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Current system
18201-0759
STF 2303
HD 168459


Nearby doubles
27' : 18193-0735
LDT 15

58' : 18174-0717
HJ 857

78' : 18257-0816
BRT 478

79' : 18214-0915
BWE 1

79' : 18198-0917
SHN 230

86' : 18245-0704
BRT 477

87' : 18181-0920
TDT 782

88' : 18154-0850
BRT 476

93' : 18188-0929
RST4585

97' : 18201-0936
MOC 14AB

105' : 18131-0747
RST4001

108' : 18247-0636
STF2313

109' : 18181-0943
RST4584

114' : 18174-0946
HDS2584

118' : 18271-0853
HDS2608

121' : 18248-0621
TOK 320AB

133' : 18204-1011
HER 2

141' : 18160-1006
HU 58

143' : 18180-0539
LDS6325

147' : 18108-0710
RST3999

150' : 18274-0616
A 86

152' : 18099-0755
HDS2561

156' : 18096-0755
NSN 142

164' : 18092-0817
RST3998AB

166' : 18285-1013
HJ 5497

169' : 18120-0601
A 37AB



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.

18201-0759 STF 2303 (HD 168459)

 
 
18h 20m 05.15s -07° 58' 52.9" P.A. 253.00 sep 1.5 mag 6.62,9.25 Sp F2V dist. 60.13 pc (196.14 l.y.)
 
 
Coord 2000 18201-0759 Discov num STF2303 Comp Coord arcsec 2000 18 20 05.15 -07 58 52.9
Date first 1825 Date last 2019 Obs 75
Pa first 213 Pa last 253.2 P.A. Now (θ) 253.2°
Sep first 3.2 Sep last 1.487 Sep. Now (ρ) 1.487"
Mag pri 6.62 Mag sec 9.25 delta mag (ΔM) 2.63 Spectral class F2V (yellow-white)
Pri motion ra +027 Sec motion ra +027
Pri motion dec -016 Sec motion dec -016
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 168459 Constellation Serpens SAO 142229 HIP 89846
Tycho2 5677-00559-1 Gaia DR2 4159489909950145280 HD 168459 GC 25013
BD BD-08 4585 Distance 60.13 Distance ly 196.14
 
 
WDS 18201-0759 STF 2303 (HD 168459) : 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
18201-0759 STF2303 1991 69 240 1.6 6.62 9.25 F2V D 182005.15-075852.9
18201-0759 STF2303 2017 72 252 1.5 6.62 9.25 F2V 182005.15-075852.9
18201-0759 STF2303 2019 73 253 1.5 6.62 9.25 F2V 182005.15-075852.9

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

 
 
WDS 18201-0759 STF 2303 (HD 168459) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18201-0759 STF 2303 (HD 168459) : MEASURES
 
 
No records found.

 
 
WDS 18201-0759 (HD 168459) : VIRTUAL EYEPIECE
 
 

18201-0759 STF2303A mag 6.62 Sp F2V 18201-0759 STF2303B sep 1.5 P.A. 253.00 mag 9.25 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18201-0759 (HD 168459) : ALADIN DSS IMAGE @ 18h 20m 05.15s -07° 58' 52.9"
 
 
 
 
WDS 18201-0759 STF 2303 (HD 168459) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18201-0759 STF2303 distance=0' 18193-0735 LDT 15 distance=27' 18174-0717 HJ 857 distance=58' 18257-0816 BRT 478 distance=78' 18214-0915 BWE 1 distance=79' 18198-0917 SHN 230 distance=79' 18245-0704 BRT 477 distance=86' 18181-0920 TDT 782 distance=87' 18154-0850 BRT 476 distance=88' 18188-0929 RST4585 distance=93' 18201-0936 MOC 14AB distance=97' 18201-0936 MOC 14AC distance=97' 18201-0936 MOC 14AD distance=97' 18131-0747 RST4001 distance=105' 18247-0636 STF2313 distance=108' 18181-0943 RST4584 distance=109' 18174-0946 HDS2584 distance=114' 18271-0853 HDS2608 distance=118' 18248-0621 TOK 320AB distance=121' 18248-0621 LSC 155Aa,Ab distance=121' 18248-0621 TOK 320Ba,Bb distance=121' 18124-0718 A 36BC distance=122' 18124-0718 A 36A,BC distance=122' 18204-1011 HER 2 distance=133' 18160-1006 HU 58 distance=141' 18180-0539 LDS6325 distance=143' 18108-0710 RST3999 distance=147' 18274-0616 A 86 distance=150' 18099-0755 HDS2561 distance=152' 18096-0755 NSN 142 distance=156' 18092-0817 RST3998AB distance=164' 18092-0817 B 2856AB,C distance=164' 18285-1013 HJ 5497 distance=166' 18120-0601 A 37AB distance=169' 18224-0505 RST4586 distance=178' 18250-0517 RST4587 distance=179' 18321-0741 J 2518 distance=180' 18322-0750 BU 419 distance=181' 18198-0458 SCJ 16 distance=182' 18189-1101 HU 60 distance=183' 18131-0528 RST4582 distance=184' 18322-0720 LDS 644 distance=185' 18081-0707 RST3997 distance=185' 18267-0521 GWP2777 distance=187' 18276-1039 DAM 320AB distance=195' 18276-1039 DAM 320AC distance=195' 18322-0922 BU 247 distance=198' 18331-0845 HJ 5498AB distance=199' 18331-0845 HJ 5498AC distance=199' 18331-0845 ABH 101AD distance=199' 18331-0845 ABH 101AE distance=199' 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 18201-0759 STF2303 253 1.5
Show 18193-0735 LDT 15 133 0.5 27
Show 18174-0717 HJ 857 18 21.3 58
Show 18257-0816 BRT 478 155 7.7 78
Show 18214-0915 BWE 1 71 1.8 79
Show 18198-0917 SHN 230 -1 0.4 79
Show 18245-0704 BRT 477 291 4.0 86
Show 18181-0920 TDT 782 85 0.4 87
Show 18154-0850 BRT 476 135 4.0 88
Show 18188-0929 RST4585 17 0.7 93
Show 18201-0936 MOC 14 AB 269 1.2 97
Show 18201-0936 MOC 14 AC 214 2.1 97
Show 18201-0936 MOC 14 AD 95 2.2 97
Show 18131-0747 RST4001 278 1.9 105
Show 18247-0636 STF2313 196 5.8 108
Show 18181-0943 RST4584 118 1.1 109
Show 18174-0946 HDS2584 352 0.7 114
Show 18271-0853 HDS2608 344 0.1 118
Show 18248-0621 TOK 320 AB 321 55.2 121
Show 18248-0621 LSC 155 Aa,Ab 261 0.3 121
Show 18248-0621 TOK 320 Ba,Bb 259 0.1 121
Show 18124-0718 A 36 BC 207 1.3 122
Show 18124-0718 A 36 A,BC 40 70.1 122
Show 18204-1011 HER 2 18 1.0 133
Show 18160-1006 HU 58 127 0.7 141
Show 18180-0539 LDS6325 217 4.4 143
Show 18108-0710 RST3999 176 0.2 147
Show 18274-0616 A 86 288 2.8 150
Show 18099-0755 HDS2561 16 0.9 152
Show 18096-0755 NSN 142 44 25.1 156
Show 18092-0817 RST3998 AB 161 0.4 164
Show 18092-0817 B 2856 AB,C 123 11.9 164
Show 18285-1013 HJ 5497 224 16.1 166
Show 18120-0601 A 37 AB 33 2.4 169
Show 18224-0505 RST4586 70 0.2 178
Show 18250-0517 RST4587 332 0.4 179
Show 18321-0741 J 2518 268 3.7 180
Show 18322-0750 BU 419 32 1.2 181
Show 18198-0458 SCJ 16 209 3.3 182
Show 18189-1101 HU 60 260 1.4 183
Show 18131-0528 RST4582 325 0.6 184
Show 18322-0720 LDS 644 338 5.7 185
Show 18081-0707 RST3997 82 1.3 185
Show 18267-0521 GWP2777 266 72.2 187
Show 18276-1039 DAM 320 AB 64 16.5 195
Show 18276-1039 DAM 320 AC 97 8.0 195
Show 18322-0922 BU 247 167 7.9 198
Show 18331-0845 HJ 5498 AB 95 14.4 199
Show 18331-0845 HJ 5498 AC 168 25.2 199
Show 18331-0845 ABH 101 AD 124 49.4 199
Show 18331-0845 ABH 101 AE 165 83.6 199

 
 
WDS 18201-0759 : COMPONENTS
 
 
  A
B pa=253.0°
sep=1.47"
 
 
18201-0759 A
 
 
Componente originario normalizzato AB Name HD 168459 Coord arcsec 2000 182005.15-075852.9 Mag 6.62
Spectral class F2V (yellow-white) PmRA 27.00 PmDE -16.0 SAO 142229
HIP 89846 Tycho2 5677-00559-1 HD 168459 GC 25013
BD BD-08 4585
Tycho2
Tycho2 5677-00559-1 Pflag P RAmdeg 275.02145484 DEmdeg -7.98135008
PmRA 26.6 PmDE -15.6 E RAmdeg 5 E DEmdeg 5
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.53 EpDEm 1991.48
Num 6 Q RAmdeg 1.2 Q DEmdeg 3.0 Q pmRA 1.3
Q pmDE 3.0 BTmag 7.018 E BTmag 0.016 VTmag 6.622
E VTmag 0.011 Prox 16 TYC T HIP 89846
CCDM A RAdeg 275.02140306 DEdeg -7.98130694 EpRA 1990 1.62
EpDE 1990 1.57 E RAdeg 4.6 E DEdeg 5.1 Posflg D
Corr -0.5
SAO
SAO 142229 DelFlag RA1950 PmRA1950 0.0021
DE1950 PmDE1950 -0.006 Vmag 6.5 SpType F5
Double code Source 70 CatNum 25013 DM BD-08 4585
DMcomp BDsup HD 168459 M HD 0
GC 25013 RA1950rad 4.78815894 DE1950rad -0.13969277 PmRA2000 0.0023
PmDE2000 -0.004
Hipparcos
Catalog H HIP 89846 Proxy H RAhms 18 20 05.14
DEdms -07 58 52.7 Vmag 6.54 VarFlag R Vmag G
RAdeg 275.021 DEdeg -7.9813 AstroRef A Plx 14.4
CCDM 18201-0759 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 243 Rho 1.787 HD 168459 BD BD-08 4585
CD CP Dm number -08 4585 VIred 0.47
SpType F5 R SpType Coord arcsec 2000 182005.14-075852.7
Hipparcos 2
HIP 89846 Sn 15 So 3 Nc 2
RArad 4.8000289709 DErad -0.1393000432 Plx 16.63 PmRA 31.9
PmDE -9.6 E RArad 0.79 E DErad 0.62 E Plx 0.84
E pmRA 1.08 E pmDE 0.81 Hpmag 6.6382 E Hpmag 0.0018
SHp 0.01 VA 0 BV 0.401 E BV 0.015
VI 0.47
CCDM
Ccdm 18201-0759 RComp Comp A Note1
Note2 Discov num DRAs -0.85 DDEs 7.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.6 Sp F5 PmNote *
PmRA 33 PmDE -6 Dm number -08 4585 Cat1 BD
Name2 142229 Cat2 SAO HD 168459 M HD
ADS BDS A11262 M ADS BDS N IDS IDS 18146S0803A
HIC 89846
 
 
18201-0759 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182005.06-075853.3 Mag 9.25 PmRA 27.00
PmDE -16.0 Tycho2 5677-00559-2 Calc delta mag 2.63 Calc coord yes
Tycho2
Tycho2 5677-00559-2 Pflag P RAmdeg 275.02145484 DEmdeg -7.98135008
PmRA 26.6 PmDE -15.6 E RAmdeg 5 E DEmdeg 5
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.53 EpDEm 1991.48
Num 6 Q RAmdeg 1.2 Q DEmdeg 3.0 Q pmRA 1.3
Q pmDE 3.0 BTmag 10.152 E BTmag 0.041 VTmag 9.252
E VTmag 0.027 Prox 16 TYC HIP 89846
CCDM B RAdeg 275.02102056 DEdeg -7.98152750 EpRA 1990 1.60
EpDE 1990 1.58 E RAdeg 19.6 E DEdeg 22.3 Posflg D
Corr -0.5
CCDM
Ccdm 18201-0759 RComp Comp B Note1
Note2 Discov num STF2303 DRAs DDEs
R dRAs Year 1959 Theta 236 Rho 2.1
Obs 99 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11262 M ADS BDS N IDS IDS 18146S0803B
HIC 89846