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Current system
09005+3225
HU 718
HD 76975


Nearby doubles
5' : 09003+3221
SLW 321

13' : 08595+3225
SHJ 100AB

16' : 09014+3215
STF1298AB

18' : 09007+3208
COU1253AB

20' : 09002+3206
DVG 26AB

20' : 08599+3207
DVG 25

24' : 08587+3222
DJU 1

29' : 08584+3234
SKF 514

35' : 08591+3155
TOK 522

37' : 09007+3148
SLW 322

43' : 08596+3307
COU1252

43' : 08573+3236
SEI 513

45' : 08593+3307
SLN 15

47' : 08571+3241
BKO 399

50' : 08572+3159
CVR1182

50' : 08573+3254
STF1294AB

62' : 09024+3128
SEI 514

66' : 09057+3227
AG 161

70' : 08553+3247
AG 159

76' : 08589+3338
TDS6234

78' : 08553+3145
KPP1818

81' : 09020+3344
TDS6256

87' : 09024+3101
SKF 864

87' : 09062+3314
COU1560AB

91' : 09058+3325
GRV 777

99' : 09020+3402
CVR1189



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.

09005+3225 HU 718 (HD 76975)

 
 
09h 00m 30.68s +32° 25' 03.2" P.A. 42.00 sep 0.2 mag 9.30,9.49 Sp G5 dist. 89.05 pc (290.48 l.y.)
 
 
Coord 2000 09005+3225 Discov num HU  718 Comp Coord arcsec 2000 09 00 30.68 +32 25 03.2
Date first 1904 Date last 2013 Obs 39
Pa first 201 Pa last 42.4 P.A. Now (θ) 213.4°
Sep first 0.5 Sep last 0.224 Sep. Now (ρ) 0.267"
Mag pri 9.30 Mag sec 9.49 delta mag (ΔM) 0.19 Spectral class G5 (yellow)
Pri motion ra +046 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 76975 Constellation Cancer SAO 61192 HIP 44230
Tycho2 2492-00013-1 Gaia DR2 712110323617683712 HD 76975 ADS 7124
BD BD+32 1826 Distance 89.05 Distance ly 290.48
 
 
ORBITAL ELEMENTS
 
 
Period (P)139.765y± 1.185 Periastron (T)2019.142y± 0.887 Semi-major axis (a)0.552a± 0.061
Eccentricity (e)0.783± 0.036 Inclination (i)102.1°± 2.4 Longitude of periastron (ω)79.3°± 2.3
Node (Ω)34.3°± 6.5 Notesn ReferenceFMR2015b
Equinox2000 Last observation2010 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 58.2 0.272
2001 56.8 0.275
2002 55.5 0.278
2003 54.2 0.280
2004 52.9 0.281
2005 51.6 0.282
2006 50.3 0.282
2007 49.0 0.281
2008 47.7 0.280
2009 46.4 0.277
2010 45.0 0.273
2011 43.6 0.266
2012 42.2 0.258
2013 40.5 0.246
2014 38.8 0.231
2015 36.7 0.211
2016 34.0 0.184
2017 30.3 0.147
2018 23.3 0.098
2019 357.3 0.040
2020 248.0 0.046
2021 226.5 0.105
2022 220.4 0.157
2023 217.2 0.201
2024 215.0 0.237
2025 213.4 0.267
2026 212.1 0.293
2027 211.0 0.315
2028 210.0 0.334
2029 209.1 0.350
2030 208.3 0.365
2031 207.6 0.377
2032 206.9 0.389
2033 206.2 0.398
2034 205.6 0.407
2035 205.0 0.414
2036 204.4 0.421
2037 203.8 0.426
2038 203.3 0.431
2039 202.7 0.435
2040 202.2 0.438
2041 201.7 0.441
2042 201.2 0.444
2043 200.6 0.445
2044 200.1 0.446
2045 199.6 0.447
2046 199.1 0.448
2047 198.6 0.448
2048 198.1 0.447
2049 197.6 0.446
2050 197.0 0.445


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds09005%2B3225a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic