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Doubles in session


Current system
18104+0232
STF 2288
HD 166415


Nearby doubles
4' : 18103+0235
STF2287AB

19' : 18097+0247
BAL1955

23' : 18103+0209
DAL 18AB

33' : 18083+0230
BAL1953AB

36' : 18121+0207
BAL1957

37' : 18080+0222
WLY 9

37' : 18099+0307
BU 637AB

38' : 18117+0200
BAL1499

38' : 18121+0258
GRV 231

38' : 18128+0243
BAL1958

38' : 18129+0228
HEI 559

39' : 18083+0209
BAL1954

39' : 18081+0213
BU 636AB

41' : 18130+0243
BAL1959AB

43' : 18076+0224
BAL1952

45' : 18074+0227
BAL1951

48' : 18123+0154
A 2260AB

48' : 18090+0315
BAL2477

54' : 18079+0153
OSO 93AB

56' : 18106+0327
BAL2481

60' : 18076+0314
SLE 85

61' : 18077+0317
AG 216

61' : 18084+0325
BAL2475

62' : 18069+0159
BAL1498

64' : 18144+0251
BAL1960

72' : 18152+0229
BAL1961



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.

18104+0232 STF 2288 (HD 166415)

 
 
18h 10m 23.26s +02° 31' 46.2" P.A. 58.00 sep 15.9 mag 8.73,10.90 Sp A0
 
 
Coord 2000 18104+0232 Discov num STF2288 Comp Coord arcsec 2000 18 10 23.26 +02 31 46.2
Date first 1827 Date last 2015 Obs 22
Pa first 60 Pa last 57.8 P.A. Now (θ) 57.8°
Sep first 10.0 Sep last 15.88 Sep. Now (ρ) 15.88"
Mag pri 8.73 Mag sec 10.90 delta mag (ΔM) 2.17 Spectral class A0 (white)
Pri motion ra -001 Sec motion ra +001
Pri motion dec -005 Sec motion dec -006
Notes
rPM=0.368
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166415 Constellation Ophiuchus SAO 123206 Tycho2 0435-04774-1
Gaia DR2 4468338946609273216 HD 166415 GC 24776
 
 
WDS 18104+0232 STF 2288 (HD 166415) : 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
18104+0232 STF2288 2006 12 50 15.9 8.73 10.90 A0 D 181023.26+023146.2
18104+0232 STF2288 2013 16 59 15.4 8.73 10.90 A0 181023.26+023146.2
18104+0232 STF2288 2015 18 58 15.9 8.73 10.90 A0 181023.26+023146.2

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

 
 
WDS 18104+0232 STF 2288 (HD 166415) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18104+0232 STF 2288 (HD 166415) : MEASURES
 
 
No records found.

 
 
WDS 18104+0232 (HD 166415) : VIRTUAL EYEPIECE
 
 

18104+0232 STF2288A mag 8.73 Sp A0 18104+0232 STF2288B sep 15.9 P.A. 57.80 mag 10.9 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 18104+0232 (HD 166415) : ALADIN DSS IMAGE @ 18h 10m 23.26s +02° 31' 46.2"
 
 
 
 
WDS 18104+0232 STF 2288 (HD 166415) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18104+0232 STF2288 distance=0' 18103+0235 BU 638BC distance=4' 18103+0235 STF2287AB distance=4' 18103+0235 BU 638AD distance=4' 18103+0235 BU 638AE distance=4' 18097+0247 BAL1955 distance=19' 18103+0209 DAL 18AB distance=23' 18103+0209 DAL 18AC distance=23' 18083+0230 NYS 7BC distance=33' 18083+0230 BAL1953AB distance=33' 18121+0207 BAL1957 distance=36' 18080+0222 WLY 9 distance=37' 18099+0307 BU 637AB distance=37' 18099+0307 BU 637AC distance=37' 18099+0307 YSC 132Aa,Ab distance=37' 18117+0200 BAL1499 distance=38' 18121+0258 GRV 231 distance=38' 18128+0243 BAL1958 distance=38' 18129+0228 HEI 559 distance=38' 18083+0209 BAL1954 distance=39' 18081+0213 BU 636AB distance=39' 18081+0213 BU 636AC distance=39' 18081+0213 BU 636AD distance=39' 18081+0213 GII 259Aa,Ab distance=39' 18130+0243 BAL1959AB distance=41' 18130+0243 BAL1959AC distance=41' 18130+0243 BAL1959BC distance=42' 18076+0224 BAL1952 distance=43' 18074+0227 BAL1951 distance=45' 18123+0154 A 2260AB distance=48' 18123+0154 RAO 66AC distance=48' 18090+0315 BAL2477 distance=48' 18079+0153 OSO 93AB distance=54' 18079+0153 OSO 93AC distance=54' 18079+0153 OSO 93AD distance=54' 18079+0153 OSO 93AE distance=54' 18079+0153 OSO 93AF distance=54' 18106+0327 BAL2481 distance=56' 18076+0314 SLE 85 distance=60' 18077+0317 AG 216 distance=61' 18084+0325 BAL2475 distance=61' 18069+0159 BAL1498 distance=62' 18144+0251 BAL1960 distance=64' 18152+0229 BAL1961 distance=72' 18055+0230 STF2272BC distance=74' 18055+0230 STF2272BD distance=74' 18055+0230 STF2272BR distance=74' 18055+0230 STF2272BZ distance=74' 18055+0230 STF2272AB distance=74' 18055+0230 STF2272AS distance=74' 18055+0230 STF2272AU distance=74' 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 18104+0232 STF2288 58 15.9
Show 18103+0235 BU 638 BC 4 1.8 4
Show 18103+0235 STF2287 AB 153 22.9 4
Show 18103+0235 BU 638 AD 222 59.7 4
Show 18103+0235 BU 638 AE 344 13.7 4
Show 18097+0247 BAL1955 174 28.4 19
Show 18103+0209 DAL 18 AB 274 12.5 23
Show 18103+0209 DAL 18 AC 314 45.0 23
Show 18083+0230 NYS 7 BC 84 16.0 33
Show 18083+0230 BAL1953 AB 122 17.1 33
Show 18121+0207 BAL1957 231 8.7 36
Show 18080+0222 WLY 9 94 16.4 37
Show 18099+0307 BU 637 AB 191 7.2 37
Show 18099+0307 BU 637 AC 245 98.2 37
Show 18099+0307 YSC 132 Aa,Ab 357 0.0 37
Show 18117+0200 BAL1499 151 6.3 38
Show 18121+0258 GRV 231 181 50.7 38
Show 18128+0243 BAL1958 140 3.9 38
Show 18129+0228 HEI 559 173 0.8 38
Show 18083+0209 BAL1954 226 13.6 39
Show 18081+0213 BU 636 AB 120 1.4 39
Show 18081+0213 BU 636 AC 93 11.7 39
Show 18081+0213 BU 636 AD 348 40.8 39
Show 18081+0213 GII 259 Aa,Ab 168 0.1 39
Show 18130+0243 BAL1959 AB 31 23.1 41
Show 18130+0243 BAL1959 AC 66 15.4 41
Show 18130+0243 BAL1959 BC 171 13.8 42
Show 18076+0224 BAL1952 153 13.5 43
Show 18074+0227 BAL1951 251 3.2 45
Show 18123+0154 A 2260 AB 107 1.9 48
Show 18123+0154 RAO 66 AC 72 17.2 48
Show 18090+0315 BAL2477 162 18.8 48
Show 18079+0153 OSO 93 AB 21 12.7 54
Show 18079+0153 OSO 93 AC 295 13.1 54
Show 18079+0153 OSO 93 AD 171 17.6 54
Show 18079+0153 OSO 93 AE 66 21.7 54
Show 18079+0153 OSO 93 AF 194 20.9 54
Show 18106+0327 BAL2481 108 10.7 56
Show 18076+0314 SLE 85 181 11.3 60
Show 18077+0317 AG 216 91 2.4 61
Show 18084+0325 BAL2475 88 5.5 61
Show 18069+0159 BAL1498 255 3.0 62
Show 18144+0251 BAL1960 176 13.8 64
Show 18152+0229 BAL1961 358 17.4 72
Show 18055+0230 STF2272 BC 322 81.2 74
Show 18055+0230 STF2272 BD 311 120.0 74
Show 18055+0230 STF2272 BR 29 154.3 74
Show 18055+0230 STF2272 BZ 163 70.2 74
Show 18055+0230 STF2272 AB 121 6.9 74
Show 18055+0230 STF2272 AS 10 202.6 74
Show 18055+0230 STF2272 AU 337 255.5 74

 
 
WDS 18104+0232 : COMPONENTS
 
 
  A
B pa=57.8°
sep=15.87"
 
 
18104+0232 A
 
 
Componente originario normalizzato AB Name HD 166415 Coord arcsec 2000 181023.26+023146.2 Mag 8.73
Spectral class A0 (white) PmRA -1.00 PmDE -5.0 SAO 123206
Tycho2 0435-04774-1 HD 166415 GC 24776 DM BD+02 3517
Tycho2
Tycho2 0435-04774-1 Pflag RAmdeg 272.59691602 DEmdeg 2.52950353
PmRA -2.8 PmDE -5.2 E RAmdeg 9 E DEmdeg 10
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.76 EpDEm 1990.57
Num 11 Q RAmdeg 0.9 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.7 BTmag 9.031 E BTmag 0.019 VTmag 8.735
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 272.59692222 DEdeg 2.52951528 EpRA 1990 1.83
EpDE 1990 1.79 E RAdeg 8.7 E DEdeg 9.5 Posflg
Corr 0.1
SAO
SAO 123206 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.017 Vmag 8.5 SpType A0
Double code Source 70 CatNum 24776 DM BD+02 3517
DMcomp BDsup HD 166415 M HD 0
GC 24776 RA1950rad 4.74674189 DE1950rad 0.04395245 PmRA2000 -0.0008
PmDE2000 -0.017
CCDM
Ccdm 18104+0232 RComp Comp A Note1
Note2 Discov num DRAs -0.80 DDEs -14.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A0 PmNote *
PmRA -15 PmDE -20 Dm number +02 3517 Cat1 BD
Name2 +02 2219 Cat2 AGK2/3 HD 166415 M HD
ADS BDS B 8394 M ADS BDS N IDS IDS 18054N0231A
HIC
 
 
18104+0232 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181024.16+023154.7 Mag 10.9 PmRA 1.00
PmDE -6.0 Calc delta mag 2.17 Calc coord yes
CCDM
Ccdm 18104+0232 RComp Comp B Note1
Note2 Discov num STF2288 DRAs -0.01 DDEs -4.2
R dRAs 91 Year 1863 Theta 059 Rho 15.7
Obs 6 Vmag 10.8 Sp PmNote *
PmRA -33 PmDE 0 Dm number Cat1
Name2 +02 2220 Cat2 AGK2/3 HD M HD
ADS BDS B 8394 M ADS BDS N N IDS IDS 18054N0231B
HIC