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Doubles in session


Current system
17251+3444
HU 922 Aa,Ab


Nearby doubles
28' : 17239+3420
GRV 951

46' : 17286+3455
TDT 373

56' : 17295+3456
STF2178AB

57' : 17205+3439
POP 218

58' : 17273+3354
CVR 201

60' : 17202+3438
POP 203

64' : 17302+3434
TDT 386

65' : 17234+3545
ALI 137

66' : 17266+3546
STF2168

67' : 17281+3539
DAM 682

67' : 17261+3550
ES 2228

71' : 17299+3407
KPP 398

73' : 17295+3532
CVR1701

74' : 17305+3514
GRV1231

77' : 17311+3504
RAO 374

78' : 17216+3549
CBL 67

79' : 17311+3533
POP 20

81' : 17189+3510
UC 3322

82' : 17262+3604
GRV1230

84' : 17201+3541
SKF2822

90' : 17278+3607
AG 209

92' : 17186+3401
WIS 315AB

93' : 17222+3609
ES 2227

93' : 17326+3445
HU 1181

95' : 17316+3533
POP 175

101' : 17179+3533
SKF 762



Selections
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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.

17251+3444 HU 922 Aa,Ab

 
 
17h 25m 03.29s +34° 43' 55.4" P.A. 30.00 sep 0.3 mag 10.21,11.03 Sp G0 dist. 98.04 pc (319.81 l.y.)
 
 
Coord 2000 17251+3444 Discov num HU  922 Comp Aa,Ab Coord arcsec 2000 17 25 03.29 +34 43 55.4
Date first 1904 Date last 2016 Obs 31
Pa first 0 Pa last 30.4 P.A. Now (θ) 30.4°
Sep first 0.3 Sep last 0.275 Sep. Now (ρ) 0.275"
Mag pri 10.21 Mag sec 11.03 delta mag (ΔM) 0.82 Spectral class G0 (yellow)
Pri motion ra -003 Sec motion ra
Pri motion dec +005 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
17251+3444 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 25 03 +34 43 55 HU 922 Aa,Ab 2016 31 30 0.3 10.21 11.03 0.82 Y <===
Show 17 25 03 +34 43 55 SHY 719 AB 2002 4 289 999.9 9.73 10.55 0.82
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 85238 Tycho2 2613-01599-1 Gaia DR2 1335812417642326784
ADS 10542 BD BD+34 2962 Distance 98.04 Distance ly 319.81
 
 
ORBITAL ELEMENTS
 
 
Period (P)132.4y Periastron (T)1995.12y Semi-major axis (a)0.299a
Eccentricity (e)0.462 Inclination (i)137.6° Longitude of periastron (ω)58.1°
Node (Ω)203.1° Notesn ReferenceFMR2016b
Equinox2000 Last observation2013 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 103.9 0.128
2001 94.7 0.134
2002 86.3 0.142
2003 78.9 0.151
2004 72.4 0.161
2005 66.6 0.172
2006 61.5 0.183
2007 57.0 0.193
2008 53.0 0.204
2009 49.4 0.215
2010 46.1 0.225
2011 43.1 0.235
2012 40.3 0.245
2013 37.8 0.254
2014 35.4 0.263
2015 33.2 0.272
2016 31.1 0.280
2017 29.1 0.288
2018 27.2 0.295
2019 25.4 0.302
2020 23.7 0.309
2021 22.1 0.315
2022 20.5 0.321
2023 19.0 0.326
2024 17.5 0.332
2025 16.1 0.336
2026 14.7 0.341
2027 13.4 0.345
2028 12.0 0.349
2029 10.7 0.353
2030 9.5 0.356


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


 
  


wds17251%2B3444b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17251+3444 HU 922 Aa,Ab : NOTES
 
 
discov_num notes refcode
HU 922 Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 5.14 +/- 2.29, 1.89, and 1.05 Msun, respectively. Mlk2012
SHY 719 AB: HIP 85238 + HIP 83811. B component = A component of 17075+3557.
 
 
REFERENCES
 
 
refcode metd author reference
FMR2016b orb - Rica Romero, F.M. 2016IAUDS.189....1R
FMR2016b Inf. Circ. 189, 1, 2016
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
58 SHY Shaya, E.J. & Olling, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17251+3444 HU 922 Aa,Ab 2009 21 225 0.2 10.21 11.03 G0 NO 172503.29+344355.4
17251+3444 HU 922 Aa,Ab 2010 26 47 0.2 10.21 11.03 G0 NO 172503.29+344355.4
17251+3444 HU 922 Aa,Ab 2016 27 30 0.3 10.21 11.03 G0 NO 172503.29+344355.4

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

 
 
WDS 17251+3444 HU 922 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17251+3444 HU 922 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 17251+3444 : VIRTUAL EYEPIECE
 
 

17251+3444 SHY 719A mag 9.73 Sp G0 17251+3444 HU 922Ab sep 0.3 P.A. 25.70 mag 11.03 17251+3444 SHY 719B sep 8383.2 P.A. 292.60 mag 10.55 Sp F8 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 17251+3444 : ALADIN DSS IMAGE @ 17h 25m 03.29s +34° 43' 55.4"
 
 
 
 
WDS 17251+3444 HU 922 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17251+3444 HU 922Aa,Ab distance=0' 17239+3420 GRV 951 distance=28' 17286+3455 TDT 373 distance=46' 17295+3456 STF2178AB distance=56' 17295+3456 WAL 81AC distance=56' 17205+3439 POP 218 distance=57' 17273+3354 CVR 201 distance=58' 17202+3438 POP 203 distance=60' 17302+3434 TDT 386 distance=64' 17234+3545 ALI 137 distance=65' 17266+3546 STF2168 distance=66' 17281+3539 DAM 682 distance=67' 17261+3550 ES 2228 distance=67' 17299+3407 KPP 398 distance=71' 17295+3532 CVR1701 distance=73' 17305+3514 GRV1231 distance=74' 17311+3504 RAO 374 distance=77' 17216+3549 CBL 67 distance=78' 17311+3533 POP 20 distance=79' 17189+3510 UC 3322 distance=81' 17262+3604 GRV1230 distance=82' 17201+3541 SKF2822 distance=84' 17278+3607 AG 209 distance=90' 17186+3401 WIS 315AB distance=92' 17186+3401 NSN 689Aa,Ab distance=92' 17222+3609 ES 2227 distance=93' 17326+3445 HU 1181 distance=93' 17316+3533 POP 175 distance=95' 17179+3533 SKF 762 distance=101' 17270+3306 CBL 517 distance=101' 17176+3532 SKF 763 distance=104' 17167+3504 POP1234AB distance=105' 17167+3504 POP1234AC distance=105' 17177+3537 COU 993Aa,Ab distance=105' 17177+3537 HO 67AB distance=105' 17239+3627 STF2162 distance=105' 17239+3300 LDS5854 distance=105' 17165+3448 POP 77AB distance=106' 17165+3448 POP 77AC distance=106' 17165+3448 POP 77CD distance=106' 17332+3520 A 1878 distance=107' 17195+3322 TDT 304 distance=107' 17316+3334 OSW 31 distance=108' 17163+3458 COU1141 distance=109' 17272+3630 TDT 361 distance=110' 17316+3601 ES 2229 distance=112' 17317+3604 ES 2230 distance=115' 17156+3415 SLW1208 distance=121' 17222+3247 COU 626 distance=122' 17172+3603 CVR 199 distance=125' 17224+3646 J 1131 distance=127' 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 17251+3444 HU 922 Aa,Ab 30 0.3
Show 17251+3444 SHY 719 AB 289 999.9
Show 17239+3420 GRV 951 193 39.2 28
Show 17286+3455 TDT 373 130 0.5 46
Show 17295+3456 STF2178 AB 128 10.6 56
Show 17295+3456 WAL 81 AC 346 113.4 56
Show 17205+3439 POP 218 89 30.7 57
Show 17273+3354 CVR 201 353 52.9 58
Show 17202+3438 POP 203 209 3.8 60
Show 17302+3434 TDT 386 135 2.8 64
Show 17234+3545 ALI 137 162 13.0 65
Show 17266+3546 STF2168 203 2.3 66
Show 17281+3539 DAM 682 164 8.6 67
Show 17261+3550 ES 2228 32 4.9 67
Show 17299+3407 KPP 398 122 4.7 71
Show 17295+3532 CVR1701 243 4.8 73
Show 17305+3514 GRV1231 305 14.8 74
Show 17311+3504 RAO 374 282 3.4 77
Show 17216+3549 CBL 67 237 26.7 78
Show 17311+3533 POP 20 7 10.4 79
Show 17189+3510 UC 3322 138 26.7 81
Show 17262+3604 GRV1230 99 11.7 82
Show 17201+3541 SKF2822 276 89.3 84
Show 17278+3607 AG 209 188 34.1 90
Show 17186+3401 WIS 315 AB 203 743.5 92
Show 17186+3401 NSN 689 Aa,Ab 86 1.2 92
Show 17222+3609 ES 2227 177 4.8 93
Show 17326+3445 HU 1181 323 0.1 93
Show 17316+3533 POP 175 26 9.1 95
Show 17179+3533 SKF 762 262 4.4 101
Show 17270+3306 CBL 517 312 39.9 101
Show 17176+3532 SKF 763 242 4.8 104
Show 17167+3504 POP1234 AB 332 24.1 105
Show 17167+3504 POP1234 AC 321 56.7 105
Show 17177+3537 COU 993 Aa,Ab 107 1.1 105
Show 17177+3537 HO 67 AB 276 8.0 105
Show 17239+3627 STF2162 285 1.3 105
Show 17239+3300 LDS5854 60 6.1 105
Show 17165+3448 POP 77 AB 323 5.5 106
Show 17165+3448 POP 77 AC 343 62.4 106
Show 17165+3448 POP 77 CD 81 10.4 106
Show 17332+3520 A 1878 284 2.9 107
Show 17195+3322 TDT 304 130 3.1 107
Show 17316+3334 OSW 31 255 16.8 108
Show 17163+3458 COU1141 139 0.5 109
Show 17272+3630 TDT 361 320 2.6 110
Show 17316+3601 ES 2229 34 3.7 112
Show 17317+3604 ES 2230 92 9.6 115
Show 17156+3415 SLW1208 145 21.1 121
Show 17222+3247 COU 626 272 4.2 122
Show 17172+3603 CVR 199 203 61.2 125

 
 
WDS 17251+3444 : COMPONENTS
 
 
  A Ab
Ab pa=25.7°
sep=0.26"
 
B pa=292.6°
sep=8383.25"
pa=292.6°
sep=8383.26"
 
 
17251+3444 A
 
 
Coord arcsec 2000 172503.29+344355.4 Mag 9.73 Spectral class G0 (yellow) PmRA -3.00
PmDE 5.0 HIP 85238 Tycho2 2613-01599-1 BD BD+34 2962
Tycho2
Tycho2 2613-01599-1 Pflag RAmdeg 261.26367427 DEmdeg 34.73206107
PmRA -3.6 PmDE 4.4 E RAmdeg 15 E DEmdeg 14
E pmRA 1.9 E pmDE 1.8 EpRAm 1989.74 EpDEm 1990.01
Num 9 Q RAmdeg 0.4 Q DEmdeg 2.1 Q pmRA 0.4
Q pmDE 2.1 BTmag 10.484 E BTmag 0.031 VTmag 9.725
E VTmag 0.022 Prox 999 TYC T HIP 85238
CCDM AS RAdeg 261.26368472 DEdeg 34.73205028 EpRA 1990 1.67
EpDE 1990 1.76 E RAdeg 15.5 E DEdeg 15.0 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 85238 Proxy H RAhms 17 25 03.29
DEdms +34 43 55.4 Vmag 9.65 VarFlag R Vmag H
RAdeg 261.264 DEdeg 34.732 AstroRef * Plx 11.46
CCDM 17251+3444 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AS
Theta 182 Rho 0.186 HD BD BD+34 2962
CD CP Dm number +34 2962 VIred 0.77
SpType G0 R SpType Coord arcsec 2000 172503.29+344355.4
Hipparcos 2
HIP 85238 Sn 55 So 3 Nc 2
RArad 4.5599116508 DErad 0.6061886278 Plx 10.2 PmRA -4.55
PmDE 0.55 E RArad 0.8 E DErad 1.08 E Plx 1.21
E pmRA 0.85 E pmDE 1.4 Hpmag 9.79 E Hpmag 0.0026
SHp 0.031 VA 0 BV 0.737 E BV 0.031
VI 0.78
CCDM
Ccdm 17251+3444 RComp Comp A Note1
Note2 Discov num DRAs -2.71 DDEs -3.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp PmNote *
PmRA -4 PmDE 15 Dm number +34 2962 Cat1 BD
Name2 +34 1575 Cat2 AGK2/3 HD M HD
ADS BDS A10542 M ADS BDS N IDS IDS 17215N3449A
HIC 85238
 
 
17251+3444 Ab
 
 
Coord arcsec 2000 172503.30+344355.6 Mag 11.03 Calc delta mag 0.82 Calc coord yes
 
 
17251+3444 B
 
 
Coord arcsec 2000 171432.57+353754.6 Mag 10.55 Spectral class F8 (yellow-white) PmRA -5.00
PmDE 4.0 Calc delta mag 0.34 Calc coord yes
CCDM
Ccdm 17251+3444 RComp Comp B Note1 *
Note2 Discov num HU 922 DRAs DDEs
R dRAs Year 1958 Theta 287 Rho 0.3
Obs 11 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10542 M ADS BDS N IDS IDS 17215N3449B
HIC 85238