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Doubles in session


Current system
17403+6341
STF 2218
HD 161285


Nearby doubles
15' : 17386+6332
FMR 136

19' : 17391+6323
NSN 695

26' : 17377+6323
HO 559

44' : 17462+6403
LDS2740AB

46' : 17394+6255
STI 826

59' : 17356+6430
BVD 331

71' : 17297+6351
LDS5227

80' : 17491+6248
LDS1454

82' : 17420+6500
LDS2738

82' : 17424+6501
ES 1910

86' : 17523+6414
KR 47

87' : 17453+6221
LDS1452

88' : 17471+6455
LDS2741

89' : 17391+6509
LDS2737

89' : 17390+6509
CVR 204

96' : 17307+6231
ES 1832

97' : 17483+6221
LDS1453

97' : 17262+6311
HO 68

101' : 17534+6432
CVR 865

101' : 17444+6204
STI 829

105' : 17299+6224
LDS1447

105' : 17460+6519
LDS2739

111' : 17486+6206
STI 830

115' : 17350+6153
BU 962AB

121' : 17222+6345
ES 182

123' : 17570+6436
MLB 211



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.

17403+6341 STF 2218 (HD 161285)

 
 
17h 40m 18.07s +63° 40' 31.4" P.A. 310.00 sep 1.5 mag 7.08,8.37 Sp F8V dist. 68.49 pc (223.41 l.y.)
 
 
Coord 2000 17403+6341 Discov num STF2218 Comp Coord arcsec 2000 17 40 18.07 +63 40 31.4
Date first 1831 Date last 2016 Obs 169
Pa first 0 Pa last 309.5 P.A. Now (θ) 309.5°
Sep first 2.8 Sep last 1.473 Sep. Now (ρ) 1.473"
Mag pri 7.08 Mag sec 8.37 delta mag (ΔM) 1.29 Spectral class F8V (yellow-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec +140 Sec motion dec +140
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161285 Constellation Draco SAO 17599 HIP 86482
Tycho2 4203-01438-1 Gaia DR2 1440606660430810240 HD 161285 GC 24017
ADS 10728 BD BD+63 1371 Distance 68.49 Distance ly 223.41
 
 
ORBITAL ELEMENTS
 
 
Period (P)1051.1579y± 490.04 Periastron (T)2080.8913y± 23.2432 Semi-major axis (a)3.04833a± 1.33201
Eccentricity (e)0.82722± 0.14405 Inclination (i)120.982°± 13.732 Longitude of periastron (ω)254.754°± 10.937
Node (Ω)93.827°± 22.742 Notes ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 315.7 1.546
2001 315.3 1.540
2002 314.9 1.534
2003 314.5 1.527
2004 314.1 1.521
2005 313.7 1.514
2006 313.3 1.508
2007 312.9 1.501
2008 312.5 1.494
2009 312.1 1.487
2010 311.7 1.480
2011 311.3 1.473
2012 310.8 1.466
2013 310.4 1.459
2014 310.0 1.452
2015 309.5 1.444
2016 309.1 1.437
2017 308.6 1.429
2018 308.2 1.422
2019 307.7 1.414
2020 307.3 1.406
2021 306.8 1.398
2022 306.3 1.390
2023 305.9 1.382
2024 305.4 1.374
2025 304.9 1.365
2026 304.4 1.357
2027 303.9 1.348
2028 303.4 1.339
2029 302.9 1.330
2030 302.3 1.321


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


 
  


wds17403%2B6341b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17403+6341 STF 2218 (HD 161285) : 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
17403+6341 STF2218 2004 164 313 1.5 7.08 8.37 F8V D 174018.07+634031.4
17403+6341 STF2218 2010 168 311 1.5 7.08 8.37 F8V D 174018.07+634031.4
17403+6341 STF2218 2013 174 309 1.4 7.08 8.37 F8V D 174018.07+634031.4
17403+6341 STF2218 2014 165 313 1.4 7.08 8.37 F8V D 174018.07+634031.4
17403+6341 STF2218 2015 168 310 1.5 7.08 8.37 F8V O 174018.07+634031.4
17403+6341 STF2218 2016 169 310 1.5 7.08 8.37 F8V O 174018.07+634031.4

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

 
 
WDS 17403+6341 STF 2218 (HD 161285) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17403+6341 STF 2218 (HD 161285) : MEASURES
 
 
No records found.

 
 
WDS 17403+6341 (HD 161285) : VIRTUAL EYEPIECE
 
 

17403+6341 STF2218A mag 7.08 Sp F8V 17403+6341 STF2218B sep 1.1 P.A. 331.70 mag 8.37 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 17403+6341 (HD 161285) : ALADIN DSS IMAGE @ 17h 40m 18.07s +63° 40' 31.4"
 
 
 
 
WDS 17403+6341 STF 2218 (HD 161285) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17403+6341 STF2218 distance=1' 17386+6332 FMR 136 distance=15' 17391+6323 NSN 695 distance=19' 17377+6323 HO 559 distance=26' 17462+6403 LDS2740AB distance=44' 17462+6403 LDS2740Aa,Ab distance=44' 17394+6255 STI 826 distance=46' 17356+6430 BVD 331 distance=59' 17297+6351 LDS5227 distance=71' 17491+6248 LDS1454 distance=80' 17420+6500 LDS2738 distance=82' 17424+6501 ES 1910 distance=82' 17523+6414 KR 47 distance=86' 17453+6221 LDS1452 distance=87' 17471+6455 LDS2741 distance=88' 17391+6509 LDS2737 distance=89' 17390+6509 CVR 204 distance=89' 17307+6231 ES 1832 distance=96' 17483+6221 LDS1453 distance=97' 17262+6311 HO 68 distance=97' 17534+6432 CVR 865 distance=101' 17444+6204 STI 829 distance=101' 17299+6224 LDS1447 distance=105' 17460+6519 LDS2739 distance=105' 17486+6206 STI 830 distance=111' 17350+6153 BU 962AB distance=115' 17350+6153 LDS2736AB,C distance=115' 17350+6153 SDR 1AB,D distance=115' 17350+6153 HZE 3AE distance=115' 17222+6345 ES 182 distance=121' 17570+6436 MLB 211 distance=123' 17413+6136 STF2219 distance=125' 17524+6520 LDS2742 distance=126' 17563+6237 STTA163AB distance=127' 17563+6237 STTA163AC distance=127' 17563+6237 STTA163BC distance=127' 17592+6409 STF2273BC distance=128' 17592+6409 STF2273AB distance=128' 17592+6409 STF2273AD distance=128' 17592+6409 STF2273AC distance=128' 17246+6226 LDS1445 distance=131' 17205+6315 ES 1909 distance=136' 17210+6444 GRV1135 distance=137' 17537+6528 GIC9021 distance=139' 17568+6219 STI 835 distance=139' 17405+6120 STI 827 distance=141' 17527+6540 SLW1215 distance=144' 17387+6114 HOM 1Aa,Ab distance=147' 17387+6114 LAF 58AB distance=147' 17387+6114 LAF 58AC distance=147' 17387+6114 VVO 17AD distance=147' 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 17403+6341 STF2218 310 1.5 1
Show 17386+6332 FMR 136 280 14.3 15
Show 17391+6323 NSN 695 248 1.1 19
Show 17377+6323 HO 559 298 4.2 26
Show 17462+6403 LDS2740 AB 113 11.2 44
Show 17462+6403 LDS2740 Aa,Ab 68 1.2 44
Show 17394+6255 STI 826 213 4.0 46
Show 17356+6430 BVD 331 27 25.4 59
Show 17297+6351 LDS5227 288 193.5 71
Show 17491+6248 LDS1454 208 16.7 80
Show 17420+6500 LDS2738 291 7.9 82
Show 17424+6501 ES 1910 54 5.1 82
Show 17523+6414 KR 47 202 7.6 86
Show 17453+6221 LDS1452 113 10.3 87
Show 17471+6455 LDS2741 144 23.1 88
Show 17391+6509 LDS2737 125 3.4 89
Show 17390+6509 CVR 204 109 17.5 89
Show 17307+6231 ES 1832 158 3.3 96
Show 17483+6221 LDS1453 177 12.5 97
Show 17262+6311 HO 68 227 2.0 97
Show 17534+6432 CVR 865 315 12.5 101
Show 17444+6204 STI 829 193 3.6 101
Show 17299+6224 LDS1447 37 24.9 105
Show 17460+6519 LDS2739 26 11.8 105
Show 17486+6206 STI 830 294 16.0 111
Show 17350+6153 BU 962 AB 301 0.6 115
Show 17350+6153 LDS2736 AB,C 160 737.9 115
Show 17350+6153 SDR 1 AB,D 259 20.0 115
Show 17350+6153 HZE 3 AE 359 3.0 115
Show 17222+6345 ES 182 18 4.4 121
Show 17570+6436 MLB 211 273 6.9 123
Show 17413+6136 STF2219 95 17.2 125
Show 17524+6520 LDS2742 150 3.5 126
Show 17563+6237 STTA163 AB 53 54.1 127
Show 17563+6237 STTA163 AC 353 215.5 127
Show 17563+6237 STTA163 BC 339 194.5 127
Show 17592+6409 STF2273 BC 271 22.4 128
Show 17592+6409 STF2273 AB 282 21.4 128
Show 17592+6409 STF2273 AD 336 14.8 128
Show 17592+6409 STF2273 AC 277 43.5 128
Show 17246+6226 LDS1445 68 91.8 131
Show 17205+6315 ES 1909 255 6.2 136
Show 17210+6444 GRV1135 197 14.7 137
Show 17537+6528 GIC9021 303 1.2 139
Show 17568+6219 STI 835 334 9.6 139
Show 17405+6120 STI 827 308 10.9 141
Show 17527+6540 SLW1215 256 9.5 144
Show 17387+6114 HOM 1 Aa,Ab 18 0.0 147
Show 17387+6114 LAF 58 AB 319 4.1 147
Show 17387+6114 LAF 58 AC 229 8.9 147
Show 17387+6114 VVO 17 AD 151 19.1 147

 
 
WDS 17403+6341 : COMPONENTS
 
 
  A
B pa=331.7°
sep=1.06"
 
 
17403+6341 A
 
 
Componente originario normalizzato AB Name HD 161285 Coord arcsec 2000 174018.07+634031.4 Mag 7.08
Spectral class F8V (yellow-white) PmRA 6.00 PmDE 140.0 SAO 17599
HIP 86482 Tycho2 4203-01438-1 HD 161285 GC 24017
BD BD+63 1371
Tycho2
Tycho2 4203-01438-1 Pflag P RAmdeg 265.07530406 DEmdeg 63.67539701
PmRA 5.8 PmDE 140.1 E RAmdeg 5 E DEmdeg 4
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.64 EpDEm 1991.70
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.4 BTmag 7.640 E BTmag 0.015 VTmag 7.084
E VTmag 0.010 Prox 16 TYC T HIP 86482
CCDM A RAdeg 265.07536111 DEdeg 63.67503111 EpRA 1990 1.72
EpDE 1990 1.75 E RAdeg 4.5 E DEdeg 4.4 Posflg D
Corr -0.1
SAO
SAO 17599 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 0.134 Vmag 7.1 SpType F5
Double code Source 70 CatNum 24017 DM BD+63 1371
DMcomp BDsup HD 161285 M HD 0
GC 24017 RA1950rad 4.62504171 DE1950rad 1.11172806 PmRA2000 0.0027
PmDE2000 0.134
Hipparcos
Catalog H HIP 86482 Proxy H RAhms 17 40 18.09
DEdms +63 40 30.0 Vmag 6.79 VarFlag R Vmag G
RAdeg 265.075 DEdeg 63.675 AstroRef A Plx 13.21
CCDM 17403+6341 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 319 Rho 1.602 HD 161285 BD BD+63 1371
CD CP Dm number +63 1371 VIred 0.63
SpType F5 R SpType Coord arcsec 2000 174018.09+634030.0
Hipparcos 2
HIP 86482 Sn 15 So 3 Nc 2
RArad 4.6264378469 DErad 1.1113385849 Plx 14.6 PmRA 6.23
PmDE 145.48 E RArad 0.41 E DErad 0.47 E Plx 0.44
E pmRA 0.41 E pmDE 0.55 Hpmag 6.8689 E Hpmag 0.001
SHp 0.008 VA 0 BV 0.559 E BV 0.014
VI 0.63
CCDM
Ccdm 17403+6341 RComp Comp A Note1
Note2 Discov num DRAs 0.00 DDEs -28.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.1 Sp F5 PmNote *
PmRA -10 PmDE 139 Dm number +63 1371 Cat1 BD
Name2 +63 913 Cat2 AGK2/3 HD 161285 M HD
ADS BDS A10728 M ADS BDS N IDS IDS 17397N6343A
HIC 86482
 
 
17403+6341 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174017.99+634032.3 Mag 8.37 PmRA 6.00
PmDE 140.0 Tycho2 4203-01438-2 Calc delta mag 1.29 Calc coord yes
Tycho2
Tycho2 4203-01438-2 Pflag P RAmdeg 265.07530406 DEmdeg 63.67539701
PmRA 5.8 PmDE 140.1 E RAmdeg 5 E DEmdeg 4
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.64 EpDEm 1991.70
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.4 BTmag 9.089 E BTmag 0.019 VTmag 8.370
E VTmag 0.014 Prox 16 TYC HIP 86482
CCDM B RAdeg 265.07470444 DEdeg 63.67536833 EpRA 1990 1.71
EpDE 1990 1.75 E RAdeg 8.2 E DEdeg 7.6 Posflg D
Corr 0.0
CCDM
Ccdm 17403+6341 RComp Comp B Note1
Note2 Discov num STF2218 DRAs DDEs
R dRAs Year 1959 Theta 326 Rho 1.7
Obs 99 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10728 M ADS BDS N IDS IDS 17397N6343B
HIC 86482