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Doubles in session


Current system
05085+3755
COU 1531
HD 32949


Nearby doubles
18' : 05100+3754
SEI 81

20' : 05100+3747
SEI 82

21' : 05097+3741
COU1532

23' : 05067+3748
SEI 61

27' : 05104+3741
SEI 84AB

27' : 05104+3742
SEI 85

29' : 05063+3806
COU1527

29' : 05108+3801
SEI 87

30' : 05060+3751
KPP3594

31' : 05063+3739
COU1528

31' : 05063+3738
ES 2339

33' : 05073+3726
SEI 64

34' : 05078+3723
COU1529

37' : 05080+3719
SEI 66

39' : 05083+3716
SEI 74

42' : 05119+3757
SEI 91

43' : 05103+3718
STF 644AB

43' : 05063+3722
SEI 60

45' : 05083+3839
ALI 786

49' : 05084+3707
SEI 76

49' : 05124+3807
SEI 96

49' : 05111+3718
BLL 13

50' : 05079+3706
SEI 65

51' : 05044+3743
SEI 59

51' : 05113+3833
COU1867

51' : 05084+3704
SEI 77AB



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.

05085+3755 COU 1531 (HD 32949)

 
 
05h 08m 28.28s +37° 54' 47.9" P.A. 46.00 sep 0.2 mag 8.50,10.50 Sp F8
 
 
Coord 2000 05085+3755 Discov num COU1531 Comp Coord arcsec 2000 05 08 28.28 +37 54 47.9
Date first 1978 Date last 2010 Obs 11
Pa first 92 Pa last 45.7 P.A. Now (θ) 45.7°
Sep first 0.4 Sep last 0.22 Sep. Now (ρ) 0.22"
Mag pri 8.50 Mag sec 10.50 delta mag (ΔM) 2 Spectral class F8 (yellow-white)
Pri motion ra -030 Sec motion ra
Pri motion dec -028 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 32949 Constellation Auriga SAO 57671 Tycho2 2895-02584-1
Gaia DR2 188109504459613312 HD 32949
 
 
ORBITAL ELEMENTS
 
 
Period (P)203.5y± 40.8 Periastron (T)2024.3y± 0.7 Semi-major axis (a)0.448a± 0.057
Eccentricity (e)0.758± 0.013 Inclination (i)123.8°± 1.3 Longitude of periastron (ω)70.3°± 2.4
Node (Ω)11.9°± 3.8 Notes ReferenceKsr2021
Equinox Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 63.9 0.276
2001 62.2 0.272
2002 60.5 0.269
2003 58.7 0.265
2004 56.8 0.262
2005 54.9 0.258
2006 52.9 0.254
2007 50.9 0.250
2008 48.8 0.245
2009 46.6 0.240
2010 44.3 0.236
2011 41.9 0.230
2012 39.5 0.225
2013 36.8 0.218
2014 34.0 0.212
2015 31.1 0.204
2016 27.8 0.196
2017 24.3 0.186
2018 20.4 0.175
2019 15.8 0.163
2020 10.5 0.148
2021 3.9 0.131
2022 355.1 0.112
2023 342.5 0.091
2024 322.6 0.072
2025 292.6 0.062
2026 260.5 0.068
2027 238.0 0.086
2028 224.2 0.109
2029 215.3 0.133
2030 209.0 0.155


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


 
  


wds05085%2B3755a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic