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Doubles in session


Current system
09379+7305
STF 1362
HD 82685


Nearby doubles
19' : 09338+7302
HDS1377

23' : 09384+7242
FAR 9

24' : 09425+7318
SKF2685

37' : 09309+7326
HJ 2495

53' : 09499+7305
TDS6838

57' : 09509+7309
DAM1794

58' : 09249+7317
MLR 418

62' : 09318+7209
TDS6623

64' : 09434+7206
DAM1711

68' : 09437+7202
MLR 420

75' : 09425+7153
UC 135

76' : 09379+7421
HDS1387

79' : 09345+7148
TDS6659

83' : 09204+7337
KPP3781

83' : 09508+7407
TDS6850

83' : 09487+7414
CRB 182

84' : 09568+7255
UC 1846

85' : 09505+7412
LDS1699

93' : 09195+7222
UC 131

107' : 09514+7436
STF1378

124' : 09228+7451
KPP3783

126' : 09477+7504
UC 139

132' : 09387+7516
MLR 419

141' : 09509+7516
LDS1700

141' : 09508+7515
KPP3797

144' : 09466+7047
KPP 556



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.

09379+7305 STF 1362 (HD 82685)

 
 
09h 37m 56.18s +73° 04' 49.5" P.A. 125.00 sep 4.9 mag 7.03,7.20 Sp F1V+F2V dist. 71.02 pc (231.67 l.y.)
 
 
Coord 2000 09379+7305 Discov num STF1362 Comp Coord arcsec 2000 09 37 56.18 +73 04 49.5
Date first 1831 Date last 2017 Obs 107
Pa first 140 Pa last 124.7 P.A. Now (θ) 124.7°
Sep first 7.0 Sep last 4.929 Sep. Now (ρ) 4.929"
Mag pri 7.03 Mag sec 7.20 delta mag (ΔM) 0.17 Spectral class F1V+F2V (yellow-white/yellow-white)
Pri motion ra -042 Sec motion ra -014
Pri motion dec -020 Sec motion dec -042
Notes O (Orbital solution)
rPM=0.765
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 82685 Constellation Draco SAO 6915 HIP 47260
Tycho2 4389-01563-1 Gaia DR2 1120879850284462208 HD 82685 HR 3806
GC 13252 ADS 7446 BD BD+73 470 Distance 71.02
Distance ly 231.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)2150.8592y± 851.3243 Periastron (T)1595.1769y± 113.4841 Semi-major axis (a)7.90482a± 4.45899
Eccentricity (e)0.76964± 0.19104 Inclination (i)105.198°± 8.872 Longitude of periastron (ω)273.031°± 15.418
Node (Ω)154.398°± 11.647 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 125.8 4.893
2001 125.7 4.891
2002 125.6 4.889
2003 125.5 4.887
2004 125.5 4.885
2005 125.4 4.883
2006 125.3 4.880
2007 125.3 4.878
2008 125.2 4.876
2009 125.1 4.874
2010 125.0 4.872
2011 125.0 4.870
2012 124.9 4.867
2013 124.8 4.865
2014 124.7 4.863
2015 124.7 4.861
2016 124.6 4.858
2017 124.5 4.856
2018 124.4 4.854
2019 124.4 4.852
2020 124.3 4.849
2021 124.2 4.847
2022 124.1 4.845
2023 124.1 4.842
2024 124.0 4.840
2025 123.9 4.838
2026 123.8 4.835
2027 123.8 4.833
2028 123.7 4.830
2029 123.6 4.828
2030 123.5 4.826


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


 
  


wds09379%2B7305a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
 
 
Identifier09379+7305 STF1362 A
coord_arcsec_2000093756.18+730449.5
Period (P)7.9y Periastron (T)1980y Semi-major axis (a)13.2a± 6
Eccentricity (e)0 Inclination (i)62.3°± 18 Longitude of periastron (ω)0°
Node (Ω)54.7°± 21.4 Notes ReferenceKiy2010
Equinox Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 240.1 12.997
2001 270.3 8.846
2002 350.3 6.639
2003 38.6 11.666
2004 61.2 12.908
2005 92.7 8.566
2006 174.3 6.825
2007 219.9 11.869
2008 242.3 12.803
2009 275.3 8.289
2010 358.2 7.032
2011 41.2 12.059
2012 63.4 12.684
2013 98.1 8.017
2014 181.8 7.257
2015 222.4 12.236
2016 244.6 12.549
2017 281.0 7.753
2018 5.2 7.499
2019 43.7 12.400
2020 65.7 12.400
2021 104.2 7.499
2022 188.4 7.753
2023 224.8 12.549
2024 247.0 12.236
2025 287.6 7.257
2026 11.3 8.017
2027 46.0 12.684
2028 68.2 12.059
2029 111.2 7.032
2030 194.1 8.289


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


 
  


wds09379%2B7305r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
 
 
Identifier09379+7305 STF1362 A
coord_arcsec_2000093756.18+730449.5
Period (P)7.9y Periastron (T)1980y Semi-major axis (a)14a± 7.7
Eccentricity (e)0.5 Inclination (i)62.4°± 19.3 Longitude of periastron (ω)81.1°± 36.5
Node (Ω)55°± 23.3 Notes ReferenceKiy2010
Equinox Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 315.3 9.810
2001 353.6 9.948
2002 25.0 11.444
2003 53.3 10.021
2004 201.8 5.342
2005 244.2 13.141
2006 263.3 13.522
2007 286.2 11.470
2008 319.1 9.714
2009 357.2 10.080
2010 27.8 11.540
2011 57.1 9.379
2012 212.0 6.591
2013 246.2 13.398
2014 265.3 13.374
2015 288.9 11.241
2016 322.9 9.642
2017 0.7 10.225
2018 30.4 11.606
2019 61.6 8.589
2020 219.0 7.777
2021 248.2 13.592
2022 267.3 13.207
2023 291.8 11.018
2024 326.8 9.595
2025 4.0 10.381
2026 33.1 11.634
2027 67.0 7.642
2028 224.2 8.850
2029 250.1 13.729
2030 269.4 13.022


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


 
  


wds09379%2B7305s.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
 
 
SUSPECTED ORBITAL ELEMENTS SOLUTION #3
 
 
Identifier09379+7305 STF1362 A
coord_arcsec_2000093756.18+730449.5
Period (P)7.9y Periastron (T)1981.6y Semi-major axis (a)18.4a± 8.5
Eccentricity (e)0.8 Inclination (i)66.2°± 19.1 Longitude of periastron (ω)132°± 42.3
Node (Ω)62.5°± 22.6 Notes ReferenceKiy2010
Equinox Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 27.5 18.552
2001 36.0 23.176
2002 42.2 25.571
2003 47.9 25.237
2004 54.7 20.940
2005 73.8 7.711
2006 323.0 6.105
2007 13.5 12.765
2008 28.5 19.106
2009 36.7 23.521
2010 42.8 25.672
2011 48.5 25.019
2012 55.6 20.184
2013 83.3 5.079
2014 332.3 6.581
2015 15.7 13.470
2016 29.5 19.641
2017 37.4 23.844
2018 43.4 25.746
2019 49.1 24.760
2020 56.6 19.347
2021 117.1 2.213
2022 340.3 7.146
2023 17.6 14.162
2024 30.5 20.155
2025 38.0 24.144
2026 43.9 25.792
2027 49.7 24.459
2028 57.6 18.418
2029 218.4 2.698
2030 347.0 7.776


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


 
  


wds09379%2B7305t.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 09379+7305 STF 1362 (HD 82685) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09379+7305 STF1362 2005 90 124 4.9 7.03 7.20 F1V+F2V D 093756.18+730449.5
09379+7305 STF1362 2007 104 125 4.9 7.03 7.20 F1V+F2V D 093756.18+730449.5
09379+7305 STF1362 2015 103 125 4.6 7.03 7.20 F1V+F2V D 093756.18+730449.5
09379+7305 STF1362 2017 105 125 4.9 7.03 7.20 F1V+F2V 093756.18+730449.5

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 09379+7305 STF 1362 (HD 82685) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/05/19 Daedalus1 mean difficulty separated 126   Very nice pair of evenly matched stars

 
 
WDS 09379+7305 STF 1362 (HD 82685) : MEASURES
 
 
Records found: 1
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 23/05/19 Daedalus1 mean difficulty 4.85 0.08 126.00 0.00 0.17 12 Seeing: Pickering 7, good
 
 
WDS 09379+7305 (HD 82685) : VIRTUAL EYEPIECE
 
 

09379+7305 STF1362A mag 7.03 Sp F1V 09379+7305 STF1362B sep 3.0 P.A. 157.20 mag 7.2 Sp F2V virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 09379+7305 (HD 82685) : ALADIN DSS IMAGE @ 09h 37m 56.18s +73° 04' 49.5"
 
 
 
 
WDS 09379+7305 STF 1362 (HD 82685) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09379+7305 STF1362 distance=0' 09338+7302 HDS1377 distance=19' 09384+7242 FAR 9 distance=23' 09425+7318 SKF2685 distance=24' 09309+7326 HJ 2495 distance=37' 09499+7305 TDS6838 distance=53' 09509+7309 DAM1794 distance=57' 09249+7317 MLR 418 distance=58' 09318+7209 TDS6623 distance=62' 09434+7206 DAM1711 distance=64' 09437+7202 MLR 420 distance=68' 09425+7153 UC 135 distance=75' 09379+7421 HDS1387 distance=76' 09345+7148 TDS6659 distance=79' 09204+7337 KPP3781 distance=83' 09508+7407 TDS6850 distance=83' 09487+7414 CRB 182 distance=83' 09568+7255 UC 1846 distance=84' 09505+7412 LDS1699 distance=85' 09195+7222 UC 131 distance=93' 09514+7436 STF1378 distance=107' 09228+7451 KPP3783 distance=124' 09477+7504 UC 139 distance=126' 09387+7516 MLR 419 distance=132' 09509+7516 LDS1700 distance=141' 09508+7515 KPP3797 distance=141' 09466+7047 KPP 556 distance=144' 09525+7531 TDS6870 distance=158' 09227+7044 TDS6515 distance=158' 09513+7038 HJ 2506 distance=160' 09249+7554 LDS1695 distance=179' 09578+7546 SKF2768 distance=180' 09227+7020 TDS 529AB distance=180' 09227+7020 DAM1609AC distance=180' 09220+7019 DAM1603 distance=182' 09427+7004 LDS1698BC distance=184' 09296+7606 LOC 261 distance=185' 09427+7004 OSV 3AB distance=185' 09260+7603 KPP1944 distance=185' 09380+7610 HDS1388 distance=185' 09396+7611 LOC 260 distance=186' 09471+7001 TDS6808 distance=189' 09464+6956 DAM1732 distance=193' 09472+7618 LOC 270 distance=197' 09571+7004 TDS 561 distance=203' 09460+7643 STF1373 distance=221' 09579+7637 TOK 668 distance=226' 09389+6917 A 1084 distance=228' 09201+7644 HDS1344 distance=231' 09565+6932 LDS2581 distance=231' 09512+7654 MLR 525 distance=235' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 09379+7305 STF1362 125 4.9
Show 09338+7302 HDS1377 182 0.2 19
Show 09384+7242 FAR 9 82 81.5 23
Show 09425+7318 SKF2685 242 14.2 24
Show 09309+7326 HJ 2495 317 37.5 37
Show 09499+7305 TDS6838 235 0.7 53
Show 09509+7309 DAM1794 5 13.7 57
Show 09249+7317 MLR 418 188 3.8 58
Show 09318+7209 TDS6623 172 0.9 62
Show 09434+7206 DAM1711 88 2.1 64
Show 09437+7202 MLR 420 117 0.2 68
Show 09425+7153 UC 135 280 13.8 75
Show 09379+7421 HDS1387 343 0.1 76
Show 09345+7148 TDS6659 219 1.0 79
Show 09204+7337 KPP3781 313 38.2 83
Show 09508+7407 TDS6850 41 0.4 83
Show 09487+7414 CRB 182 329 21.4 83
Show 09568+7255 UC 1846 22 54.5 84
Show 09505+7412 LDS1699 160 3.1 85
Show 09195+7222 UC 131 178 50.1 93
Show 09514+7436 STF1378 357 5.2 107
Show 09228+7451 KPP3783 144 4.0 124
Show 09477+7504 UC 139 2 30.6 126
Show 09387+7516 MLR 419 335 0.4 132
Show 09509+7516 LDS1700 33 25.7 141
Show 09508+7515 KPP3797 33 25.7 141
Show 09466+7047 KPP 556 23 5.2 144
Show 09525+7531 TDS6870 122 1.8 158
Show 09227+7044 TDS6515 93 2.0 158
Show 09513+7038 HJ 2506 83 11.0 160
Show 09249+7554 LDS1695 6 14.8 179
Show 09578+7546 SKF2768 223 2.6 180
Show 09227+7020 TDS 529 AB 342 0.8 180
Show 09227+7020 DAM1609 AC 119 4.5 180
Show 09220+7019 DAM1603 251 1.6 182
Show 09427+7004 LDS1698 BC 36 34.0 184
Show 09296+7606 LOC 261 127 1.9 185
Show 09427+7004 OSV 3 AB 77 88.7 185
Show 09260+7603 KPP1944 203 15.3 185
Show 09380+7610 HDS1388 132 0.6 185
Show 09396+7611 LOC 260 320 16.7 186
Show 09471+7001 TDS6808 147 0.6 189
Show 09464+6956 DAM1732 83 3.3 193
Show 09472+7618 LOC 270 327 6.6 197
Show 09571+7004 TDS 561 106 0.9 203
Show 09460+7643 STF1373 137 2.2 221
Show 09579+7637 TOK 668 259 5.3 226
Show 09389+6917 A 1084 243 3.5 228
Show 09201+7644 HDS1344 153 0.2 231
Show 09565+6932 LDS2581 76 36.4 231
Show 09512+7654 MLR 525 13 1.7 235

 
 
WDS 09379+7305 : COMPONENTS
 
 
  A
B pa=157.2°
sep=3.04"
 
 
09379+7305 A
 
 
Componente originario normalizzato AB Name HD 82685 Coord arcsec 2000 093756.18+730449.5 Mag 7.03
Spectral class F1V (yellow-white) PmRA -42.00 PmDE -20.0 SAO 6915
HIP 47260 Tycho2 4389-01563-1 HD 82685 HR 3806
GC 13252 ADS 7446 BD BD+73 470
Tycho2
Tycho2 4389-01563-1 Pflag RAmdeg 144.48407472 DEmdeg 73.08042354
PmRA -54.7 PmDE -10.8 E RAmdeg 5 E DEmdeg 4
E pmRA 1.9 E pmDE 2.0 EpRAm 1991.56 EpDEm 1991.65
Num 3 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.3
Q pmDE 1.1 BTmag 7.391 E BTmag 0.015 VTmag 7.033
E VTmag 0.010 Prox 50 TYC T HIP 47260
CCDM A RAdeg 144.48451139 DEdeg 73.08044861 EpRA 1990 1.63
EpDE 1990 1.69 E RAdeg 4.6 E DEdeg 4.2 Posflg
Corr -0.4
SAO
SAO 6915 DelFlag RA1950 PmRA1950 -0.0095
DE1950 PmDE1950 -0.029 Vmag 7.2 SpType F0
Double code Source 70 CatNum 13252 DM BD+73 470
DMcomp BDsup HD 82685 M HD 0
GC 13252 RA1950rad 2.5011033 DE1950rad 1.27942508 PmRA2000 -0.0094
PmDE2000 -0.026
Hipparcos
Catalog H HIP 47260 Proxy H RAhms 09 37 56.29
DEdms +73 04 49.6 Vmag 6.39 VarFlag R Vmag H
RAdeg 144.485 DEdeg 73.0804 AstroRef A Plx 14.37
CCDM 09379+7305 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 126 Rho 4.952 HD 82685 BD BD+73 470
CD CP Dm number +73 470 VIred 0.38
SpType F2V+... R SpType Coord arcsec 2000 093756.29+730449.6
Hipparcos 2
HIP 47260 Sn 15 So 3 Nc 2
RArad 2.5217308271 DErad 1.275494352 Plx 14.08 PmRA -42.66
PmDE -20.23 E RArad 0.57 E DErad 0.56 E Plx 0.8
E pmRA 0.73 E pmDE 0.65 Hpmag 6.4758 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.352 E BV 0.007
VI 0.41
CCDM
Ccdm 09379+7305 RComp Comp A Note1
Note2 Discov num DRAs 2.27 DDEs -10.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp F0 PmNote *
PmRA -39 PmDE -28 Dm number +73 470 Cat1 BD
Name2 6915 Cat2 SAO HD 82685 M HD
ADS BDS A 7446 M ADS BDS N IDS IDS 09284N7332A
HIC 47260
 
 
09379+7305 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 093756.45+730446.7 Mag 7.2 Spectral class F2V (yellow-white)
PmRA -14.00 PmDE -42.0 Calc delta mag 0.17 Calc coord yes
CCDM
Ccdm 09379+7305 RComp Comp B Note1
Note2 Discov num STF1362 DRAs DDEs
R dRAs Year 1836 Theta 129 Rho 4.9
Obs 99 Vmag 7.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7446 M ADS BDS N IDS IDS 09284N7332B
HIC 47260