 28566 ADS 13961
BD BD-17 6014 Distance 102.88 Distance ly 335.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)82.18y± 0.2 Periastron (T)1996.66y± 0.1 Semi-major axis (a)0.29a± 0.003
Eccentricity (e)0.031± 0.004 Inclination (i)99.5°± 2 Longitude of periastron (ω)252.2°± 10
Node (Ω)125.8°± 3.5 Notesn ReferenceDoc2010h
Equinox2000 Last observation2007 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 229.1 0.048
2001 201.5 0.048
2002 178.9 0.058
2003 164.4 0.073
2004 155.2 0.091
2005 149.2 0.110
2006 144.9 0.129
2007 141.7 0.148
2008 139.2 0.166
2009 137.2 0.184
2010 135.6 0.200
2011 134.2 0.216
2012 133.0 0.230
2013 131.9 0.243
2014 130.9 0.255
2015 130.0 0.265
2016 129.2 0.273
2017 128.4 0.280
2018 127.6 0.286
2019 126.9 0.290
2020 126.1 0.292
2021 125.4 0.293
2022 124.7 0.292
2023 124.0 0.289
2024 123.3 0.285
2025 122.5 0.279
2026 121.7 0.272
2027 120.9 0.263
2028 120.0 0.253
2029 119.0 0.242
2030 117.9 0.230


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



 
 


wds20325-1637a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic