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Doubles in session


Current system
23036-4651
WSI 139


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Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

23036-4651 WSI 139

 
 
23h 03m 35.60s -46° 50' 47.0" P.A. 155.00 sep 0.3 mag 13.60,13.70
 
 
Coord 2000 23036-4651 Discov num WSI 139 Comp Coord arcsec 2000 23 03 35.60 -46 50 47.0
Date first 2010 Date last 2022 Obs 11
Pa first 332 Pa last 154.8 P.A. Now (θ) 155.8°
Sep first 0.3 Sep last 0.279 Sep. Now (ρ) 0.252"
Mag pri 13.60 Mag sec 13.70 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -171 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Grus Gaia DR2 6539544319023472000
 
 
ORBITAL ELEMENTS
 
 
Period (P)14.5y± 2.15 Periastron (T)2015.48y± 0.44 Semi-major axis (a)0.2572a± 0.0257
Eccentricity (e)0.23± 0.059 Inclination (i)93.8°± 0.5 Longitude of periastron (ω)162.4°± 4.7
Node (Ω)153.3°± 0.8 Notes ReferenceTok2020e
Equinox Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 339.0 0.115
2001 334.4 0.190
2002 331.7 0.191
2003 327.6 0.127
2004 301.5 0.032
2005 166.1 0.080
2006 158.6 0.173
2007 156.2 0.247
2008 154.8 0.295
2009 153.6 0.313
2010 152.5 0.299
2011 151.2 0.252
2012 148.8 0.172
2013 139.5 0.065
2014 346.6 0.060
2015 336.2 0.160
2016 333.1 0.200
2017 330.1 0.165
2018 322.4 0.080
2019 187.5 0.031
2020 161.0 0.129
2021 157.2 0.213
2022 155.4 0.274
2023 154.2 0.308
2024 153.1 0.310
2025 151.9 0.280
2026 150.2 0.216
2027 146.2 0.121
2028 71.5 0.015
2029 339.0 0.115
2030 334.4 0.190
2031 331.7 0.191
2032 327.6 0.127
2033 301.5 0.032
2034 166.1 0.080
2035 158.6 0.173
2036 156.2 0.247
2037 154.8 0.295
2038 153.6 0.313
2039 152.5 0.299
2040 151.2 0.252
2041 148.8 0.172
2042 139.5 0.065
2043 346.6 0.060
2044 336.2 0.160
2045 333.1 0.200
2046 330.1 0.165
2047 322.4 0.080
2048 187.5 0.031
2049 161.0 0.129
2050 157.2 0.213


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds23036-4651a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic