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Doubles in session


Current system
17326+3445
HU 1181
HD 159304


Nearby doubles
22' : 17311+3533
POP 20

27' : 17311+3504
RAO 374

32' : 17302+3434
TDT 386

36' : 17354+3443
COU 995

36' : 17332+3520
A 1878

39' : 17305+3514
GRV1231

40' : 17295+3456
STF2178AB

50' : 17286+3455
TDT 373

50' : 17316+3533
POP 175

51' : 17299+3407
KPP 398

57' : 17345+3354
SKF1763

61' : 17295+3532
CVR1701

72' : 17316+3334
OSW 31

76' : 17387+3438
KPP4048

78' : 17281+3539
DAM 682

78' : 17316+3601
ES 2229

80' : 17317+3604
ES 2230

83' : 17273+3354
CVR 201

93' : 17251+3444
SHY 719AB

95' : 17266+3546
STF2168

97' : 17404+3446
POP 12

101' : 17278+3607
AG 209

101' : 17380+3330
JNN 115

102' : 17261+3550
ES 2228

106' : 17384+3602
TDT 446

110' : 17239+3420
GRV 951



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.

17326+3445 HU 1181 (HD 159304)

 
 
17h 32m 34.08s +34° 44' 47.6" P.A. 323.00 sep 0.1 mag 8.62,9.11 Sp G0 dist. 61.96 pc (202.11 l.y.)
 
 
Coord 2000 17326+3445 Discov num HU 1181 Comp Coord arcsec 2000 17 32 34.08 +34 44 47.6
Date first 1904 Date last 2012 Obs 45
Pa first 331 Pa last 323 P.A. Now (θ) 152.1°
Sep first 0.2 Sep last 0.113 Sep. Now (ρ) 0.182"
Mag pri 8.62 Mag sec 9.11 delta mag (ΔM) 0.49 Spectral class G0 (yellow)
Pri motion ra +037 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 159304 Constellation Hercules SAO 66127 HIP 85846
Tycho2 2613-00891-1 Gaia DR2 1335897698512788224 HD 159304 GC 23786
ADS 10624 BD BD+34 2990 Distance 61.96 Distance ly 202.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)23.3y Periastron (T)1992y Semi-major axis (a)0.16a
Eccentricity (e)0.26 Inclination (i)70° Longitude of periastron (ω)205°
Node (Ω)157° Notesn ReferenceSod1999
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 153.3 0.186
2001 156.8 0.195
2002 160.2 0.197
2003 163.7 0.192
2004 167.4 0.180
2005 171.8 0.163
2006 177.5 0.142
2007 185.4 0.116
2008 198.0 0.089
2009 220.6 0.066
2010 257.3 0.057
2011 291.6 0.070
2012 311.9 0.093
2013 324.3 0.112
2014 333.7 0.121
2015 342.9 0.114
2016 355.2 0.091
2017 19.3 0.060
2018 72.6 0.047
2019 115.6 0.071
2020 133.1 0.106
2021 142.0 0.138
2022 147.7 0.164
2023 152.1 0.182
2024 155.8 0.193
2025 159.2 0.197
2026 162.6 0.194
2027 166.3 0.184
2028 170.4 0.169
2029 175.6 0.149
2030 182.6 0.124


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


 
  


wds17326%2B3445a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17326+3445 HU 1181 (HD 159304) : NOTES
 
 
discov_num notes refcode
HU 1181 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.79 +/- 0.33, 2.12, and 1.05 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17326+3445 HU 1181 1996 43 316 0.1 8.62 9.11 G0 NOD 173234.08+344447.6
17326+3445 HU 1181 2012 44 323 0.1 8.62 9.11 G0 NOD 173234.08+344447.6

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

 
 
WDS 17326+3445 HU 1181 (HD 159304) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17326+3445 HU 1181 (HD 159304) : MEASURES
 
 
No records found.

 
 
WDS 17326+3445 (HD 159304) : VIRTUAL EYEPIECE
 
 

17326+3445 HU 1181A mag 8.62 Sp G0 17326+3445 HU 1181B sep 0.1 P.A. 328.20 mag 9.11 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 17326+3445 (HD 159304) : ALADIN DSS IMAGE @ 17h 32m 34.08s +34° 44' 47.6"
 
 
 
 
WDS 17326+3445 HU 1181 (HD 159304) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17326+3445 HU 1181 distance=0' 17311+3533 POP 20 distance=22' 17311+3504 RAO 374 distance=27' 17302+3434 TDT 386 distance=32' 17354+3443 COU 995 distance=36' 17332+3520 A 1878 distance=36' 17305+3514 GRV1231 distance=39' 17295+3456 STF2178AB distance=40' 17295+3456 WAL 81AC distance=40' 17286+3455 TDT 373 distance=50' 17316+3533 POP 175 distance=50' 17299+3407 KPP 398 distance=51' 17345+3354 SKF1763 distance=57' 17295+3532 CVR1701 distance=61' 17316+3334 OSW 31 distance=72' 17387+3438 KPP4048 distance=76' 17281+3539 DAM 682 distance=78' 17316+3601 ES 2229 distance=78' 17317+3604 ES 2230 distance=80' 17273+3354 CVR 201 distance=83' 17251+3444 HU 922Aa,Ab distance=93' 17251+3444 SHY 719AB distance=93' 17266+3546 STF2168 distance=95' 17404+3446 POP 12 distance=97' 17278+3607 AG 209 distance=101' 17380+3330 JNN 115 distance=101' 17261+3550 ES 2228 distance=102' 17384+3602 TDT 446 distance=106' 17239+3420 GRV 951 distance=110' 17262+3604 GRV1230 distance=112' 17386+3613 LDS4758 distance=114' 17380+3623 TDT 443 distance=119' 17316+3644 CVR1702 distance=120' 17270+3306 CBL 517 distance=121' 17424+3504 KPP4052 distance=122' 17272+3630 TDT 361 distance=125' 17294+3245 STF2174 distance=126' 17234+3545 ALI 137 distance=127' 17294+3243 STF2175 distance=129' 17365+3243 SEI 543AB distance=132' 17365+3243 WAL 84AC distance=132' 17435+3453 COU 997 distance=136' 17436+3446 STT 334 distance=136' 17426+3347 TDT 473 distance=137' 17285+3657 COU1143 distance=142' 17437+3409 KPP4056 distance=143' 17434+3357 HO 560AB distance=143' 17434+3357 HO 560AC distance=143' 17424+3605 CBL 71 distance=145' 17272+3235 TDT 362 distance=146' 17302+3222 COU 806 distance=146' 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 17326+3445 HU 1181 323 0.1
Show 17311+3533 POP 20 7 10.4 22
Show 17311+3504 RAO 374 282 3.4 27
Show 17302+3434 TDT 386 135 2.8 32
Show 17354+3443 COU 995 335 0.4 36
Show 17332+3520 A 1878 284 2.9 36
Show 17305+3514 GRV1231 305 14.8 39
Show 17295+3456 STF2178 AB 128 10.6 40
Show 17295+3456 WAL 81 AC 346 113.4 40
Show 17286+3455 TDT 373 130 0.5 50
Show 17316+3533 POP 175 26 9.1 50
Show 17299+3407 KPP 398 122 4.7 51
Show 17345+3354 SKF1763 19 3.6 57
Show 17295+3532 CVR1701 243 4.8 61
Show 17316+3334 OSW 31 255 16.8 72
Show 17387+3438 KPP4048 338 3.4 76
Show 17281+3539 DAM 682 164 8.6 78
Show 17316+3601 ES 2229 34 3.7 78
Show 17317+3604 ES 2230 92 9.6 80
Show 17273+3354 CVR 201 353 52.9 83
Show 17251+3444 HU 922 Aa,Ab 30 0.3 93
Show 17251+3444 SHY 719 AB 289 999.9 93
Show 17266+3546 STF2168 203 2.3 95
Show 17404+3446 POP 12 301 3.7 97
Show 17278+3607 AG 209 188 34.1 101
Show 17380+3330 JNN 115 151 1.0 101
Show 17261+3550 ES 2228 32 4.9 102
Show 17384+3602 TDT 446 51 0.8 106
Show 17239+3420 GRV 951 193 39.2 110
Show 17262+3604 GRV1230 99 11.7 112
Show 17386+3613 LDS4758 158 24.6 114
Show 17380+3623 TDT 443 186 0.9 119
Show 17316+3644 CVR1702 347 3.6 120
Show 17270+3306 CBL 517 312 39.9 121
Show 17424+3504 KPP4052 327 22.0 122
Show 17272+3630 TDT 361 320 2.6 125
Show 17294+3245 STF2174 331 5.4 126
Show 17234+3545 ALI 137 162 13.0 127
Show 17294+3243 STF2175 9 13.3 129
Show 17365+3243 SEI 543 AB 178 7.3 132
Show 17365+3243 WAL 84 AC 94 34.5 132
Show 17435+3453 COU 997 35 0.2 136
Show 17436+3446 STT 334 356 15.1 136
Show 17426+3347 TDT 473 216 2.0 137
Show 17285+3657 COU1143 244 0.4 142
Show 17437+3409 KPP4056 131 1.7 143
Show 17434+3357 HO 560 AB 264 1.3 143
Show 17434+3357 HO 560 AC 258 52.5 143
Show 17424+3605 CBL 71 195 26.8 145
Show 17272+3235 TDT 362 156 0.3 146
Show 17302+3222 COU 806 102 5.6 146

 
 
WDS 17326+3445 : COMPONENTS
 
 
  A
B pa=328.2°
sep=0.11"
 
 
17326+3445 A
 
 
Componente originario normalizzato AB Name HD 159304 Coord arcsec 2000 173234.08+344447.6 Mag 8.62
Spectral class G0 (yellow) PmRA 37.00 PmDE 5.0 SAO 66127
HIP 85846 Tycho2 2613-00891-1 HD 159304 GC 23786
BD BD+34 2990
Tycho2
Tycho2 2613-00891-1 Pflag RAmdeg 263.14210858 DEmdeg 34.74656870
PmRA 32.7 PmDE 10.8 E RAmdeg 5 E DEmdeg 5
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.37 EpDEm 1991.44
Num 11 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.5 BTmag 8.611 E BTmag 0.016 VTmag 8.032
E VTmag 0.011 Prox 999 TYC T HIP 85846
CCDM AB RAdeg 263.14201639 DEdeg 34.74654389 EpRA 1990 1.64
EpDE 1990 1.70 E RAdeg 5.2 E DEdeg 5.0 Posflg P
Corr -0.1
SAO
SAO 66127 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 0.021 Vmag 7.8 SpType G0
Double code Source 70 CatNum 23786 DM BD+34 2990
DMcomp BDsup HD 159304 M HD 0
GC 23786 RA1950rad 4.58484511 DE1950rad 0.60703988 PmRA2000 0.0017
PmDE2000 0.023
Hipparcos
Catalog H HIP 85846 Proxy H RAhms 17 32 34.08
DEdms +34 44 47.6 Vmag 7.97 VarFlag R Vmag G
RAdeg 263.142 DEdeg 34.7465 AstroRef * Plx 16.81
CCDM 17326+3445 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 162 Rho 0.126 HD 159304 BD BD+34 2990
CD CP Dm number +34 2990 VIred 0.65
SpType G0 R SpType Coord arcsec 2000 173234.08+344447.6
Hipparcos 2
HIP 85846 Sn 55 So 3 Nc 2
RArad 4.5926945502 DErad 0.6064415883 Plx 16.14 PmRA 30.07
PmDE 9.22 E RArad 0.51 E DErad 0.59 E Plx 0.66
E pmRA 0.56 E pmDE 0.75 Hpmag 8.0843 E Hpmag 0.0011
SHp 0.015 VA 0 BV 0.581 E BV 0.015
VI 0.65
CCDM
Ccdm 17326+3445 RComp Comp A Note1
Note2 Discov num DRAs -1.92 DDEs -13.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp G0 PmNote *
PmRA 21 PmDE -9 Dm number +34 2990 Cat1 BD
Name2 +34 1594 Cat2 AGK2/3 HD 159304 M HD
ADS BDS A10624 M ADS BDS N IDS IDS 17290N3449A
HIC 85846
 
 
17326+3445 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 173234.08+344447.7 Mag 9.11 Calc delta mag 0.49
Calc coord yes
CCDM
Ccdm 17326+3445 RComp Comp B Note1 *
Note2 Discov num HU 1181 DRAs DDEs
R dRAs Year 1960 Theta 190 Rho 0.1
Obs 14 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10624 M ADS BDS N N IDS IDS 17290N3449B
HIC 85846