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Doubles in session


Current system
18096+0609
STF 2283
HD 166257


Nearby doubles
27' : 18112+0559
J 805

31' : 18116+0606
CFN 14

36' : 18073+0617
TDT 694

49' : 18063+0613
GWP2759

53' : 18128+0549
STT 345AB

60' : 18135+0604
NSN 703

62' : 18124+0524
OSO 95

63' : 18123+0656
DBR 289

63' : 18135+0548
FOX 80AB

72' : 18136+0527
LDS1007

74' : 18142+0545
TDT 756AB

75' : 18052+0645
J 1200

79' : 18044+0626
TOK 317

81' : 18125+0501
HEI 896

83' : 18082+0449
BAL2914

83' : 18090+0447
TDT 710

84' : 18043+0633
SKF1860

84' : 18122+0455
HEI9010

84' : 18041+0628
STF2265

85' : 18122+0453
BAL2918

87' : 18127+0456
BAL2921

89' : 18066+0452
BAL2913

89' : 18152+0533
J 2123AB

91' : 18053+0504
BAL3013

91' : 18106+0738
HDS2562AB

91' : 18060+0455
BAL2912



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.

18096+0609 STF 2283 (HD 166257)

 
 
18h 09m 34.22s +06° 08' 44.6" P.A. 48.00 sep 0.5 mag 8.25,8.73 Sp F5V dist. 130.55 pc (425.85 l.y.)
 
 
Coord 2000 18096+0609 Discov num STF2283 Comp Coord arcsec 2000 18 09 34.22 +06 08 44.6
Date first 1829 Date last 2018 Obs 132
Pa first 93 Pa last 47.7 P.A. Now (θ) 47.7°
Sep first 1.2 Sep last 0.54 Sep. Now (ρ) 0.54"
Mag pri 8.25 Mag sec 8.73 delta mag (ΔM) 0.48 Spectral class F5V (yellow-white)
Pri motion ra -008 Sec motion ra -008
Pri motion dec -033 Sec motion dec -033
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166257 Constellation Ophiuchus SAO 123189 HIP 88965
Tycho2 0443-02788-1 Gaia DR2 4471859857717152896 HD 166257 GC 24756
ADS 11110 BD BD+06 3638 Distance 130.55 Distance ly 425.85
 
 
ORBITAL ELEMENTS
 
 
Period (P)2112.6541y± 1028.0629 Periastron (T)2179.5587y± 422.9152 Semi-major axis (a)3.45289a± 2.15588
Eccentricity (e)0.93271± 0.10674 Inclination (i)101.638°± 12.326 Longitude of periastron (ω)244.13°± 37.661
Node (Ω)136.654°± 32.742 Notes ReferenceIzm2019
Equinox Last observation2011 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 58.1 0.638
2001 57.7 0.635
2002 57.4 0.632
2003 57.0 0.629
2004 56.6 0.626
2005 56.2 0.623
2006 55.9 0.620
2007 55.5 0.617
2008 55.1 0.614
2009 54.7 0.612
2010 54.3 0.609
2011 53.9 0.606
2012 53.5 0.603
2013 53.1 0.601
2014 52.7 0.598
2015 52.3 0.595
2016 51.8 0.593
2017 51.4 0.590
2018 51.0 0.587
2019 50.6 0.585
2020 50.1 0.582
2021 49.7 0.580
2022 49.3 0.577
2023 48.8 0.575
2024 48.4 0.572
2025 47.9 0.570
2026 47.4 0.568
2027 47.0 0.565
2028 46.5 0.563
2029 46.1 0.561
2030 45.6 0.558


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


 
  


wds18096%2B0609a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18096+0609 STF 2283 (HD 166257) : 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
18096+0609 STF2283 2007 132 58 0.7 8.25 8.73 F5V D 180934.22+060844.6
18096+0609 STF2283 2010 134 55 0.6 8.25 8.73 F5V D 180934.22+060844.6
18096+0609 STF2283 2011 138 54 0.6 8.25 8.73 F5V 180934.22+060844.6
18096+0609 STF2283 2018 130 48 0.5 8.25 8.73 F5V 180934.22+060844.6

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

 
 
WDS 18096+0609 STF 2283 (HD 166257) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18096+0609 STF 2283 (HD 166257) : MEASURES
 
 
No records found.

 
 
WDS 18096+0609 (HD 166257) : VIRTUAL EYEPIECE
 
 

18096+0609 STF2283A mag 8.25 Sp F5V 18096+0609 STF2283B sep 0.5 P.A. 47.50 mag 8.73 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 18096+0609 (HD 166257) : ALADIN DSS IMAGE @ 18h 09m 34.22s +06° 08' 44.6"
 
 
 
 
WDS 18096+0609 STF 2283 (HD 166257) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18096+0609 STF2283 distance=1' 18112+0559 J 805 distance=27' 18116+0606 CFN 14 distance=31' 18073+0617 TDT 694 distance=36' 18063+0613 GWP2759 distance=49' 18128+0549 STT 345AB distance=53' 18128+0549 STT 345AC distance=53' 18135+0604 NSN 703 distance=60' 18124+0524 OSO 95 distance=62' 18123+0656 DBR 289 distance=63' 18135+0548 FOX 80AB distance=63' 18135+0548 FOX 80AC distance=63' 18136+0527 LDS1007 distance=72' 18142+0545 TDT 756AB distance=74' 18142+0545 GII 262Aa,Ab distance=74' 18052+0645 J 1200 distance=75' 18044+0626 TOK 317 distance=79' 18125+0501 HEI 896 distance=81' 18082+0449 BAL2914 distance=83' 18090+0447 TDT 710 distance=83' 18043+0633 SKF1860 distance=84' 18122+0455 HEI9010 distance=84' 18041+0628 STF2265 distance=84' 18122+0453 BAL2918 distance=85' 18127+0456 BAL2921 distance=87' 18066+0452 BAL2913 distance=89' 18152+0533 J 2123AB distance=89' 18152+0533 J 2123AC distance=89' 18053+0504 BAL3013 distance=91' 18106+0738 HDS2562AB distance=91' 18106+0738 GII 260Aa,Ab distance=91' 18060+0455 BAL2912 distance=91' 18122+0442 BAL2919 distance=96' 18140+0718 LDS5230 distance=96' 18059+0449 BAL2911 distance=97' 18095+0748 LDS5229 distance=99' 18125+0440 BAL2920 distance=99' 18030+0630 BRT2175 distance=101' 18056+0439 SKF2127 distance=108' 18165+0637 TDS 912 distance=108' 18060+0434 STTA165AB distance=108' 18060+0434 GUI 20AC distance=108' 18107+0417 BAL2917 distance=113' 18163+0702 LDS5233 distance=115' 18151+0448 BAL2923 distance=116' 18098+0412 BAL2916 distance=117' 18133+0752 RAO 606 distance=118' 18158+0711 LDS5232 distance=120' 18124+0415 A 353 distance=122' 18034+0447 A 1165 distance=124' 18088+0404 BAL2915 distance=125' 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 18096+0609 STF2283 48 0.5 1
Show 18112+0559 J 805 96 3.7 27
Show 18116+0606 CFN 14 140 0.6 31
Show 18073+0617 TDT 694 13 1.5 36
Show 18063+0613 GWP2759 227 122.8 49
Show 18128+0549 STT 345 AB 67 1.5 53
Show 18128+0549 STT 345 AC 199 86.5 53
Show 18135+0604 NSN 703 270 25.8 60
Show 18124+0524 OSO 95 202 11.2 62
Show 18123+0656 DBR 289 242 1.3 63
Show 18135+0548 FOX 80 AB 64 3.0 63
Show 18135+0548 FOX 80 AC 48 9.9 63
Show 18136+0527 LDS1007 13 322.2 72
Show 18142+0545 TDT 756 AB 92 0.7 74
Show 18142+0545 GII 262 Aa,Ab 39 0.2 74
Show 18052+0645 J 1200 208 5.2 75
Show 18044+0626 TOK 317 170 712.9 79
Show 18125+0501 HEI 896 202 2.6 81
Show 18082+0449 BAL2914 329 8.9 83
Show 18090+0447 TDT 710 274 1.1 83
Show 18043+0633 SKF1860 34 18.5 84
Show 18122+0455 HEI9010 123 6.1 84
Show 18041+0628 STF2265 282 23.5 84
Show 18122+0453 BAL2918 54 8.1 85
Show 18127+0456 BAL2921 1 19.5 87
Show 18066+0452 BAL2913 14 12.4 89
Show 18152+0533 J 2123 AB 138 4.0 89
Show 18152+0533 J 2123 AC 52 7.0 89
Show 18053+0504 BAL3013 77 6.4 91
Show 18106+0738 HDS2562 AB 245 0.9 91
Show 18106+0738 GII 260 Aa,Ab 38 0.2 91
Show 18060+0455 BAL2912 187 3.1 91
Show 18122+0442 BAL2919 329 6.1 96
Show 18140+0718 LDS5230 51 5.1 96
Show 18059+0449 BAL2911 255 3.0 97
Show 18095+0748 LDS5229 210 2.4 99
Show 18125+0440 BAL2920 1 7.7 99
Show 18030+0630 BRT2175 264 5.2 101
Show 18056+0439 SKF2127 7 15.1 108
Show 18165+0637 TDS 912 198 1.2 108
Show 18060+0434 STTA165 AB 141 66.8 108
Show 18060+0434 GUI 20 AC 245 1.0 108
Show 18107+0417 BAL2917 258 19.7 113
Show 18163+0702 LDS5233 22 4.8 115
Show 18151+0448 BAL2923 17 16.1 116
Show 18098+0412 BAL2916 122 6.6 117
Show 18133+0752 RAO 606 34 0.9 118
Show 18158+0711 LDS5232 270 5.2 120
Show 18124+0415 A 353 17 1.6 122
Show 18034+0447 A 1165 33 1.2 124
Show 18088+0404 BAL2915 166 20.3 125

 
 
WDS 18096+0609 : COMPONENTS
 
 
  A
B pa=47.5°
sep=0.54"
 
 
18096+0609 A
 
 
Componente originario normalizzato AB Name HD 166257 Coord arcsec 2000 180934.22+060844.6 Mag 8.25
Spectral class F5V (yellow-white) PmRA -8.00 PmDE -33.0 SAO 123189
HIP 88965 Tycho2 0443-02788-1 HD 166257 GC 24756
BD BD+06 3638
Tycho2
Tycho2 0443-02788-1 Pflag RAmdeg 272.39265242 DEmdeg 6.14574862
PmRA -7.9 PmDE -32.9 E RAmdeg 6 E DEmdeg 8
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.47 EpDEm 1991.20
Num 9 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 8.362 E BTmag 0.018 VTmag 7.814
E VTmag 0.013 Prox 999 TYC T HIP 88965
CCDM AB RAdeg 272.39267000 DEdeg 6.14582361 EpRA 1990 1.80
EpDE 1990 1.75 E RAdeg 6.1 E DEdeg 7.9 Posflg P
Corr 0.0
SAO
SAO 123189 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 -0.039 Vmag 7.6 SpType F5
Double code Source 70 CatNum 24756 DM BD+06 3638
DMcomp BDsup HD 166257 M HD 0
GC 24756 RA1950rad 4.74349382 DE1950rad 0.10709086 PmRA2000 0.0006
PmDE2000 -0.039
Hipparcos
Catalog H HIP 88965 Proxy H RAhms 18 09 34.23
DEdms +06 08 44.9 Vmag 7.68 VarFlag R Vmag G
RAdeg 272.393 DEdeg 6.1458 AstroRef A Plx 9.41
CCDM 18096+0609 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 62 Rho 0.66 HD 166257 BD BD+06 3638
CD CP Dm number +06 3638 VIred 0.64
SpType F5 R SpType Coord arcsec 2000 180934.23+060844.9
Hipparcos 2
HIP 88965 Sn 15 So 3 Nc 2
RArad 4.7541480079 DErad 0.1072644168 Plx 7.66 PmRA -2.93
PmDE -36.52 E RArad 1.7 E DErad 1.57 E Plx 1.07
E pmRA 1.87 E pmDE 1.86 Hpmag 7.7887 E Hpmag 0.0026
SHp 0.012 VA 0 BV 0.568 E BV 0.015
VI 0.64
CCDM
Ccdm 18096+0609 RComp Comp A Note1
Note2 Discov num DRAs -1.78 DDEs -15.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp F5 PmNote *
PmRA -8 PmDE -40 Dm number +06 3638 Cat1 BD
Name2 +06 2198 Cat2 AGK2/3 HD 166257 M HD
ADS BDS A11110 M ADS BDS N IDS IDS 18047N0608A
HIC 88965
 
 
18096+0609 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180934.25+060845.0 Mag 8.73 PmRA -8.00
PmDE -33.0 Calc delta mag 0.48 Calc coord yes
CCDM
Ccdm 18096+0609 RComp Comp B Note1
Note2 Discov num STF2283 DRAs DDEs
R dRAs Year 1959 Theta 074 Rho 0.7
Obs 99 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11110 M ADS BDS N IDS IDS 18047N0608B
HIC 88965