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Doubles in session


Current system
07336+1550
MCA 32
68 Gem


Nearby doubles
33' : 07321+1613
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BRT2377

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SKF1547

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STJ 12

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HEI 131

79' : 07379+1637
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A 2872

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SLE 429

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STF1094



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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

07336+1550 MCA 32 (68 Gem)

 
 
07h 33m 36.50s +15° 49' 36.1" P.A. 109.00 sep 0.2 mag 5.40,7.60 Sp A1Vn dist. 129.87 pc (423.64 l.y.)
 
 
Coord 2000 07336+1550 Discov num MCA  32 Comp Coord arcsec 2000 07 33 36.50 +15 49 36.1
Date first 1980 Date last 2022 Obs 34
Pa first 89 Pa last 109 P.A. Now (θ) 103.6°
Sep first 0.2 Sep last 0.206 Sep. Now (ρ) 0.213"
Mag pri 5.40 Mag sec 7.60 delta mag (ΔM) 2.2 Spectral class A1Vn (white)
Pri motion ra -021 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 68 Gem Var name NSV3642 Gem Constellation Gemini SAO 97016
HIP 36760 Tycho2 1360-02332-1 Gaia DR2 3168484239974909312 HD 60107
HR 2886 GC 10106 BD BD+16 1510 Flamsteed 68 Geminorum
Flamsteed name 68 Gem Distance 129.87 Distance ly 423.64
 
 
ORBITAL ELEMENTS
 
 
Period (P)167y± 27 Periastron (T)1993.71y± 0.17 Semi-major axis (a)0.428a± 0.058
Eccentricity (e)0.879± 0.033 Inclination (i)83.6°± 0.7 Longitude of periastron (ω)269.1°± 0.8
Node (Ω)97.1°± 0.4 Notesn ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 101.9 0.169
2001 102.6 0.178
2002 103.2 0.185
2003 103.8 0.191
2004 104.3 0.196
2005 104.9 0.200
2006 105.4 0.204
2007 105.9 0.206
2008 106.4 0.209
2009 106.9 0.211
2010 107.3 0.212
2011 107.8 0.213
2012 108.3 0.214
2013 108.7 0.214
2014 109.2 0.215
2015 109.6 0.215
2016 110.1 0.214
2017 110.5 0.214
2018 111.0 0.213
2019 111.5 0.213
2020 111.9 0.212
2021 112.4 0.210
2022 112.9 0.209
2023 113.4 0.208
2024 113.8 0.206
2025 114.3 0.205
2026 114.8 0.203
2027 115.4 0.201
2028 115.9 0.199
2029 116.4 0.197
2030 117.0 0.195
2031 117.5 0.193
2032 118.1 0.191
2033 118.7 0.189
2034 119.3 0.187
2035 119.9 0.184
2036 120.5 0.182
2037 121.1 0.179
2038 121.8 0.177
2039 122.5 0.174
2040 123.2 0.172
2041 123.9 0.169
2042 124.6 0.167
2043 125.4 0.164
2044 126.2 0.161
2045 127.0 0.159
2046 127.9 0.156
2047 128.8 0.153
2048 129.7 0.151
2049 130.6 0.148
2050 131.6 0.145


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds07336%2B1550b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic