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Doubles in session


Current system
18350+1127
STF 2341
HD 171535


Nearby doubles
9' : 18346+1134
BPM 790

13' : 18342+1123
HJ 1329

14' : 18344+1116
KRU 7

23' : 18360+1144
STT 357

29' : 18369+1129
BPM 792

35' : 18329+1111
DAM 639

37' : 18368+1151
L 39

39' : 18328+1147
HU 245

43' : 18378+1127
BLL 33

47' : 18328+1054
HEI 561

49' : 18380+1107
BPM 795

51' : 18321+1152
BRT1301

53' : 18337+1216
ADP 4

56' : 18340+1219
J 1170

56' : 18385+1107
BPM 798

58' : 18339+1220
J 1197

59' : 18310+1125
J 2131

62' : 18316+1203
HU 244

62' : 18316+1204
BPM 787

71' : 18396+1146
AG 363AB

72' : 18301+1127
BPM 784

72' : 18367+1019
L 9002

73' : 18364+1017
PRZ 14AB

76' : 18326+1019
BRT1303

77' : 18400+1146
TDT 984

77' : 18370+1016
HU 247



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.

18350+1127 STF 2341 (HD 171535)

 
 
18h 34m 58.11s +11° 26' 32.2" P.A. 265.00 sep 15.4 mag 9.15,10.31 Sp A2V
 
 
Coord 2000 18350+1127 Discov num STF2341 Comp Coord arcsec 2000 18 34 58.11 +11 26 32.2
Date first 1821 Date last 2015 Obs 28
Pa first 267 Pa last 264.5 P.A. Now (θ) 264.5°
Sep first 15.4 Sep last 15.353 Sep. Now (ρ) 15.353"
Mag pri 9.15 Mag sec 10.31 delta mag (ΔM) 1.16 Spectral class A2V (white)
Pri motion ra -001 Sec motion ra -003
Pri motion dec +001 Sec motion dec +000
Notes Y (Parallax indicates components are non-physical)
rPM=0.745
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171535 Constellation Ophiuchus SAO 103872 Tycho2 1032-01367-1
Gaia DR2 4480996936793518592 HD 171535 GC 25391
 
 
WDS 18350+1127 STF 2341 (HD 171535) : 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
18350+1127 STF2341 2004 20 265 15.8 9.15 10.31 A5 D 183458.11+112632.2
18350+1127 STF2341 2012 22 265 15.4 9.15 10.31 A5 D 183458.11+112632.2
18350+1127 STF2341 2015 24 265 15.4 9.15 10.31 A2V Y 183458.11+112632.2

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

 
 
WDS 18350+1127 STF 2341 (HD 171535) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18350+1127 STF 2341 (HD 171535) : MEASURES
 
 
No records found.

 
 
WDS 18350+1127 (HD 171535) : VIRTUAL EYEPIECE
 
 

18350+1127 STF2341A mag 9.15 Sp A2V 18350+1127 STF2341B sep 15.1 P.A. 264.40 mag 10.31 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 18350+1127 (HD 171535) : ALADIN DSS IMAGE @ 18h 34m 58.11s +11° 26' 32.2"
 
 
 
 
WDS 18350+1127 STF 2341 (HD 171535) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18350+1127 STF2341 distance=0' 18346+1134 BPM 790 distance=9' 18342+1123 HJ 1329 distance=13' 18344+1116 KRU 7 distance=14' 18360+1144 STT 357 distance=23' 18369+1129 BPM 792 distance=29' 18329+1111 DAM 639 distance=35' 18368+1151 L 39 distance=37' 18328+1147 HU 245 distance=39' 18378+1127 BLL 33 distance=43' 18328+1054 HEI 561 distance=47' 18380+1107 BPM 795 distance=49' 18321+1152 BRT1301 distance=51' 18337+1216 ADP 4 distance=53' 18340+1219 J 1170 distance=56' 18385+1107 BPM 798 distance=56' 18339+1220 J 1197 distance=58' 18310+1125 J 2131 distance=59' 18316+1203 HU 244 distance=62' 18316+1204 BPM 787 distance=62' 18396+1146 SLE 229BC distance=71' 18396+1146 AG 363AB distance=71' 18396+1146 SLE 229AD distance=71' 18396+1146 SLE 229AC distance=71' 18301+1127 BPM 784 distance=72' 18367+1019 L 9002 distance=72' 18364+1017 PRZ 14AB distance=73' 18364+1017 PRZ 14AC distance=73' 18326+1019 BRT1303 distance=76' 18400+1146 TDT 984 distance=77' 18370+1016 HU 247 distance=77' 18381+1229 BPM 797 distance=78' 18390+1035 J 2140 distance=78' 18384+1027 BRT1305 distance=79' 18296+1126 BRT1300 distance=79' 18403+1141 BRT1306 distance=80' 18390+1027 J 1266 distance=81' 18365+1009 BRT1304 distance=82' 18355+1005 BRT1945AB distance=82' 18355+1005 BRT1945AC distance=82' 18355+1005 J 2137CD distance=82' 18340+1250 J 1832 distance=84' 18298+1201 BPM 781 distance=84' 18379+1015 DAM 286 distance=84' 18292+1142 TOK 321AB distance=87' 18292+1142 TOK 321AC distance=87' 18395+1225 BPM 800 distance=89' 18381+1245 BPM 796 distance=92' 18412+1128 BPM 802 distance=92' 18388+1014 DAM 287 distance=92' 18299+1222 BPM 782 distance=94' 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 18350+1127 STF2341 265 15.4
Show 18346+1134 BPM 790 218 40.1 9
Show 18342+1123 HJ 1329 313 15.8 13
Show 18344+1116 KRU 7 50 2.7 14
Show 18360+1144 STT 357 68 0.4 23
Show 18369+1129 BPM 792 358 86.9 29
Show 18329+1111 DAM 639 256 7.0 35
Show 18368+1151 L 39 218 2.2 37
Show 18328+1147 HU 245 53 2.1 39
Show 18378+1127 BLL 33 265 131.1 43
Show 18328+1054 HEI 561 190 2.4 47
Show 18380+1107 BPM 795 38 108.9 49
Show 18321+1152 BRT1301 42 3.5 51
Show 18337+1216 ADP 4 301 3.9 53
Show 18340+1219 J 1170 120 4.5 56
Show 18385+1107 BPM 798 43.0 56
Show 18339+1220 J 1197 180 2.3 58
Show 18310+1125 J 2131 9 8.1 59
Show 18316+1203 HU 244 254 1.3 62
Show 18316+1204 BPM 787 159 26.9 62
Show 18396+1146 SLE 229 BC 195 22.4 71
Show 18396+1146 AG 363 AB 197 15.6 71
Show 18396+1146 SLE 229 AD 146 59.8 71
Show 18396+1146 SLE 229 AC 196 37.9 71
Show 18301+1127 BPM 784 290 32.8 72
Show 18367+1019 L 9002 275 4.9 72
Show 18364+1017 PRZ 14 AB 300 11.0 73
Show 18364+1017 PRZ 14 AC 101 43.9 73
Show 18326+1019 BRT1303 295 7.4 76
Show 18400+1146 TDT 984 137 1.4 77
Show 18370+1016 HU 247 359 0.4 77
Show 18381+1229 BPM 797 13 97.1 78
Show 18390+1035 J 2140 184 6.4 78
Show 18384+1027 BRT1305 135 4.9 79
Show 18296+1126 BRT1300 262 4.3 79
Show 18403+1141 BRT1306 348 3.6 80
Show 18390+1027 J 1266 29 2.0 81
Show 18365+1009 BRT1304 235 5.5 82
Show 18355+1005 BRT1945 AB 358 5.8 82
Show 18355+1005 BRT1945 AC 108 8.3 82
Show 18355+1005 J 2137 CD 156 11.8 82
Show 18340+1250 J 1832 353 6.7 84
Show 18298+1201 BPM 781 276 50.9 84
Show 18379+1015 DAM 286 312 3.4 84
Show 18292+1142 TOK 321 AB 113 43.2 87
Show 18292+1142 TOK 321 AC 257 167.2 87
Show 18395+1225 BPM 800 50 92.4 89
Show 18381+1245 BPM 796 221 65.0 92
Show 18412+1128 BPM 802 36 61.1 92
Show 18388+1014 DAM 287 110 2.7 92
Show 18299+1222 BPM 782 242 52.0 94

 
 
WDS 18350+1127 : COMPONENTS
 
 
  A
B pa=264.4°
sep=15.05"
 
 
18350+1127 A
 
 
Componente originario normalizzato AB Name HD 171535 Coord arcsec 2000 183458.11+112632.2 Mag 9.15
Spectral class A2V (white) PmRA -1.00 PmDE 1.0 SAO 103872
Tycho2 1032-01367-1 HD 171535 GC 25391 DM BD+11 3513
Tycho2
Tycho2 1032-01367-1 Pflag RAmdeg 278.74213562 DEmdeg 11.44227471
PmRA -1.0 PmDE -0.1 E RAmdeg 9 E DEmdeg 11
E pmRA 1.2 E pmDE 1.1 EpRAm 1990.69 EpDEm 1989.68
Num 10 Q RAmdeg 1.1 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 0.9 BTmag 9.745 E BTmag 0.022 VTmag 9.148
E VTmag 0.017 Prox 155 TYC T HIP
CCDM RAdeg 278.74213861 DEdeg 11.44227389 EpRA 1990 1.83
EpDE 1990 1.84 E RAdeg 9.3 E DEdeg 11.8 Posflg
Corr 0.1
SAO
SAO 103872 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.009 Vmag 8.9 SpType A5
Double code Source 70 CatNum 25391 DM BD+11 3513
DMcomp BDsup HD 171535 M HD 0
GC 25391 RA1950rad 4.8547591 DE1950rad 0.1989896 PmRA2000 0.0007
PmDE2000 -0.01
CCDM
Ccdm 18350+1127 RComp Comp A Note1
Note2 Discov num DRAs -1.89 DDEs -27.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp A5 PmNote *
PmRA 4 PmDE 1 Dm number +11 3513 Cat1 BD
Name2 +11 2080 Cat2 AGK2/3 HD 171535 M HD
ADS BDS B 8651 M ADS BDS N IDS IDS 18303N1122A
HIC
 
 
18350+1127 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183457.09+112630.7 Mag 10.31 PmRA -3.00
PmDE 0.0 Tycho2 1032-01176-1 Calc delta mag 1.16 Calc coord yes
Tycho2
Tycho2 1032-01176-1 Pflag RAmdeg 278.73777475 DEmdeg 11.44188780
PmRA -0.7 PmDE -1.8 E RAmdeg 24 E DEmdeg 28
E pmRA 1.3 E pmDE 1.3 EpRAm 1986.82 EpDEm 1984.05
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.841 E BTmag 0.046 VTmag 10.312
E VTmag 0.040 Prox 155 TYC T HIP
CCDM RAdeg 278.73777500 DEdeg 11.44189194 EpRA 1990 1.82
EpDE 1990 1.85 E RAdeg 25.3 E DEdeg 29.8 Posflg
Corr 0.1
CCDM
Ccdm 18350+1127 RComp Comp B Note1
Note2 Discov num STF2341 DRAs -2.95 DDEs -29.8
R dRAs 10 Year 1828 Theta 266 Rho 15.4
Obs 5 Vmag 10.4 Sp PmNote *
PmRA -3 PmDE -7 Dm number Cat1
Name2 +11 2079 Cat2 AGK2/3 HD M HD
ADS BDS B 8651 M ADS BDS N IDS IDS 18303N1122B
HIC