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Doubles in session


Current system
18526+1400
STF 2412
HD 174934


Nearby doubles
6' : 18523+1357
BPM 874

6' : 18528+1357
BPM 876

9' : 18520+1358
CHR 80

11' : 18522+1409
BPM 872

14' : 18531+1412
BPM 877

14' : 18526+1414
BPMA 67

18' : 18537+1353
BPM 880

31' : 18511+1421
BPMA 64

31' : 18506+1351
J 108

32' : 18510+1339
BPM 868

32' : 18517+1331
STF2409AB

33' : 18523+1432
STF2411AB

34' : 18538+1334
J 1188

34' : 18503+1408
HEI 398

39' : 18521+1322
TOB 296

40' : 18504+1336
BPM 861

41' : 18502+1339
BPM 857AB

43' : 18500+1420
BPM 854

45' : 18555+1413
BPM 888

46' : 18524+1445
BPMA 66

46' : 18556+1413
BPM 889

47' : 18523+1314
TOB 297

47' : 18541+1319
J 1837

48' : 18494+1400
BPM 847

51' : 18493+1416
BPM 845

51' : 18554+1331
BU 647AB



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.

18526+1400 STF 2412 (HD 174934)

 
 
18h 52m 35.04s +14° 00' 12.2" P.A. 56.00 sep 1.4 mag 8.96,9.03 Sp K2
 
 
Coord 2000 18526+1400 Discov num STF2412 Comp Coord arcsec 2000 18 52 35.04 +14 00 12.2
Date first 1830 Date last 2016 Obs 45
Pa first 53 Pa last 55.8 P.A. Now (θ) 55.8°
Sep first 1.3 Sep last 1.435 Sep. Now (ρ) 1.435"
Mag pri 8.96 Mag sec 9.03 delta mag (ΔM) 0.07 Spectral class K2 (yellow-orange)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -010 Sec motion dec -010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174934 Constellation Hercules SAO 104210 Tycho2 1038-01182-1
Gaia DR2 4507041755922658048 HD 174934 GC 25899
 
 
WDS 18526+1400 STF 2412 (HD 174934) : 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
18526+1400 STF2412 2000 41 55 1.6 8.96 9.03 K2 185235.04+140012.2
18526+1400 STF2412 2006 42 56 1.4 8.96 9.03 K2 185235.04+140012.2
18526+1400 STF2412 2008 43 56 1.4 8.96 9.03 K2 185235.04+140012.2
18526+1400 STF2412 2011 44 56 1.4 8.96 9.03 K2 185235.04+140012.2
18526+1400 STF2412 2015 42 57 1.4 8.96 9.03 K2 185235.04+140012.2
18526+1400 STF2412 2016 44 56 1.4 8.96 9.03 K2 185235.04+140012.2

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

 
 
WDS 18526+1400 STF 2412 (HD 174934) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18526+1400 STF 2412 (HD 174934) : MEASURES
 
 
No records found.

 
 
WDS 18526+1400 (HD 174934) : VIRTUAL EYEPIECE
 
 

18526+1400 STF2412A mag 8.96 Sp K2 18526+1400 STF2412B sep 1.4 P.A. 55.00 mag 9.03 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 18526+1400 (HD 174934) : ALADIN DSS IMAGE @ 18h 52m 35.04s +14° 00' 12.2"
 
 
 
 
WDS 18526+1400 STF 2412 (HD 174934) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18526+1400 STF2412 distance=1' 18523+1357 BPM 874 distance=6' 18528+1357 BPM 876 distance=6' 18520+1358 CHR 80 distance=9' 18522+1409 BPM 872 distance=11' 18531+1412 BPM 877 distance=14' 18526+1414 BPMA 67 distance=14' 18537+1353 BPM 880 distance=18' 18511+1421 BPMA 64 distance=31' 18506+1351 J 108 distance=31' 18510+1339 BPM 868 distance=32' 18517+1331 STF2409AB distance=32' 18517+1331 STF2409AC distance=32' 18517+1331 WAL 96AB,D distance=32' 18523+1432 STF2411AB distance=33' 18523+1432 WAL 97AC distance=33' 18523+1432 WAL 97AD distance=33' 18538+1334 J 1188 distance=34' 18503+1408 HEI 398 distance=34' 18521+1322 TOB 296 distance=39' 18504+1336 BPM 861 distance=40' 18502+1339 BPM 857AB distance=41' 18502+1339 BPM 857BC distance=41' 18500+1420 BPM 854 distance=43' 18555+1413 BPM 888 distance=45' 18524+1445 BPMA 66 distance=46' 18556+1413 BPM 889 distance=46' 18523+1314 TOB 297 distance=47' 18541+1319 J 1837 distance=47' 18494+1400 BPM 847 distance=48' 18493+1416 BPM 845 distance=51' 18554+1331 BU 647AB distance=51' 18554+1331 BU 647AC distance=51' 18554+1331 FOX9032AD distance=51' 18563+1344 BPM 895 distance=57' 18522+1302 TDT1094 distance=59' 18486+1344 BPM 836 distance=61' 18487+1426 BPM 839BC distance=61' 18542+1304 HDS2679 distance=62' 18487+1426 BPM 838AB distance=63' 18496+1313 SHY 309 distance=64' 18563+1435 BPM 896 distance=65' 18506+1458 BPM 863 distance=65' 18508+1301 BPM 865 distance=65' 18510+1501 HDS2673 distance=66' 18479+1403 BPM 833 distance=68' 18553+1304 BPMA 69 distance=69' 18515+1507 OL 105 distance=69' 18548+1300 J 532 distance=69' 18510+1505 BPMA 63 distance=69' 18491+1313 STF2399BC distance=70' 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 18526+1400 STF2412 56 1.4 1
Show 18523+1357 BPM 874 154 110.6 6
Show 18528+1357 BPM 876 272 62.9 6
Show 18520+1358 CHR 80 9 0.1 9
Show 18522+1409 BPM 872 132 116.0 11
Show 18531+1412 BPM 877 210 85.7 14
Show 18526+1414 BPMA 67 13 220.9 14
Show 18537+1353 BPM 880 163 116.0 18
Show 18511+1421 BPMA 64 274 231.1 31
Show 18506+1351 J 108 77 2.0 31
Show 18510+1339 BPM 868 14 74.9 32
Show 18517+1331 STF2409 AB 22 0.9 32
Show 18517+1331 STF2409 AC 196 33.8 32
Show 18517+1331 WAL 96 AB,D 291 72.7 32
Show 18523+1432 STF2411 AB 95 13.3 33
Show 18523+1432 WAL 97 AC 87 60.1 33
Show 18523+1432 WAL 97 AD 118 83.8 33
Show 18538+1334 J 1188 196 2.0 34
Show 18503+1408 HEI 398 107 1.8 34
Show 18521+1322 TOB 296 109 20.8 39
Show 18504+1336 BPM 861 207 104.3 40
Show 18502+1339 BPM 857 AB 257 44.9 41
Show 18502+1339 BPM 857 BC 43 3.4 41
Show 18500+1420 BPM 854 271 66.2 43
Show 18555+1413 BPM 888 189 100.8 45
Show 18524+1445 BPMA 66 351 253.5 46
Show 18556+1413 BPM 889 300 117.0 46
Show 18523+1314 TOB 297 86 16.8 47
Show 18541+1319 J 1837 120 7.6 47
Show 18494+1400 BPM 847 97 42.6 48
Show 18493+1416 BPM 845 100 106.7 51
Show 18554+1331 BU 647 AB 5 1.3 51
Show 18554+1331 BU 647 AC 218 18.5 51
Show 18554+1331 FOX9032 AD 86 37.5 51
Show 18563+1344 BPM 895 347 90.5 57
Show 18522+1302 TDT1094 302 1.8 59
Show 18486+1344 BPM 836 173 36.6 61
Show 18487+1426 BPM 839 BC 319 107.1 61
Show 18542+1304 HDS2679 317 0.5 62
Show 18487+1426 BPM 838 AB 69 91.1 63
Show 18496+1313 SHY 309 161 999.9 64
Show 18563+1435 BPM 896 31 99.8 65
Show 18506+1458 BPM 863 270 86.3 65
Show 18508+1301 BPM 865 273 87.5 65
Show 18510+1501 HDS2673 299 0.1 66
Show 18479+1403 BPM 833 172 98.0 68
Show 18553+1304 BPMA 69 26 136.8 69
Show 18515+1507 OL 105 157 4.7 69
Show 18548+1300 J 532 4 4.4 69
Show 18510+1505 BPMA 63 327 156.2 69
Show 18491+1313 STF2399 BC 18 29.7 70

 
 
WDS 18526+1400 : COMPONENTS
 
 
  A
B pa=55.0°
sep=1.41"
 
 
18526+1400 A
 
 
Componente originario normalizzato AB Name HD 174934 Coord arcsec 2000 185235.04+140012.2 Mag 8.96
Spectral class K2 (yellow-orange) PmRA 1.00 PmDE -10.0 SAO 104210
Tycho2 1038-01182-1 HD 174934 GC 25899 DM BD+13 3795
Tycho2
Tycho2 1038-01182-1 Pflag P RAmdeg 283.14599284 DEmdeg 14.00338804
PmRA 1.0 PmDE -10.1 E RAmdeg 14 E DEmdeg 15
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.27 EpDEm 1989.96
Num 7 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.8 BTmag 10.311 E BTmag 0.036 VTmag 8.963
E VTmag 0.019 Prox 14 TYC T HIP
CCDM RAdeg 283.14582806 DEdeg 14.00329889 EpRA 1990 1.72
EpDE 1990 1.73 E RAdeg 14.1 E DEdeg 15.0 Posflg D
Corr 0.0
SAO
SAO 104210 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 -0.024 Vmag 7.9 SpType K2
Double code Source 70 CatNum 25899 DM BD+13 3795
DMcomp BDsup HD 174934 M HD 0
GC 25899 RA1950rad 4.93182717 DE1950rad 0.24332337 PmRA2000 0.0003
PmDE2000 -0.024
CCDM
Ccdm 18526+1400 RComp Comp A Note1
Note2 Discov num DRAs -0.95 DDEs 12.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp K2 PmNote *
PmRA 9 PmDE -7 Dm number +13 3795 Cat1 BD
Name2 +13 1849 Cat2 AGK2/3 HD 174934 M HD
ADS BDS A11778 M ADS BDS N IDS IDS 18480N1353A
HIC
 
 
18526+1400 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185235.12+140013.0 Mag 9.03 PmRA 1.00
PmDE -10.0 Tycho2 1038-01182-2 Calc delta mag 0.07 Calc coord yes
Tycho2
Tycho2 1038-01182-2 Pflag P RAmdeg 283.14599284 DEmdeg 14.00338804
PmRA 1.0 PmDE -10.1 E RAmdeg 14 E DEmdeg 15
E pmRA 1.4 E pmDE 1.3 EpRAm 1990.27 EpDEm 1989.96
Num 7 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.8 BTmag 10.326 E BTmag 0.036 VTmag 9.034
E VTmag 0.020 Prox 14 TYC T HIP
CCDM RAdeg 283.14615889 DEdeg 14.00352694 EpRA 1990 1.72
EpDE 1990 1.73 E RAdeg 14.9 E DEdeg 15.9 Posflg D
Corr 0.0
CCDM
Ccdm 18526+1400 RComp Comp B Note1
Note2 Discov num STF2412 DRAs DDEs
R dRAs Year 1830 Theta 056 Rho 1.4
Obs 18 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11778 M ADS BDS N IDS IDS 18480N1353B
HIC