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Doubles in session


Current system
18311+3215
STF 2333 AC


Nearby doubles
17' : 18310+3231
SEI 564

23' : 18324+3231
TDT 932

25' : 18318+3152
SLE 191

25' : 18292+3220
HJ 1326

33' : 18303+3246
SLE 184

36' : 18333+3203
SLE 201

37' : 18339+3208
SLE 209

42' : 18295+3251
COU1149

42' : 18322+3136
UC 3602

43' : 18343+3205
ES 2419

44' : 18344+3200
ES 2420AB

46' : 18330+3136
STF2340AB

49' : 18295+3259
TDS 925

49' : 18347+3158
SLE 211

56' : 18267+3211
ES 2418

56' : 18355+3215
CRB 127

56' : 18351+3151
UC 3620

57' : 18295+3307
UC 3592

57' : 18303+3120
LDS4789

61' : 18310+3115
A 247

62' : 18274+3137
J 761

68' : 18364+3209
SLE 219

70' : 18356+3136
SLE 217

78' : 18371+3201
SLE 220

80' : 18314+3055
SLE 186

92' : 18378+3249
LDS4792



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.

18311+3215 STF 2333 AC

 
 
18h 31m 06.94s +32° 14' 43.4" P.A. 35.00 sep 164.1 mag 7.82,12.90 Sp B9IV dist. 216.92 pc (707.59 l.y.)
 
 
Coord 2000 18311+3215 Discov num STF2333 Comp AC Coord arcsec 2000 18 31 06.94 +32 14 43.4
Date first 1909 Date last 2015 Obs 10
Pa first 35 Pa last 34.7 P.A. Now (θ) 34.7°
Sep first 163.8 Sep last 164.13 Sep. Now (ρ) 164.13"
Mag pri 7.82 Mag sec 12.90 delta mag (ΔM) 5.08 Spectral class B9IV (blue-white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec -002 Sec motion dec +002
Notes
rPM=1.789
This double is not physical.
 
 
18311+3215 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 171026 67059 18 31 07 +32 14 43 STF 2333 AB 2019 64 333 6.3 7.82 8.57 0.75
Show 67059 18 31 07 +32 14 43 STF 2333 AC 2015 10 35 164.1 7.82 12.90 5.08 <===
Show 67059 18 31 07 +32 14 43 STF 2333 AD 2015 8 339 85.8 7.82 13.70 5.88
Show 18 31 07 +32 14 49 STF 2333 BC 2015 10 37 161.1 8.57 12.90 4.33
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 67059 HIP 90766 Tycho2 2628-00495-1
Gaia DR2 4592126913461440512 HD 171026 BD BD+32 3143 Distance 216.92
Distance ly 707.59
 
 
WDS 18311+3215 STF 2333 AC : 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
18311+3215 STF2333 AC 1998 4 35 164.2 7.82 13.00 B9IV D 183106.94+321443.4
18311+3215 STF2333 AC 2002 5 35 164.4 7.82 12.90 B9IV D 183106.94+321443.4
18311+3215 STF2333 AC 2015 6 35 164.2 7.82 12.90 B9IV 183106.94+321443.4

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

 
 
WDS 18311+3215 STF 2333 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18311+3215 STF 2333 AC : MEASURES
 
 
No records found.

 
 
WDS 18311+3215 : VIRTUAL EYEPIECE
 
 

18311+3215 STF2333A mag 7.82 Sp B9IV 18311+3215 STF2333B sep 6.5 P.A. 331.90 mag 8.57 18311+3215 STF2333C sep 156.4 P.A. 30.40 mag 12.9 18311+3215 STF2333D sep 84.2 P.A. 341.80 mag 13.7 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 18311+3215 : ALADIN DSS IMAGE @ 18h 31m 06.94s +32° 14' 43.4"
 
 
 
 
WDS 18311+3215 STF 2333 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18311+3215 STF2333AC distance=0' 18311+3215 STF2333BC distance=1' 18310+3231 SEI 564 distance=17' 18324+3231 TDT 932 distance=23' 18318+3152 SLE 191 distance=25' 18292+3220 HJ 1326 distance=25' 18303+3246 SLE 184 distance=33' 18333+3203 SLE 201 distance=36' 18339+3208 SLE 209 distance=37' 18295+3251 COU1149 distance=42' 18322+3136 UC 3602 distance=42' 18343+3205 ES 2419 distance=43' 18344+3200 ES 2420AB distance=44' 18344+3200 TOB 151AC distance=44' 18330+3136 STF2340AB distance=46' 18330+3136 STF2340AC distance=46' 18330+3136 SLE 196AD distance=46' 18330+3136 STF2340BC distance=47' 18330+3136 SLE 196BD distance=47' 18295+3259 TDS 925 distance=49' 18347+3158 SLE 211 distance=49' 18267+3211 ES 2418 distance=56' 18355+3215 CRB 127 distance=56' 18351+3151 UC 3620 distance=56' 18295+3307 UC 3592 distance=57' 18303+3120 LDS4789 distance=57' 18310+3115 A 247 distance=61' 18274+3137 J 761 distance=62' 18364+3209 SLE 219 distance=68' 18356+3136 SLE 217 distance=70' 18371+3201 SLE 220 distance=78' 18314+3055 SLE 186 distance=80' 18378+3249 LDS4792 distance=92' 18333+3040 SLE 199 distance=99' 18247+3311 HO 653 distance=99' 18366+3328 STF2349AB distance=102' 18366+3328 WAL 92AC distance=102' 18375+3112 A 250 distance=103' 18328+3033 BU 1253 distance=104' 18349+3347 TDT 944 distance=104' 18392+3242 SEI 567 distance=107' 18290+3029 TDT 901 distance=110' 18225+3234 TDT 821 distance=111' 18225+3130 J 760 distance=119' 18220+3245 UC 3561 distance=119' 18389+3106 SLE 113 distance=122' 18309+3417 COU1150Aa,Ab distance=122' 18309+3417 STF2335AB distance=122' 18309+3417 STF2335AC distance=122' 18309+3417 ABH 100AD distance=122' 18309+3417 ABH 100AE distance=122' 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 18311+3215 STF2333 AB 333 6.3
Show 18311+3215 STF2333 AD 339 85.8
Show 18311+3215 STF2333 AC 35 164.1
Show 18311+3215 STF2333 BC 37 161.1 1
Show 18310+3231 SEI 564 24 15.6 17
Show 18324+3231 TDT 932 320 0.5 23
Show 18318+3152 SLE 191 313 6.2 25
Show 18292+3220 HJ 1326 6 11.0 25
Show 18303+3246 SLE 184 63 35.9 33
Show 18333+3203 SLE 201 259 22.2 36
Show 18339+3208 SLE 209 26 10.3 37
Show 18295+3251 COU1149 130 4.8 42
Show 18322+3136 UC 3602 320 71.6 42
Show 18343+3205 ES 2419 156 3.8 43
Show 18344+3200 ES 2420 AB 129 2.9 44
Show 18344+3200 TOB 151 AC 286 25.0 44
Show 18330+3136 STF2340 AB 104 25.1 46
Show 18330+3136 STF2340 AC 150 223.3 46
Show 18330+3136 SLE 196 AD 106 46.6 46
Show 18330+3136 STF2340 BC 155 206.6 47
Show 18330+3136 SLE 196 BD 126 11.6 47
Show 18295+3259 TDS 925 89 1.8 49
Show 18347+3158 SLE 211 270 9.4 49
Show 18267+3211 ES 2418 69 5.6 56
Show 18355+3215 CRB 127 31 10.9 56
Show 18351+3151 UC 3620 264 14.5 56
Show 18295+3307 UC 3592 250 10.3 57
Show 18303+3120 LDS4789 154 56.3 57
Show 18310+3115 A 247 57 3.0 61
Show 18274+3137 J 761 180 3.7 62
Show 18364+3209 SLE 219 246 11.2 68
Show 18356+3136 SLE 217 246 13.9 70
Show 18371+3201 SLE 220 238 18.3 78
Show 18314+3055 SLE 186 106 19.0 80
Show 18378+3249 LDS4792 45 3.7 92
Show 18333+3040 SLE 199 319 8.7 99
Show 18247+3311 HO 653 265 10.3 99
Show 18366+3328 STF2349 AB 204 7.2 102
Show 18366+3328 WAL 92 AC 314 32.9 102
Show 18375+3112 A 250 114 2.4 103
Show 18328+3033 BU 1253 157 7.0 104
Show 18349+3347 TDT 944 153 0.7 104
Show 18392+3242 SEI 567 353 13.0 107
Show 18290+3029 TDT 901 45 0.5 110
Show 18225+3234 TDT 821 72 1.9 111
Show 18225+3130 J 760 212 3.1 119
Show 18220+3245 UC 3561 236 15.9 119
Show 18389+3106 SLE 113 125 11.0 122
Show 18309+3417 COU1150 Aa,Ab 283 0.4 122
Show 18309+3417 STF2335 AB 318 11.7 122
Show 18309+3417 STF2335 AC 153 25.3 122

 
 
WDS 18311+3215 : COMPONENTS
 
 
  A B C
B pa=331.9°
sep=6.46"
 
C pa=30.4°
sep=156.37"
pa=32.4°
sep=153.09"
 
D pa=341.8°
sep=84.16"
pa=342.7°
sep=77.80"
pa=242.4°
sep=118.72"
 
 
18311+3215 A
 
 
Name HD 171026 Coord arcsec 2000 183106.94+321443.4 Mag 7.82 Spectral class B9IV (blue-white)
PmRA -1.00 PmDE -2.0 SAO 67059 HIP 90766
Tycho2 2628-00495-1 HD 171026 GC 25299 BD BD+32 3143
Tycho2
Tycho2 2628-00495-1 Pflag RAmdeg 277.77890359 DEmdeg 32.24538777
PmRA -2.9 PmDE -0.5 E RAmdeg 5 E DEmdeg 6
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.57 EpDEm 1991.44
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.6 BTmag 7.797 E BTmag 0.016 VTmag 7.817
E VTmag 0.012 Prox 64 TYC T HIP 90766
CCDM A RAdeg 277.77891167 DEdeg 32.24538889 EpRA 1990 1.71
EpDE 1990 1.63 E RAdeg 4.6 E DEdeg 5.5 Posflg
Corr -0.3
SAO
SAO 67059 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0 Vmag 7.3 SpType A0
Double code Source 70 CatNum 25299 DM BD+32 3143
DMcomp BDsup HD 171026 M HD 0
GC 25299 RA1950rad 4.84001347 DE1950rad 0.56215179 PmRA2000 0.0012
PmDE2000 0
Hipparcos
Catalog H HIP 90766 Proxy H RAhms 18 31 06.94
DEdms +32 14 43.4 Vmag 7.45 VarFlag R Vmag H
RAdeg 277.779 DEdeg 32.2454 AstroRef A Plx 2.09
CCDM 18311+3215 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 333 Rho 6.456 HD 171026 BD BD+32 3143
CD CP Dm number +32 3143 VIred -0.04
SpType A0... R SpType Coord arcsec 2000 183106.94+321443.4
Hipparcos 2
HIP 90766 Sn 15 So 3 Nc 2
RArad 4.8481567204 DErad 0.5627881544 Plx 4.61 PmRA -1.14
PmDE -1.86 E RArad 0.62 E DErad 0.46 E Plx 0.78
E pmRA 0.76 E pmDE 0.73 Hpmag 7.4571 E Hpmag 0.0013
SHp 0.013 VA 0 BV -0.019 E BV 0.01
VI 0
CCDM
Ccdm 18311+3215 RComp Comp A Note1
Note2 Discov num DRAs 1.04 DDEs -16.2
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.8 Sp A0 PmNote *
PmRA 13 PmDE 1 Dm number +32 3143 Cat1 BD
Name2 67059 Cat2 SAO HD 171026 M HD
ADS BDS A11424 M ADS BDS N IDS IDS 18274N3210A
HIC 90766
 
 
18311+3215 B
 
 
Coord arcsec 2000 183106.70+321449.1 Coord calc 183106.70+321449.1 Mag 8.57 PmRA -1.00
PmDE -2.0 Tycho2 2628-02310-1 Calc delta mag 0.75
Tycho2
Tycho2 2628-02310-1 Pflag RAmdeg 277.77796283 DEmdeg 32.24697664
PmRA -6.5 PmDE 3.6 E RAmdeg 6 E DEmdeg 7
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.53 EpDEm 1991.46
Num 4 Q RAmdeg 1.2 Q DEmdeg 1.7 Q pmRA 1.1
Q pmDE 1.7 BTmag 8.536 E BTmag 0.017 VTmag 8.572
E VTmag 0.014 Prox 64 TYC T HIP 90766
CCDM B RAdeg 277.77798028 DEdeg 32.24696833 EpRA 1990 1.68
EpDE 1990 1.66 E RAdeg 6.3 E DEdeg 7.4 Posflg
Corr -0.3
CCDM
Ccdm 18311+3215 RComp Comp B Note1
Note2 Discov num STF2333 DRAs DDEs
R dRAs Year 1831 Theta 334 Rho 6.4
Obs 23 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11424 M ADS BDS N IDS IDS 18274N3210B
HIC 90766
 
 
18311+3215 C
 
 
Coord arcsec 2000 183113.17+321658.3 Mag 12.9 PmRA -1.00 PmDE 2.0
Calc delta mag 5.08 Calc coord yes
CCDM
Ccdm 18311+3215 RComp Comp C Note1
Note2 Discov num STF2333 DRAs DDEs
R dRAs Year 1909 Theta 035 Rho 163.8
Obs 2 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11424 M ADS BDS N IDS IDS 18274N3210C
HIC
 
 
18311+3215 D
 
 
Coord arcsec 2000 183104.87+321603.4 Mag 13.7 PmRA 2.00 PmDE 16.0
Calc delta mag 5.88 Calc coord yes
CCDM
Ccdm 18311+3215 RComp Comp D Note1
Note2 Discov num STF2333 DRAs DDEs
R dRAs Year 1952 Theta 339 Rho 85.0
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11424 M ADS BDS N IDS IDS 18274N3210D
HIC