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Doubles in session


Current system
17518+2814
STF 2239


Nearby doubles
13' : 17524+2805
KPP2487

56' : 17549+2852
CBL 163

58' : 17484+2738
TDT 515

61' : 17477+2748
GIC 149AB

62' : 17541+2721
BVD 125

63' : 17520+2917
AZC 101

64' : 17525+2712
HJ 1307

68' : 17525+2707
UC 3434

69' : 17467+2759
ES 469AB

70' : 17564+2846
GRV 971

71' : 17511+2704
YSC 240

74' : 17502+2704
TDT 526

75' : 17549+2713
TDT 568AB

75' : 17488+2918
TDS 884AB

75' : 17508+2701
CBL 72

75' : 17517+2700
GRV 968

78' : 17488+2708
UC 3417

79' : 17575+2759
HO 423

80' : 17577+2815
HO 424

83' : 17578+2751
ALL 2

88' : 17470+2915
TDS 881AB

88' : 17529+2941
AC 8

90' : 17494+2651
BRT3322AB

93' : 17512+2946
BRT 31

98' : 17484+2942
BRT 30

99' : 17582+2724
HO 425



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.

17518+2814 STF 2239

 
 
17h 51m 45.34s +28° 14' 16.3" P.A. 319.00 sep 2.4 mag 9.55,10.00 Sp F8 dist. 178.25 pc (581.45 l.y.)
 
 
Coord 2000 17518+2814 Discov num STF2239 Comp Coord arcsec 2000 17 51 45.34 +28 14 16.3
Date first 1830 Date last 2019 Obs 29
Pa first 318 Pa last 318.9 P.A. Now (θ) 318.9°
Sep first 2.2 Sep last 2.42 Sep. Now (ρ) 2.42"
Mag pri 9.55 Mag sec 10.00 delta mag (ΔM) 0.45 Spectral class F8 (yellow-white)
Pri motion ra +020 Sec motion ra +020
Pri motion dec -021 Sec motion dec -021
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 87407 Tycho2 2102-00434-1 Gaia DR2 4596071823739873920
BD BD+28 2852 Distance 178.25 Distance ly 581.45
 
 
WDS 17518+2814 STF 2239 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17518+2814 STF2239 1998 21 320 2.4 9.55 10.00 F8 D 175145.34+281416.3
17518+2814 STF2239 2005 22 318 2.4 9.55 10.00 F8 D 175145.34+281416.3
17518+2814 STF2239 2008 23 319 2.4 9.55 10.00 F8 D 175145.34+281416.3
17518+2814 STF2239 2010 24 318 2.4 9.55 10.00 F8 D 175145.34+281416.3
17518+2814 STF2239 2013 24 317 2.4 9.55 10.00 F8 175145.34+281416.3
17518+2814 STF2239 2015 25 319 2.4 9.55 10.00 F8 175145.34+281416.3
17518+2814 STF2239 2018 26 319 2.4 9.55 10.00 F8 175145.34+281416.3
17518+2814 STF2239 2019 29 319 2.4 9.55 10.00 F8 175145.34+281416.3

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

 
 
WDS 17518+2814 STF 2239 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17518+2814 STF 2239 : MEASURES
 
 
No records found.

 
 
WDS 17518+2814 : VIRTUAL EYEPIECE
 
 

17518+2814 STF2239A mag 9.55 Sp F8 17518+2814 STF2239B sep 2.3 P.A. 322.50 mag 10 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 17518+2814 : ALADIN DSS IMAGE @ 17h 51m 45.34s +28° 14' 16.3"
 
 
 
 
WDS 17518+2814 STF 2239 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17518+2814 STF2239 distance=1' 17524+2805 KPP2487 distance=13' 17549+2852 CBL 163 distance=56' 17484+2738 TDT 515 distance=58' 17477+2748 RAO 379BC distance=60' 17477+2748 GIC 149AB distance=61' 17541+2721 BVD 125 distance=62' 17520+2917 AZC 101 distance=63' 17525+2712 HJ 1307 distance=64' 17525+2707 UC 3434 distance=68' 17467+2759 ES 469AB distance=69' 17564+2846 GRV 971 distance=70' 17467+2759 ES 469BC distance=70' 17511+2704 YSC 240 distance=71' 17502+2704 TDT 526 distance=74' 17549+2713 TDT 568AB distance=75' 17549+2713 TDT 568AC distance=75' 17488+2918 TDS 884AB distance=75' 17488+2918 SCA 204AB,C distance=75' 17488+2918 SCA 204AB,D distance=75' 17508+2701 CBL 72 distance=75' 17517+2700 GRV 968 distance=75' 17465+2743 TRN 2Aa,Ab distance=77' 17465+2743 STF2220A,BC distance=77' 17465+2743 ABT 14AD distance=77' 17488+2708 UC 3417 distance=78' 17465+2743 AC 7BC distance=78' 17465+2743 ABT 14BC,D distance=78' 17575+2759 HO 423 distance=79' 17577+2815 HO 424 distance=80' 17578+2751 ALL 2 distance=83' 17470+2915 TDS 881AB distance=88' 17470+2915 TDS 881Aa,Ab distance=88' 17529+2941 AC 8 distance=88' 17494+2651 BRT3322AB distance=90' 17512+2946 BRT 31 distance=93' 17484+2942 BRT 30 distance=98' 17582+2724 HO 425 distance=99' 17567+2929 D 17 distance=100' 17541+2949 AC 9 distance=100' 17559+2943 AZC 102 distance=105' 17508+2628 TDT 530 distance=107' 17507+2627 GRV 967 distance=108' 17510+3010 COU 636 distance=117' 17556+2627 TDT 576 distance=119' 17532+2617 TDT 555 distance=120' 17455+2949 COU 632 distance=125' 17594+2929 COU1003Aa,Ab distance=126' 17594+2929 STF2247AB distance=126' 17594+2929 WAL 88AC distance=126' 17455+2950 COU 631 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 17518+2814 STF2239 319 2.4 1
Show 17524+2805 KPP2487 23 22.3 13
Show 17549+2852 CBL 163 244 41.5 56
Show 17484+2738 TDT 515 282 0.5 58
Show 17477+2748 RAO 379 BC 152 3.9 60
Show 17477+2748 GIC 149 AB 116 75.8 61
Show 17541+2721 BVD 125 32 48.3 62
Show 17520+2917 AZC 101 270 22.6 63
Show 17525+2712 HJ 1307 321 37.3 64
Show 17525+2707 UC 3434 30.3 68
Show 17467+2759 ES 469 AB 266 46.3 69
Show 17564+2846 GRV 971 237 73.0 70
Show 17467+2759 ES 469 BC 148 4.2 70
Show 17511+2704 YSC 240 153 0.4 71
Show 17502+2704 TDT 526 146 0.8 74
Show 17549+2713 TDT 568 AB 2 0.5 75
Show 17549+2713 TDT 568 AC 90 1.8 75
Show 17488+2918 TDS 884 AB 126 1.2 75
Show 17488+2918 SCA 204 AB,C 92 1.6 75
Show 17488+2918 SCA 204 AB,D 47 0.9 75
Show 17508+2701 CBL 72 173 12.6 75
Show 17517+2700 GRV 968 304 26.0 75
Show 17465+2743 TRN 2 Aa,Ab 255 1.8 77
Show 17465+2743 STF2220 A,BC 249 35.4 77
Show 17465+2743 ABT 14 AD 5 321.1 77
Show 17488+2708 UC 3417 47 32.6 78
Show 17465+2743 AC 7 BC 27 1.0 78
Show 17465+2743 ABT 14 BC,D 10 335.0 78
Show 17575+2759 HO 423 293 4.7 79
Show 17577+2815 HO 424 204 1.4 80
Show 17578+2751 ALL 2 206 18.9 83
Show 17470+2915 TDS 881 AB 242 1.0 88
Show 17470+2915 TDS 881 Aa,Ab 138 0.2 88
Show 17529+2941 AC 8 304 0.1 88
Show 17494+2651 BRT3322 AB 166 4.5 90
Show 17512+2946 BRT 31 147 7.6 93
Show 17484+2942 BRT 30 227 4.3 98
Show 17582+2724 HO 425 144 5.5 99
Show 17567+2929 D 17 130 23.9 100
Show 17541+2949 AC 9 242 1.0 100
Show 17559+2943 AZC 102 35 21.3 105
Show 17508+2628 TDT 530 124 2.1 107
Show 17507+2627 GRV 967 299 19.1 108
Show 17510+3010 COU 636 269 1.5 117
Show 17556+2627 TDT 576 216 0.5 119
Show 17532+2617 TDT 555 260 0.9 120
Show 17455+2949 COU 632 308 1.1 125
Show 17594+2929 COU1003 Aa,Ab 359 0.1 126
Show 17594+2929 STF2247 AB 188 11.6 126
Show 17594+2929 WAL 88 AC 230 56.1 126
Show 17455+2950 COU 631 51 5.6 127

 
 
WDS 17518+2814 : COMPONENTS
 
 
  A
B pa=322.5°
sep=2.30"
 
 
17518+2814 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175145.34+281416.3 Mag 9.55 Spectral class F8 (yellow-white)
PmRA 20.00 PmDE -21.0 HIP 87407 Tycho2 2102-00434-1
BD BD+28 2852
Tycho2
Tycho2 2102-00434-1 Pflag P RAmdeg 267.93892200 DEmdeg 28.23786032
PmRA 19.6 PmDE -20.5 E RAmdeg 12 E DEmdeg 12
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.09 EpDEm 1991.08
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.3 Q pmRA 0.5
Q pmDE 1.4 BTmag 10.154 E BTmag 0.023 VTmag 9.551
E VTmag 0.019 Prox 24 TYC T HIP 87407
CCDM A RAdeg 267.93901972 DEdeg 28.23775222 EpRA 1990 1.63
EpDE 1990 1.66 E RAdeg 12.4 E DEdeg 11.6 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 87407 Proxy H RAhms 17 51 45.36
DEdms +28 14 15.9 Vmag 8.93 VarFlag R Vmag H
RAdeg 267.939 DEdeg 28.2378 AstroRef A Plx 6.78
CCDM 17518+2814 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 319 Rho 2.436 HD BD BD+28 2852
CD CP Dm number +28 2852 VIred 0.43
SpType F8 R SpType Coord arcsec 2000 175145.36+281415.9
Hipparcos 2
HIP 87407 Sn 15 So 3 Nc 2
RArad 4.6764180383 DErad 0.4928417319 Plx 5.61 PmRA 18.67
PmDE -18.45 E RArad 0.75 E DErad 0.87 E Plx 1.18
E pmRA 1.04 E pmDE 1.18 Hpmag 9.0577 E Hpmag 0.0026
SHp 0.025 VA 0 BV 0.6 E BV 0.023
VI 0.67
CCDM
Ccdm 17518+2814 RComp Comp A Note1
Note2 Discov num DRAs -2.69 DDEs 15.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp F8 PmNote *
PmRA 14 PmDE -27 Dm number +28 2852 Cat1 BD
Name2 +28 1712 Cat2 AGK2/3 HD M HD
ADS BDS A10851 M ADS BDS N IDS IDS 17478N2816A
HIC 87407
 
 
17518+2814 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175145.23+281418.1 Mag 10 PmRA 20.00
PmDE -21.0 HIP 87407 Tycho2 2102-00434-2 Calc delta mag 0.45
Calc coord yes
Tycho2
Tycho2 2102-00434-2 Pflag P RAmdeg 267.93892200 DEmdeg 28.23786032
PmRA 19.6 PmDE -20.5 E RAmdeg 12 E DEmdeg 12
E pmRA 2.0 E pmDE 1.9 EpRAm 1991.09 EpDEm 1991.08
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.3 Q pmRA 0.5
Q pmDE 1.4 BTmag 10.704 E BTmag 0.034 VTmag 9.997
E VTmag 0.027 Prox 24 TYC T HIP 87407
CCDM B RAdeg 267.93852583 DEdeg 28.23826833 EpRA 1990 1.63
EpDE 1990 1.67 E RAdeg 19.1 E DEdeg 17.8 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 87407 Proxy H RAhms 17 51 45.36
DEdms +28 14 15.9 Vmag 8.93 VarFlag R Vmag H
RAdeg 267.939 DEdeg 28.2378 AstroRef A Plx 6.78
CCDM 17518+2814 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 319 Rho 2.436 HD BD BD+28 2852
CD CP Dm number +28 2852 VIred 0.43
SpType F8 R SpType Coord arcsec 2000 175145.36+281415.9
Hipparcos 2
HIP 87407 Sn 15 So 3 Nc 2
RArad 4.6764180383 DErad 0.4928417319 Plx 5.61 PmRA 18.67
PmDE -18.45 E RArad 0.75 E DErad 0.87 E Plx 1.18
E pmRA 1.04 E pmDE 1.18 Hpmag 9.0577 E Hpmag 0.0026
SHp 0.025 VA 0 BV 0.6 E BV 0.023
VI 0.67
CCDM
Ccdm 17518+2814 RComp Comp B Note1
Note2 Discov num STF2239 DRAs DDEs
R dRAs Year 1830 Theta 319 Rho 2.4
Obs 11 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10851 M ADS BDS N IDS IDS 17478N2816B
HIC 87407