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Current system
17500+0520
STF 2227


Nearby doubles
14' : 17494+0534
TDS 886

24' : 17488+0542
CVR 207

24' : 17490+0458
STF2223

29' : 17475+0530
UC 3408

37' : 17470+0526
DCH 114

40' : 17506+0445
BAL2905

41' : 17470+0542
STF2216

41' : 17468+0534
A 1161

44' : 17504+0440
BAL2901

49' : 17464+0542
STF2212

50' : 17461+0532
CHR 157

51' : 17504+0433
BAL2902AB

53' : 17519+0556
SKF2214

59' : 17482+0616
J 2116AB

59' : 17533+0523
TDT 557

60' : 17528+0550
UC 3438

62' : 17531+0545
UC 3440

63' : 17536+0516
STF2240

65' : 17478+0621
ITF 5

68' : 17503+0415
HJ 855

69' : 17448+0512
TDT 484

74' : 17532+0606
JNN 244AB

74' : 17493+0406
DAM 95

76' : 17493+0404
BAL2899

77' : 17496+0404
DAM 96

80' : 17469+0630
A 1162AB



Selections
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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.

17500+0520 STF 2227

 
 
17h 49m 22.00s +05° 20' 19.0" P.A. 110.00 sep 15.1 mag 9.55,9.60 Sp G:+A6
 
 
Coord 2000 17500+0520 Discov num STF2227 Comp Coord arcsec 2000 17 49 22.00 +05 20 19.0
Date first 1830 Date last 2015 Obs 32
Pa first 117 Pa last 110.1 P.A. Now (θ) 110.1°
Sep first 19.7 Sep last 15.066 Sep. Now (ρ) 15.066"
Mag pri 9.55 Mag sec 9.60 delta mag (ΔM) 0.05 Spectral class G:+A6 (yellow/white)
Pri motion ra +015 Sec motion ra -007
Pri motion dec -018 Sec motion dec +001
Notes U (Proper motion indicates non-physical)
rPM=1.241
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus Tycho2 0424-01050-1 Gaia DR2 4473817980544024704 DM BD+05 3517
 
 
WDS 17500+0520 STF 2227 : 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
17500+0520 STF2227 2005 19 110 15.3 9.55 9.60 K5 175001.53+052000.8
17500+0520 STF2227 2010 24 111 15.2 9.55 9.60 G:+A6 U 174922.00+052019.0
17500+0520 STF2227 2015 28 110 15.1 9.55 9.60 G:+A6 U 174922.00+052019.0

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

 
 
WDS 17500+0520 STF 2227 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17500+0520 STF 2227 : MEASURES
 
 
No records found.

 
 
WDS 17500+0520 : VIRTUAL EYEPIECE
 
 

17500+0520 STF2227A mag 9.55 Sp G: 17500+0520 STF2227B sep 15.0 P.A. 110.20 mag 9.6 Sp A6 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 17500+0520 : ALADIN DSS IMAGE @ 17h 49m 22.00s +05° 20' 19.0"
 
 
 
 
WDS 17500+0520 STF 2227 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17500+0520 STF2227 distance=0' 17494+0534 TDS 886 distance=14' 17488+0542 CVR 207 distance=24' 17490+0458 STF2223 distance=24' 17475+0530 UC 3408 distance=29' 17470+0526 DCH 114 distance=37' 17506+0445 BAL2905 distance=40' 17470+0542 STF2216 distance=41' 17468+0534 A 1161 distance=41' 17504+0440 BAL2901 distance=44' 17464+0542 STF2212 distance=49' 17461+0532 CHR 157 distance=50' 17504+0433 BAL2902BC distance=51' 17504+0433 BAL2902AB distance=51' 17504+0433 BAL2902AC distance=51' 17519+0556 SKF2214 distance=53' 17482+0616 J 2116AB distance=59' 17533+0523 TDT 557 distance=59' 17482+0616 J 2116BC distance=60' 17528+0550 UC 3438 distance=60' 17531+0545 UC 3440 distance=62' 17536+0516 STF2240 distance=63' 17478+0621 ITF 5 distance=65' 17503+0415 HJ 855 distance=68' 17448+0512 TDT 484 distance=69' 17532+0606 JNN 244AB distance=74' 17532+0606 JNN 244AC distance=74' 17532+0606 JNN 244AD distance=74' 17493+0406 DAM 95 distance=74' 17493+0404 BAL2899 distance=76' 17496+0404 DAM 96 distance=77' 17469+0630 A 1162AB distance=80' 17469+0630 A 1162AC distance=80' 17550+0521 BRT2173 distance=84' 17439+0551 STF2200AB distance=88' 17439+0551 STF2200AC distance=88' 17459+0409 BAL2898 distance=89' 17551+0546 GWP2744 distance=90' 17465+0639 GWP2734 distance=90' 17516+0350 BAL2457 distance=97' 17436+0430 BAL2896 distance=99' 17430+0547 HDS2506 distance=99' 17427+0520 AG 212 distance=100' 17470+0346 BAL2452 distance=102' 17449+0357 BAL2897 distance=107' 17553+0416 BAL2906 distance=110' 17547+0636 HEI 866 distance=110' 17422+0456 FAL 57 distance=110' 17418+0458 BAL3011 distance=115' 17567+0447 HEI 255 distance=115' 17506+0714 STT 337 distance=116' 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 17500+0520 STF2227 110 15.1
Show 17494+0534 TDS 886 298 2.1 14
Show 17488+0542 CVR 207 219 14.0 24
Show 17490+0458 STF2223 210 18.5 24
Show 17475+0530 UC 3408 312 54.3 29
Show 17470+0526 DCH 114 118 1.9 37
Show 17506+0445 BAL2905 275 18.3 40
Show 17470+0542 STF2216 27 27.3 41
Show 17468+0534 A 1161 286 0.8 41
Show 17504+0440 BAL2901 8.6 44
Show 17464+0542 STF2212 340 3.3 49
Show 17461+0532 CHR 157 35 0.3 50
Show 17504+0433 BAL2902 BC 50 18.5 51
Show 17504+0433 BAL2902 AB 50 3.3 51
Show 17504+0433 BAL2902 AC 50 21.6 51
Show 17519+0556 SKF2214 235 8.0 53
Show 17482+0616 J 2116 AB 30 48.9 59
Show 17533+0523 TDT 557 62 1.5 59
Show 17482+0616 J 2116 BC 298 5.9 60
Show 17528+0550 UC 3438 34 34.4 60
Show 17531+0545 UC 3440 133 8.7 62
Show 17536+0516 STF2240 204 3.0 63
Show 17478+0621 ITF 5 130 28.5 65
Show 17503+0415 HJ 855 80 19.7 68
Show 17448+0512 TDT 484 272 0.4 69
Show 17532+0606 JNN 244 AB 124 3.0 74
Show 17532+0606 JNN 244 AC 307 3.4 74
Show 17532+0606 JNN 244 AD 175 4.4 74
Show 17493+0406 DAM 95 179 4.5 74
Show 17493+0404 BAL2899 190 3.1 76
Show 17496+0404 DAM 96 229 7.2 77
Show 17469+0630 A 1162 AB 162 1.7 80
Show 17469+0630 A 1162 AC 170 7.4 80
Show 17550+0521 BRT2173 197 3.8 84
Show 17439+0551 STF2200 AB 162 1.6 88
Show 17439+0551 STF2200 AC 245 32.3 88
Show 17459+0409 BAL2898 311 6.6 89
Show 17551+0546 GWP2744 301 48.8 90
Show 17465+0639 GWP2734 331 26.6 90
Show 17516+0350 BAL2457 107 10.2 97
Show 17436+0430 BAL2896 351 7.4 99
Show 17430+0547 HDS2506 81 0.2 99
Show 17427+0520 AG 212 23 2.7 100
Show 17470+0346 BAL2452 231 9.2 102
Show 17449+0357 BAL2897 291 9.3 107
Show 17553+0416 BAL2906 177 14.8 110
Show 17547+0636 HEI 866 127 2.7 110
Show 17422+0456 FAL 57 268 6.6 110
Show 17418+0458 BAL3011 358 1.4 115
Show 17567+0447 HEI 255 269 0.4 115
Show 17506+0714 STT 337 163 0.6 116

 
 
WDS 17500+0520 : COMPONENTS
 
 
  A
B pa=110.2°
sep=15.01"
 
 
17500+0520 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 174922.00+052019.0 Mag 9.55 Spectral class G: (yellow)
PmRA 15.00 PmDE -18.0 DM BD+05 3517
CCDM
Ccdm 17500+0520 RComp Comp A Note1
Note2 Discov num DRAs 1.52 DDEs 1.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.0 Sp K5 PmNote *
PmRA -15 PmDE 16 Dm number +05 3517 Cat1 BD
Name2 +05 2346 Cat2 AGK2/3 HD M HD
ADS BDS B 8183 M ADS BDS N IDS IDS 17451N0522A
HIC
 
 
17500+0520 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174922.94+052013.8 Mag 9.6 Spectral class A6 (white)
PmRA -7.00 PmDE 1.0 Tycho2 0424-01050-1 Calc delta mag 0.05
Calc coord yes
Tycho2
Tycho2 0424-01050-1 Pflag RAmdeg 267.34573150 DEmdeg 5.33711737
PmRA 1.8 PmDE -0.4 E RAmdeg 20 E DEmdeg 21
E pmRA 3.4 E pmDE 3.3 EpRAm 1989.50 EpDEm 1989.35
Num 3 Q RAmdeg 5.3 Q DEmdeg 1.5 Q pmRA 5.3
Q pmDE 1.5 BTmag 10.707 E BTmag 0.038 VTmag 10.331
E VTmag 0.037 Prox 157 TYC T HIP
CCDM RAdeg 267.34573889 DEdeg 5.33711472 EpRA 1990 1.53
EpDE 1990 1.56 E RAdeg 22.9 E DEdeg 23.8 Posflg
Corr 0.3
CCDM
Ccdm 17500+0520 RComp Comp B Note1
Note2 Discov num STF2227 DRAs 0.52 DDEs 7.1
R dRAs 90 Year 1923 Theta 293 Rho 17.8
Obs 13 Vmag 10.0 Sp PmNote *
PmRA 2 PmDE -2 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8183 M ADS BDS N IDS IDS 17451N0522B
HIC