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Current system
06573-3530
I 65
HD 51825


Nearby doubles
14' : 06583-3525
I 66AB

36' : 07002-3535
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48' : 07000-3605
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JSP 126

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COO 45

70' : 07001-3430
TDS 317

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COO 46

76' : 07034-3519
HJ 3919

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EHR 10AB

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B 1051

83' : 07009-3640
B 1052

85' : 06584-3407
HDS 970

86' : 06542-3413
HJ 3900

88' : 06539-3649
BRT1600

89' : 06532-3644
SKF1389

93' : 07045-3502
JSP 131

93' : 06566-3358
HDS 962

94' : 07049-3523
TDS4451

98' : 06587-3706
HRG 6AB

99' : 07053-3546
RST3492

101' : 06592-3353
HDS 973

102' : 07055-3543
DAM 432

102' : 07056-3541
DAM 433

103' : 06591-3711
HRG 7

104' : 07057-3541
DAM 434

105' : 06532-3702
B 1050



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

06573-3530 I 65 (HD 51825)

 
 
06h 57m 17.61s -35° 30' 25.9" P.A. 229.00 sep 0.2 mag 6.90,7.31 Sp F8IV-V dist. 43.1 pc (140.59 l.y.)
 
 
Coord 2000 06573-3530 Discov num I    65 Comp Coord arcsec 2000 06 57 17.61 -35 30 25.9
Date first 1897 Date last 2021 Obs 97
Pa first 155 Pa last 229.1 P.A. Now (θ) 7.8° (calc)
Sep first 0.6 Sep last 0.209 Sep. Now (ρ) 0.098" (calc)
Mag pri 6.90 Mag sec 7.31 delta mag (ΔM) 0.41 Spectral class F8IV-V (yellow-white)
Pri motion ra -041 Sec motion ra
Pri motion dec +025 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 51825 Constellation Puppis SAO 197402 HIP 33451
Tycho2 7097-02518-1 HD 51825 HR 2612 CD CD-35 3233
CP CP-35 1065 Distance 43.1 Distance ly 140.59
 
 
ORBITAL ELEMENTS
 
 
Period (P)16.77y± 0.2 Periastron (T)2009.2y± 0.05 Semi-major axis (a)0.207a± 0.001
Eccentricity (e)0.444± 0.001 Inclination (i)33.8°± 0.5 Longitude of periastron (ω)246.9°± 1
Node (Ω)122.9°± 0.5 Notesn ReferenceDoc2009g
Equinox2000 Last observation2006 Grade1(1=Definitive, 9=Indet.)
label theta rho
2000 177.4 0.261
2001 187.7 0.256
2002 198.5 0.247
2003 210.2 0.236
2004 223.2 0.223
2005 237.9 0.208
2006 255.1 0.191
2007 276.0 0.170
2008 304.5 0.140
2009 352.3 0.103
2010 60.4 0.109
2011 100.6 0.157
2012 122.2 0.200
2013 137.0 0.229
2014 148.9 0.248
2015 159.6 0.258
2016 169.7 0.262
2017 179.7 0.260
2018 190.1 0.254
2019 201.1 0.245
2020 213.1 0.233
2021 226.4 0.220
2022 241.6 0.205
2023 259.5 0.187
2024 281.7 0.164
2025 313.0 0.131
2026 7.8 0.098
2027 72.5 0.119
2028 106.6 0.168
2029 126.0 0.208
2030 139.9 0.235
2031 151.5 0.251
2032 161.9 0.260
2033 172.0 0.262
2034 182.1 0.259
2035 192.5 0.252
2036 203.7 0.242
2037 216.0 0.230
2038 229.7 0.217
2039 245.4 0.201
2040 264.1 0.182
2041 287.7 0.158
2042 322.8 0.122
2043 24.4 0.097
2044 82.6 0.130
2045 111.8 0.178
2046 129.5 0.215
2047 142.7 0.239
2048 153.9 0.254
2049 164.3 0.261
2050 174.3 0.261


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds06573-3530a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic