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Doubles in session


Current system
03423+3141
COU 691


Nearby doubles
30' : 03439+3201
CHX 7

31' : 03438+3203
TBN 17

32' : 03440+3203
TBN 18AB

32' : 03440+3202
TBN 19AB

34' : 03399+3156
HDS 464

34' : 03437+3208
DCH 1

36' : 03441+3207
DCH 3

36' : 03442+3207
STF 437AB

37' : 03440+3210
DCH 2

38' : 03443+3208
DCH 4

38' : 03444+3206
DCH 6

38' : 03447+3202
TBN 20AB

38' : 03444+3207
DCH 7

39' : 03445+3207
DCH 13

40' : 03444+3208
HER 19

40' : 03445+3208
NJT 4

40' : 03444+3209
NJT 3

40' : 03446+3207
DCH 14

41' : 03446+3208
HER 7

41' : 03447+3206
NJT 7

41' : 03445+3209
DCH 12

41' : 03446+3209
DCH 11AB

42' : 03448+3206
HER 22

42' : 03444+3211
NJT 2

42' : 03445+3210
DCH 9AB

42' : 03444+3212
NJT 1



Selections
Full WDS
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.

03423+3141 COU 691

 
 
03h 42m 15.91s +31° 40' 34.5" P.A. 270.00 sep 0.1 mag 9.00,9.00 Sp F8
 
 
Coord 2000 03423+3141 Discov num COU 691 Comp Coord arcsec 2000 03 42 15.91 +31 40 34.5
Date first 1972 Date last 2014 Obs 27
Pa first 48 Pa last 269.5 P.A. Now (θ) 46.3°
Sep first 0.1 Sep last 0.147 Sep. Now (ρ) 0.112"
Mag pri 9.00 Mag sec 9.00 delta mag (ΔM) 0 Spectral class F8 (yellow-white)
Pri motion ra +024 Sec motion ra
Pri motion dec -036 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Perseus SAO 56645 Gaia DR2 216568193983095424
 
 
ORBITAL ELEMENTS
 
 
Period (P)55.88y Periastron (T)1961.93y Semi-major axis (a)0.155a
Eccentricity (e)0.141 Inclination (i)66.2° Longitude of periastron (ω)258.2°
Node (Ω)66.5° Notesn ReferenceDoc2010d
Equinox2000 Last observation2007 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 220.8 0.119
2001 224.9 0.126
2002 228.6 0.133
2003 231.9 0.139
2004 235.0 0.144
2005 237.9 0.147
2006 240.7 0.149
2007 243.5 0.149
2008 246.3 0.148
2009 249.2 0.145
2010 252.3 0.140
2011 255.6 0.133
2012 259.3 0.124
2013 263.7 0.114
2014 269.0 0.103
2015 275.6 0.090
2016 284.4 0.078
2017 296.4 0.067
2018 312.6 0.058
2019 332.7 0.054
2020 353.5 0.056
2021 11.0 0.064
2022 24.1 0.075
2023 33.6 0.087
2024 40.8 0.100
2025 46.3 0.112
2026 50.8 0.123
2027 54.6 0.133
2028 57.9 0.141
2029 60.9 0.148
2030 63.6 0.153
2031 66.2 0.156
2032 68.7 0.158
2033 71.2 0.158
2034 73.7 0.157
2035 76.2 0.154
2036 78.9 0.150
2037 81.7 0.145
2038 84.8 0.139
2039 88.1 0.132
2040 91.9 0.124
2041 96.2 0.116
2042 101.2 0.107
2043 107.0 0.099
2044 113.9 0.091
2045 122.0 0.083
2046 131.7 0.077
2047 142.7 0.073
2048 154.6 0.071
2049 166.8 0.072
2050 178.3 0.075


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds03423%2B3141d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic