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Doubles in session


Current system
17562+3926
BU 417
HD 163789


Nearby doubles
10' : 17554+3930
STF2246

22' : 17575+3942
COU1457

25' : 17541+3928
HLM 9

27' : 17540+3936
KPP 883

29' : 17537+3924
TDT 560

35' : 17592+3926
COU1458

38' : 17538+3951
SLW1216

46' : 17525+3943
COU1302

48' : 17533+4000
BU 130

66' : 17506+3932
COU1301

78' : 18017+4011
STF2267

79' : 17496+3947
GRV 965

81' : 18015+4019
HO 77

82' : 18032+3926
MLB 851

82' : 17528+4038
TDT 552

83' : 18033+3921
STF2275

88' : 17592+3806
DAM 99

88' : 17512+3821
HU 1183

90' : 17597+3807
DAM 102

92' : 17596+3804
DAM 101

92' : 17594+3803
DAM 100

92' : 18040+3923
L 19

94' : 18038+3857
LDS4773AB

94' : 17553+3753
GRV 969

96' : 17579+3741
ROE 4

96' : 17595+3803
ES 2478



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.

17562+3926 BU 417 (HD 163789)

 
 
17h 56m 12.06s +39° 26' 20.8" P.A. 317.00 sep 1.0 mag 8.28,10.08 Sp G0 dist. 93.55 pc (305.16 l.y.)
 
 
Coord 2000 17562+3926 Discov num BU  417 Comp Coord arcsec 2000 17 56 12.06 +39 26 20.8
Date first 1877 Date last 2016 Obs 36
Pa first 270 Pa last 316.5 P.A. Now (θ) 316.5°
Sep first 1.6 Sep last 0.99 Sep. Now (ρ) 0.99"
Mag pri 8.28 Mag sec 10.08 delta mag (ΔM) 1.8 Spectral class G0 (yellow)
Pri motion ra +086 Sec motion ra +086
Pri motion dec -047 Sec motion dec -047
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 163789 Constellation Hercules SAO 66487 HIP 87802
Tycho2 3093-01857-1 Gaia DR2 4611031534137064832 HD 163789 ADS 10911
BD BD+39 3274 Distance 93.55 Distance ly 305.16
 
 
ORBITAL ELEMENTS
 
 
Period (P)938.7625y± 483.7501 Periastron (T)2043.974y± 13.6771 Semi-major axis (a)2.59639a± 1.2814
Eccentricity (e)0.85587± 0.12011 Inclination (i)63.553°± 12.49 Longitude of periastron (ω)258.543°± 9.447
Node (Ω)155.636°± 16.497 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 308.6 1.068
2001 309.2 1.060
2002 309.7 1.051
2003 310.2 1.042
2004 310.8 1.034
2005 311.4 1.024
2006 311.9 1.015
2007 312.5 1.005
2008 313.1 0.995
2009 313.7 0.985
2010 314.3 0.975
2011 315.0 0.964
2012 315.6 0.953
2013 316.3 0.941
2014 317.0 0.929
2015 317.7 0.917
2016 318.4 0.904
2017 319.1 0.891
2018 319.9 0.877
2019 320.7 0.863
2020 321.5 0.848
2021 322.3 0.833
2022 323.2 0.817
2023 324.1 0.800
2024 325.1 0.783
2025 326.1 0.764
2026 327.1 0.745
2027 328.2 0.725
2028 329.4 0.704
2029 330.6 0.681
2030 331.9 0.657


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


 
  


wds17562%2B3926a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17562+3926 BU 417 (HD 163789) : 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 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17562+3926 BU 417 1996 32 308 1.1 8.28 10.08 G0 D 175612.06+392620.8
17562+3926 BU 417 2013 34 315 0.9 8.28 10.08 G0 175612.06+392620.8
17562+3926 BU 417 2015 35 319 0.9 8.28 10.08 G0 175612.06+392620.8
17562+3926 BU 417 2016 36 317 1.0 8.28 10.08 G0 O 175612.06+392620.8

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

 
 
WDS 17562+3926 BU 417 (HD 163789) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17562+3926 BU 417 (HD 163789) : MEASURES
 
 
No records found.

 
 
WDS 17562+3926 (HD 163789) : VIRTUAL EYEPIECE
 
 

17562+3926 BU 417A mag 8.28 Sp G0 17562+3926 BU 417B sep 0.9 P.A. 323.80 mag 10.08 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 17562+3926 (HD 163789) : ALADIN DSS IMAGE @ 17h 56m 12.06s +39° 26' 20.8"
 
 
 
 
WDS 17562+3926 BU 417 (HD 163789) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17562+3926 BU 417 distance=1' 17554+3930 STF2246 distance=10' 17575+3942 COU1457 distance=22' 17541+3928 HLM 9 distance=25' 17540+3936 KPP 883 distance=27' 17537+3924 TDT 560 distance=29' 17592+3926 COU1458 distance=35' 17538+3951 SLW1216 distance=38' 17525+3943 COU1302 distance=46' 17533+4000 BU 130 distance=48' 17506+3932 COU1301 distance=66' 18017+4011 STF2267 distance=78' 17496+3947 GRV 965 distance=79' 18015+4019 HO 77 distance=81' 18032+3926 MLB 851 distance=82' 17528+4038 TDT 552 distance=82' 18033+3921 STF2275 distance=83' 17592+3806 DAM 99 distance=88' 17512+3821 HU 1183 distance=88' 17597+3807 DAM 102 distance=90' 17596+3804 DAM 101 distance=92' 17594+3803 DAM 100 distance=92' 18040+3923 L 19 distance=92' 18038+3857 LDS4773AB distance=94' 17553+3753 GRV 969 distance=94' 17579+3741 ROE 4 distance=96' 17595+3803 ES 2478 distance=96' 17590+4058 BRT 345 distance=97' 17494+4028 COU1456 distance=100' 17523+4057 A 699 distance=102' 17550+4107 UC 3444 distance=102' 17555+4108 COU1601Aa,Ab distance=102' 17555+4108 ES 1557AB distance=102' 17555+4108 ES 1557AC distance=102' 17555+4108 ES 1557AD distance=102' 17555+4108 ABH 92AE distance=102' 17551+3745 OSO 89AB distance=103' 17551+3745 OSO 89AC distance=103' 17551+3745 OSO 89AD distance=103' 17487+3832 UC 3416 distance=104' 17578+3744 TOB 141 distance=105' 17548+4110 RAO 605 distance=105' 18028+3815 ALI 867 distance=106' 17572+4112 KPP4072 distance=106' 18018+4052 BVD 259 distance=107' 18035+4032 COU1785 distance=107' 18031+3805 J 757 distance=109' 17569+4115 STF2255 distance=110' 17474+4009 FMR 138 distance=110' 17592+4115 COU1783 distance=115' 17518+3756 ES 2568 distance=117' 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 17562+3926 BU 417 317 1.0 1
Show 17554+3930 STF2246 100 5.5 10
Show 17575+3942 COU1457 7 1.9 22
Show 17541+3928 HLM 9 285 5.3 25
Show 17540+3936 KPP 883 102 7.4 27
Show 17537+3924 TDT 560 198 2.5 29
Show 17592+3926 COU1458 78 0.4 35
Show 17538+3951 SLW1216 359 13.9 38
Show 17525+3943 COU1302 172 4.0 46
Show 17533+4000 BU 130 110 1.6 48
Show 17506+3932 COU1301 86 1.8 66
Show 18017+4011 STF2267 280 0.4 78
Show 17496+3947 GRV 965 249 16.8 79
Show 18015+4019 HO 77 312 2.0 81
Show 18032+3926 MLB 851 34 6.7 82
Show 17528+4038 TDT 552 226 1.3 82
Show 18033+3921 STF2275 124 0.3 83
Show 17592+3806 DAM 99 86 6.4 88
Show 17512+3821 HU 1183 191 0.5 88
Show 17597+3807 DAM 102 111 8.8 90
Show 17596+3804 DAM 101 80 5.1 92
Show 17594+3803 DAM 100 138 8.3 92
Show 18040+3923 L 19 274 0.2 92
Show 18038+3857 LDS4773 AB 304 72.4 94
Show 17553+3753 GRV 969 156 43.1 94
Show 17579+3741 ROE 4 164 11.3 96
Show 17595+3803 ES 2478 234 4.3 96
Show 17590+4058 BRT 345 138 2.8 97
Show 17494+4028 COU1456 275 1.4 100
Show 17523+4057 A 699 26 0.1 102
Show 17550+4107 UC 3444 130 12.0 102
Show 17555+4108 COU1601 Aa,Ab 63 0.5 102
Show 17555+4108 ES 1557 AB 11 11.5 102
Show 17555+4108 ES 1557 AC 216 27.0 102
Show 17555+4108 ES 1557 AD 312 40.1 102
Show 17555+4108 ABH 92 AE 324 71.1 102
Show 17551+3745 OSO 89 AB 117 20.7 103
Show 17551+3745 OSO 89 AC 74 21.3 103
Show 17551+3745 OSO 89 AD 26 23.8 103
Show 17487+3832 UC 3416 22 13.2 104
Show 17578+3744 TOB 141 356 16.8 105
Show 17548+4110 RAO 605 104 0.8 105
Show 18028+3815 ALI 867 246 11.4 106
Show 17572+4112 KPP4072 266 1.5 106
Show 18018+4052 BVD 259 277 10.6 107
Show 18035+4032 COU1785 30 0.2 107
Show 18031+3805 J 757 322 3.5 109
Show 17569+4115 STF2255 343 9.1 110
Show 17474+4009 FMR 138 319 63.1 110
Show 17592+4115 COU1783 47 2.8 115
Show 17518+3756 ES 2568 39 11.8 117

 
 
WDS 17562+3926 : COMPONENTS
 
 
  A
B pa=323.8°
sep=0.89"
 
 
17562+3926 A
 
 
Componente originario normalizzato AB Name HD 163789 Coord arcsec 2000 175612.06+392620.8 Mag 8.28
Spectral class G0 (yellow) PmRA 86.00 PmDE -47.0 SAO 66487
HIP 87802 Tycho2 3093-01857-1 HD 163789 BD BD+39 3274
Tycho2
Tycho2 3093-01857-1 Pflag P RAmdeg 269.05024824 DEmdeg 39.43910035
PmRA 85.7 PmDE -47.3 E RAmdeg 6 E DEmdeg 5
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.40 EpDEm 1991.55
Num 5 Q RAmdeg 0.8 Q DEmdeg 2.6 Q pmRA 0.8
Q pmDE 2.5 BTmag 8.822 E BTmag 0.016 VTmag 8.280
E VTmag 0.012 Prox 11 TYC T HIP 87802
CCDM A RAdeg 269.05001417 DEdeg 39.43919750 EpRA 1990 1.55
EpDE 1990 1.67 E RAdeg 5.7 E DEdeg 5.4 Posflg D
Corr 0.0
SAO
SAO 66487 DelFlag RA1950 PmRA1950 0.0072
DE1950 PmDE1950 -0.039 Vmag 8.1 SpType G0
Double code Source 5 CatNum 1733 DM BD+39 3274
DMcomp BDsup HD 163789 M HD 0
GC RA1950rad 4.68859702 DE1950rad 0.68845063 PmRA2000 0.0076
PmDE2000 -0.038
Hipparcos
Catalog H HIP 87802 Proxy H RAhms 17 56 12.00
DEdms +39 26 21.1 Vmag 8.04 VarFlag R Vmag H
RAdeg 269.05 DEdeg 39.4392 AstroRef A Plx 11.99
CCDM 17562+3926 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 303 Rho 1.169 HD 163789 BD BD+39 3274
CD CP Dm number +39 3274 VIred 0.58
SpType G0 R SpType Coord arcsec 2000 175612.00+392621.1
Hipparcos 2
HIP 87802 Sn 15 So 3 Nc 2
RArad 4.6958084415 DErad 0.688343974 Plx 10.69 PmRA 80.19
PmDE -42.08 E RArad 0.55 E DErad 0.7 E Plx 0.7
E pmRA 0.69 E pmDE 0.79 Hpmag 8.1555 E Hpmag 0.0016
SHp 0.015 VA 0 BV 0.5 E BV 0.495
VI 0.58
CCDM
Ccdm 17562+3926 RComp Comp A Note1
Note2 Discov num DRAs -0.01 DDEs 20.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp G0 PmNote *
PmRA 73 PmDE -51 Dm number +39 3274 Cat1 BD
Name2 +39 1733 Cat2 AGK2/3 HD 163789 M HD
ADS BDS A10911 M ADS BDS N IDS IDS 17529N3927A
HIC 87802
 
 
17562+3926 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175612.01+392621.5 Mag 10.08 PmRA 86.00
PmDE -47.0 Tycho2 3093-01857-2 Calc delta mag 1.8 Calc coord yes
Tycho2
Tycho2 3093-01857-2 Pflag P RAmdeg 269.05024824 DEmdeg 39.43910035
PmRA 85.7 PmDE -47.3 E RAmdeg 6 E DEmdeg 5
E pmRA 1.8 E pmDE 1.7 EpRAm 1991.40 EpDEm 1991.55
Num 5 Q RAmdeg 0.8 Q DEmdeg 2.6 Q pmRA 0.8
Q pmDE 2.5 BTmag 10.879 E BTmag 0.040 VTmag 10.084
E VTmag 0.029 Prox 11 TYC HIP 87802
CCDM B RAdeg 269.04966944 DEdeg 39.43935944 EpRA 1990 1.54
EpDE 1990 1.66 E RAdeg 21.4 E DEdeg 19.6 Posflg D
Corr 0.0
CCDM
Ccdm 17562+3926 RComp Comp B Note1
Note2 Discov num BU 417 DRAs DDEs
R dRAs Year 1960 Theta 292 Rho 1.4
Obs 18 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10911 M ADS BDS N IDS IDS 17529N3927B
HIC 87802