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Doubles in session


Current system
09387-3937
I 202
HD 83835


Nearby doubles
11' : 09394-3943
RST1445

25' : 09408-3933
RST1447

26' : 09371-3919
DAM1668

29' : 09411-3942
DAM1695

29' : 09376-3912
DAW 48

32' : 09395-4007
DAM1685

37' : 09393-4012
SKF1887

39' : 09354-3932
HJ 4223AB

43' : 09396-3855
HJ 4229

44' : 09424-3932
RST1448

50' : 09344-3933
RST1437

55' : 09378-4031
CPO 267

58' : 09354-3854
B 2222

61' : 09416-3847
TDS6746

63' : 09386-4040
KPP3790

65' : 09364-4037
CPO 265

71' : 09365-3831
DAM1664

71' : 09331-3908
JC 21

73' : 09358-3833
B 1130

76' : 09371-3824
B 1131

76' : 09416-3830
TOK 198

80' : 09321-3916
TDS6630

80' : 09410-4052
TDS 546

81' : 09444-3852
FIN 402AB

81' : 09447-3857
FIN 144

81' : 09412-3822
SWR 77



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.

09387-3937 I 202 (HD 83835)

 
 
09h 38m 40.71s -39° 36' 50.9" P.A. 250.00 sep 0.3 mag 7.02,8.37 Sp F6V dist. 333.33 pc (1087.32 l.y.)
 
 
Coord 2000 09387-3937 Discov num I   202 Comp Coord arcsec 2000 09 38 40.71 -39 36 50.9
Date first 1897 Date last 2021 Obs 29
Pa first 359 Pa last 250.1 P.A. Now (θ) 250.1°
Sep first 1.0 Sep last 0.289 Sep. Now (ρ) 0.289"
Mag pri 7.02 Mag sec 8.37 delta mag (ΔM) 1.35 Spectral class F6V (yellow-white)
Pri motion ra -046 Sec motion ra -046
Pri motion dec -064 Sec motion dec -064
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 83835 Constellation Antlia SAO 200590 HIP 47238
Tycho2 7696-01463-1 Gaia DR2 5432546322733015808 HD 83835 HR 3844
GC 13334 CD CD-39 5697 CP CP-39 3779 Distance 333.33
Distance ly 1087.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)169.6y± 6.8 Periastron (T)2004.89y± 0.39 Semi-major axis (a)0.9182a± 0.0258
Eccentricity (e)0.42± 0.017 Inclination (i)113.1°± 0.5 Longitude of periastron (ω)21.4°± 1.5
Node (Ω)0.9°± 0.4 Notes ReferenceTok2024b
Equinox2000 Last observation2024 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 3.3 0.548
2001 1.1 0.544
2002 358.9 0.537
2003 356.7 0.528
2004 354.4 0.515
2005 351.9 0.500
2006 349.2 0.482
2007 346.4 0.462
2008 343.2 0.440
2009 339.8 0.417
2010 335.9 0.392
2011 331.5 0.367
2012 326.4 0.343
2013 320.6 0.319
2014 313.9 0.298
2015 306.2 0.280
2016 297.6 0.266
2017 288.3 0.257
2018 278.5 0.255
2019 268.8 0.259
2020 259.6 0.269
2021 251.2 0.284
2022 243.8 0.304
2023 237.4 0.328
2024 231.9 0.354
2025 227.2 0.382
2026 223.2 0.411
2027 219.6 0.441
2028 216.6 0.471
2029 213.9 0.502
2030 211.5 0.533
2031 209.4 0.563
2032 207.5 0.594
2033 205.8 0.623
2034 204.2 0.653
2035 202.8 0.681
2036 201.4 0.710
2037 200.2 0.737
2038 199.1 0.764
2039 198.0 0.790
2040 197.0 0.816
2041 196.1 0.841
2042 195.2 0.865
2043 194.4 0.888
2044 193.6 0.911
2045 192.9 0.933
2046 192.2 0.954
2047 191.5 0.975
2048 190.8 0.994
2049 190.2 1.013
2050 189.6 1.032


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds09387-3937d.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic