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Doubles in session


Current system
00028+8017
STF 3051
HD 74014


Nearby doubles
15' : 00018+8003
LOC 127

36' : 00137+8038
LDS1503

39' : 00093+7943
STF 2

40' : 00163+7958
UC 345

48' : 00200+8000
HJL1002

56' : 00210+8050
LOC 112

67' : 00224+8103
TDS1424

79' : 00101+7900
LOC 126

86' : 00119+7855
TDS1339

89' : 00030+7848
TDS1270

90' : 00151+7854
MLR 301

90' : 00157+8141
TDS1367

94' : 00059+7844
HDS 5

99' : 00077+7839
TDS1304

108' : 00085+7830
TDS1308

114' : 00033+7823
LOC 124

117' : 00125+7824
LOC 125

117' : 00005+7822
HEI 901

125' : 00028+7812
HU 799

126' : 00081+7812
LDS1501

129' : 00103+7810
MLR 370

130' : 00079+7807
MLR 369

137' : 00035+7800
MLR 368

140' : 00130+8235
LOC 128

141' : 00152+7801
STF 11

143' : 00033+8239
HJ 3234AB



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.

00028+8017 STF 3051 (HD 74014)

 
 
00h 02m 46.53s +80° 16' 56.2" P.A. 24.00 sep 17.0 mag 7.74,9.47 Sp F2V dist. 33.82 pc (110.32 l.y.)
 
 
Coord 2000 00028+8017 Discov num STF3051 Comp Coord arcsec 2000 00 02 46.53 +80 16 56.2
Date first 1832 Date last 2020 Obs 40
Pa first 24 Pa last 23.7 P.A. Now (θ) 23.7°
Sep first 16.5 Sep last 16.984 Sep. Now (ρ) 16.984"
Mag pri 7.74 Mag sec 9.47 delta mag (ΔM) 1.73 Spectral class F2V (yellow-white)
Pri motion ra +048 Sec motion ra +048
Pri motion dec +017 Sec motion dec +014
Notes Z (Parallax indicates components are physical)
rPM=0.059 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74014 Constellation Cepheus SAO 2 HIP 42634
Tycho2 4500-00783-1 Gaia DR2 565057240473317888 HD 74014 GC 4
BD BD+79 799 Distance 33.82 Distance ly 110.32
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)30.71y Periastron (T)2019.3y Semi-major axis (a)81.3m
Eccentricity (e)0.26 Inclination (i)82° Longitude of periastron (ω)292.1°
Node (Ω)75.7° Notes ReferenceSAO2021
Equinox Last observation2020 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 124.9 0.018
2001 171.2 0.014
2002 211.5 0.020
2003 228.8 0.030
2004 237.1 0.041
2005 242.0 0.052
2006 245.2 0.062
2007 247.6 0.070
2008 249.5 0.077
2009 251.1 0.083
2010 252.5 0.086
2011 253.9 0.087
2012 255.3 0.085
2013 256.9 0.080
2014 258.7 0.072
2015 261.1 0.060
2016 264.9 0.045
2017 273.5 0.027
2018 316.9 0.010
2019 49.7 0.018
2020 65.1 0.037
2021 70.4 0.052
2022 73.5 0.063
2023 75.9 0.069
2024 78.0 0.071
2025 80.1 0.069
2026 82.5 0.063
2027 85.4 0.055
2028 89.5 0.046
2029 95.9 0.035
2030 107.9 0.025


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


 
  


wds08256%2B2808a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)6936.3d (18.99y)± 134.7 Periastron (T)53431.9d (2005.167y)± 5.2 Semi-major axis (a)64m± 32.9
Eccentricity (e)0.532± 0.006 Inclination (i)171.1°± 6.8 Longitude of periastron (ω)325.3°± 0.6
Node (Ω)248.7°± 22 Notes ReferenceSaJ2011
Equinox Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 70.2 0.083
2001 59.7 0.074
2002 46.2 0.064
2003 26.8 0.052
2004 354.3 0.039
2005 295.2 0.030
2006 228.9 0.035
2007 189.4 0.047
2008 166.6 0.060
2009 151.2 0.070
2010 139.6 0.079
2011 130.2 0.086
2012 122.0 0.092
2013 114.6 0.095
2014 107.6 0.097
2015 100.8 0.098
2016 93.9 0.096
2017 86.7 0.094
2018 78.9 0.089
2019 70.1 0.083
2020 59.6 0.074
2021 46.1 0.064
2022 26.6 0.052
2023 353.9 0.038
2024 294.6 0.030
2025 228.5 0.035
2026 189.2 0.047
2027 166.4 0.060
2028 151.1 0.071
2029 139.5 0.079
2030 130.1 0.086


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


 
  


wds08413-0449o.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
ORBITAL ELEMENTS SOLUTION #3
 
 
Period (P)403d± 20 Periastron (T)48596d (1991.927y)± 155 Semi-major axis (a)7.9m± 5.9
Eccentricity (e)0.31± 0.36 Inclination (i)85°± 14 Longitude of periastron (ω)101°± 68
Node (Ω)134°± 94 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 323.3 0.004
2001-01-01 317.7 0.007
2002-01-01 314.0 0.007
2003-01-01 307.2 0.003
2004-01-01 142.9 0.003
2005-01-01 135.0 0.007
2006-01-01 132.1 0.008
2007-01-01 129.0 0.007
2008-01-01 123.2 0.004
2009-01-01 92.8 0.001
2010-01-01 333.8 0.002
2011-01-01 320.9 0.005
2012-01-01 316.5 0.007
2013-01-01 312.7 0.006
2014-01-01 295.4 0.001
2015-01-01 138.5 0.005
2016-01-01 133.9 0.008
2017-01-01 131.1 0.008
2018-01-01 127.6 0.006
2019-01-01 119.2 0.003
2020-01-01 38.5 0.001
2021-01-01 327.2 0.003
2022-01-01 319.2 0.006
2023-01-01 315.3 0.007
2024-01-01 310.8 0.005
2025-01-01 168.2 0.001
2026-01-01 136.5 0.006
2027-01-01 133.0 0.008
2028-01-01 130.2 0.007
2029-01-01 125.8 0.005
2030-01-01 112.0 0.002


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


 
  


wds08425-4731r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
ORBITAL ELEMENTS SOLUTION #4
 
 
Period (P)455d± 16 Periastron (T)48473d (1991.59y)± 163 Semi-major axis (a)5.2m± 3.1
Eccentricity (e)0.27± 0.34 Inclination (i)133°± 16 Longitude of periastron (ω)92°± 59
Node (Ω)122°± 82 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 141.4 0.005
2001-01-01 192.5 0.005
2002-01-01 252.3 0.005
2003-01-01 302.3 0.005
2004-01-01 63.2 0.003
2005-01-01 138.2 0.005
2006-01-01 188.4 0.005
2007-01-01 248.5 0.005
2008-01-01 298.5 0.005
2009-01-01 51.8 0.003
2010-01-01 135.0 0.005
2011-01-01 184.4 0.005
2012-01-01 244.6 0.005
2013-01-01 295.0 0.005
2014-01-01 39.4 0.003
2015-01-01 131.7 0.005
2016-01-01 180.5 0.005
2017-01-01 240.7 0.005
2018-01-01 291.5 0.005
2019-01-01 26.4 0.003
2020-01-01 128.3 0.005
2021-01-01 176.7 0.005
2022-01-01 236.7 0.005
2023-01-01 288.1 0.005
2024-01-01 13.7 0.003
2025-01-01 124.8 0.005
2026-01-01 173.0 0.005
2027-01-01 232.6 0.005
2028-01-01 284.7 0.005
2029-01-01 2.1 0.003
2030-01-01 121.2 0.005


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


 
  


wds08456-7705r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic