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Doubles in session


Current system
03096+0512
A 2030
HD 19620


Nearby doubles
37' : 03115+0535
PLQ 40

37' : 03110+0543
CVR 438

41' : 03113+0440
LDS3462

54' : 03097+0606
LDS3459

78' : 03050+0439
UC 944

86' : 03129+0404
HEI 626

89' : 03059+0403
BAL2112

90' : 03068+0353
WIS 81

99' : 03046+0408
TDS2436

99' : 03158+0547
HJ 2182

100' : 03031+0528
BAL2994

102' : 03116+0335
BAL2113

103' : 03038+0608
KPP3161

106' : 03032+0558
CVR 435

107' : 03099+0659
HJ 661

108' : 03168+0501
A 2032

109' : 03092+0324
HEI 625

118' : 03092+0315
HDS 402

119' : 03027+0414
BAL2110

121' : 03112+0710
A 2031

122' : 03015+0513
BAL2604

129' : 03170+0618
CLZ 20

130' : 03010+0517
LEP 11

135' : 03183+0550
LAS 22

136' : 03092+0728
STFA 6

138' : 03014+0615
HDS 385



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.

03096+0512 A 2030 (HD 19620)

 
 
03h 09m 36.30s +05° 12' 10.6" P.A. 322.00 sep 0.3 mag 8.58,9.20 Sp G0 dist. 61.73 pc (201.36 l.y.)
 
 
Coord 2000 03096+0512 Discov num A  2030 Comp Coord arcsec 2000 03 09 36.30 +05 12 10.6
Date first 1909 Date last 2022 Obs 65
Pa first 337 Pa last 321.7 P.A. Now (θ) 312.7° (calc)
Sep first 0.3 Sep last 0.321 Sep. Now (ρ) 0.331" (calc)
Mag pri 8.58 Mag sec 9.20 delta mag (ΔM) 0.62 Spectral class G0 (yellow)
Pri motion ra +072 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 19620 Constellation Cetus SAO 111013 HIP 14676
Tycho2 0061-00030-1 HD 19620 ADS 2373 BD BD+04 501
Distance 61.73 Distance ly 201.36
 
 
ORBITAL ELEMENTS
 
 
Period (P)54.455y Periastron (T)1943.408y Semi-major axis (a)0.261a
Eccentricity (e)0.48 Inclination (i)148.7° Longitude of periastron (ω)277°
Node (Ω)53.7° Notesn ReferenceSta1978b
Equinox1900 Last observation1974 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 89.3 0.140
2001 74.0 0.158
2002 61.9 0.176
2003 52.0 0.193
2004 43.6 0.208
2005 36.3 0.222
2006 29.8 0.234
2007 23.9 0.245
2008 18.5 0.255
2009 13.5 0.265
2010 8.9 0.273
2011 4.5 0.280
2012 0.3 0.287
2013 356.2 0.293
2014 352.4 0.299
2015 348.7 0.304
2016 345.1 0.308
2017 341.6 0.313
2018 338.2 0.316
2019 334.8 0.320
2020 331.5 0.322
2021 328.3 0.325
2022 325.1 0.327
2023 322.0 0.329
2024 318.9 0.330
2025 315.8 0.331
2026 312.7 0.331
2027 309.7 0.332
2028 306.6 0.331
2029 303.5 0.330
2030 300.4 0.329
2031 297.3 0.328
2032 294.1 0.325
2033 290.9 0.323
2034 287.6 0.319
2035 284.2 0.315
2036 280.8 0.311
2037 277.3 0.305
2038 273.6 0.299
2039 269.7 0.292
2040 265.7 0.285
2041 261.4 0.276
2042 256.8 0.266
2043 251.8 0.255
2044 246.3 0.242
2045 240.2 0.228
2046 233.2 0.212
2047 225.1 0.195
2048 215.2 0.176
2049 203.0 0.157
2050 187.4 0.138


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds03096%2B0512a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic