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Doubles in session


Current system
18015+4517
STF 2270


Nearby doubles
5' : 18011+4521
STF3129

14' : 18022+4506
CBL 73

30' : 18001+4452
LDS4769

32' : 18003+4548
ES 1260

40' : 18030+4442
ES 1416

47' : 18024+4604
BVD 260

56' : 18004+4611
J 756

57' : 17571+4551
HU 235

61' : 17593+4422
UC 3463

63' : 17567+4557
BVD 258

65' : 18025+4414
BU 1127AB

68' : 18064+4437
COU1926

72' : 18075+4552
KUI 85
Nova Hercules

78' : 18072+4430
BRT1914

87' : 17578+4635
BDK 9

91' : 18093+4555
WFC 205

91' : 17557+4626
BAR 43AB

91' : 18058+4400
LDS4775

94' : 18103+4521
LDS4777

95' : 17526+4531
UC 233

99' : 18047+4650
COU2115AB

103' : 18084+4407
HDS2554

105' : 17559+4351
ES 1415

106' : 18069+4647
ES 1157AB

106' : 17547+4637
RAO 380

106' : 17571+4343
KPP 404



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.

18015+4517 STF 2270

 
 
18h 01m 27.46s +45° 17' 50.5" P.A. 212.00 sep 6.3 mag 10.95,11.10
 
 
Coord 2000 18015+4517 Discov num STF2270 Comp Coord arcsec 2000 18 01 27.46 +45 17 50.5
Date first 1893 Date last 2016 Obs 16
Pa first 214 Pa last 211.5 P.A. Now (θ) 211.5°
Sep first 5.8 Sep last 6.258 Sep. Now (ρ) 6.258"
Mag pri 10.95 Mag sec 11.10 delta mag (ΔM) 0.15 Spectral class
Pri motion ra -021 Sec motion ra -036
Pri motion dec +029 Sec motion dec +017
Notes
rPM=0.483
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 3524-02175-1 Gaia DR2 2115972748556789120
 
 
WDS 18015+4517 STF 2270 : 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
18015+4517 STF2270 1998 6 211 6.2 10.95 11.10 D 180127.46+451750.5
18015+4517 STF2270 2008 7 211 6.3 10.95 11.10 D 180127.46+451750.5
18015+4517 STF2270 2010 9 213 5.1 10.95 11.10 180127.46+451750.5
18015+4517 STF2270 2015 10 212 6.3 10.95 11.10 180127.46+451750.5
18015+4517 STF2270 2016 16 212 6.3 10.95 11.10 180127.46+451750.5

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

 
 
WDS 18015+4517 STF 2270 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18015+4517 STF 2270 : MEASURES
 
 
No records found.

 
 
WDS 18015+4517 : VIRTUAL EYEPIECE
 
 

18015+4517 STF2270A mag 10.95 18015+4517 STF2270B sep 5.8 P.A. 203.30 mag 11.1 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 18015+4517 : ALADIN DSS IMAGE @ 18h 01m 27.46s +45° 17' 50.5"
 
 
 
 
WDS 18015+4517 STF 2270 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18015+4517 STF2270 distance=0' 18011+4521 STF3129 distance=5' 18022+4506 CBL 73 distance=14' 18001+4452 LDS4769 distance=30' 18003+4548 ES 1260 distance=32' 18030+4442 ES 1416 distance=40' 18024+4604 BVD 260 distance=47' 18004+4611 J 756 distance=56' 17571+4551 HU 235 distance=57' 17593+4422 UC 3463 distance=61' 17567+4557 BVD 258 distance=63' 18025+4414 OLE 4Aa,Ab distance=65' 18025+4414 BU 1127AB distance=65' 18064+4437 COU1926 distance=68' 18075+4552 KUI 85 (Nova Hercules) distance=72' 18072+4430 BRT1914 distance=78' 17578+4635 BDK 9 distance=87' 18093+4555 WFC 205 distance=91' 17557+4626 BAR 43AB distance=91' 17557+4626 BAR 43AC distance=91' 18058+4400 LDS4775 distance=91' 18103+4521 LDS4777 distance=94' 17526+4531 UC 233 distance=95' 18047+4650 COU2115AB distance=99' 18047+4650 GII 258Aa,Ab distance=99' 18083+4406 KPP4086CD distance=103' 18084+4407 HDS2554 distance=103' 17559+4351 ES 1415 distance=105' 18069+4647 ES 1157BC distance=106' 18069+4647 ES 1157AB distance=106' 18069+4647 ES 1157AD distance=106' 17547+4637 RAO 380 distance=106' 17571+4343 KPP 404 distance=106' 17556+4350 TDT 575 distance=108' 17516+4555 A 1883 distance=111' 17512+4454 STF2242AB distance=112' 17512+4454 CTT 26AC distance=112' 17506+4547 SLW1214 distance=118' 17563+4705 COU1781 distance=121' 17505+4554 KPP3323 distance=122' 17596+4314 COU1784 distance=126' 17541+4702 HDS2525 distance=130' 17539+4701 KPP3325 distance=130' 17502+4424 SIG 3 distance=132' 18097+4334 CVR 868 distance=137' 17521+4657 ES 1259 distance=139' 18054+4306 COU1787 distance=139' 17483+4506 SMA 79 distance=140' 17533+4329 TDT 556 distance=140' 18121+4644 COU2118 distance=141' 18120+4355 ES 1419 distance=142' 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 18015+4517 STF2270 212 6.3
Show 18011+4521 STF3129 168 30.8 5
Show 18022+4506 CBL 73 293 31.7 14
Show 18001+4452 LDS4769 312 82.7 30
Show 18003+4548 ES 1260 203 3.0 32
Show 18030+4442 ES 1416 73 1.5 40
Show 18024+4604 BVD 260 65 21.4 47
Show 18004+4611 J 756 181 3.5 56
Show 17571+4551 HU 235 289 1.8 57
Show 17593+4422 UC 3463 305 51.0 61
Show 17567+4557 BVD 258 91 15.5 63
Show 18025+4414 OLE 4 Aa,Ab 319 0.1 65
Show 18025+4414 BU 1127 AB 39 0.7 65
Show 18064+4437 COU1926 124 0.3 68
Show Nova Hercules 18075+4552 KUI 85 130 3.1 72
Show 18072+4430 BRT1914 160 4.1 78
Show 17578+4635 BDK 9 131 197.0 87
Show 18093+4555 WFC 205 50 6.5 91
Show 17557+4626 BAR 43 AB 253 2.0 91
Show 17557+4626 BAR 43 AC 313 33.4 91
Show 18058+4400 LDS4775 53 15.7 91
Show 18103+4521 LDS4777 60 56.3 94
Show 17526+4531 UC 233 94 24.3 95
Show 18047+4650 COU2115 AB 42 0.3 99
Show 18047+4650 GII 258 Aa,Ab 114 0.1 99
Show 18083+4406 KPP4086 CD 236 2.9 103
Show 18084+4407 HDS2554 205 0.1 103
Show 17559+4351 ES 1415 130 1.7 105
Show 18069+4647 ES 1157 BC 11 2.8 106
Show 18069+4647 ES 1157 AB 178 29.3 106
Show 18069+4647 ES 1157 AD 236 49.7 106
Show 17547+4637 RAO 380 92 1.1 106
Show 17571+4343 KPP 404 293 3.7 106
Show 17556+4350 TDT 575 209 0.5 108
Show 17516+4555 A 1883 41 0.6 111
Show 17512+4454 STF2242 AB 325 3.4 112
Show 17512+4454 CTT 26 AC 108 79.7 112
Show 17506+4547 SLW1214 25 22.2 118
Show 17563+4705 COU1781 181 0.5 121
Show 17505+4554 KPP3323 213 1.6 122
Show 17596+4314 COU1784 97 2.2 126
Show 17541+4702 HDS2525 178 0.3 130
Show 17539+4701 KPP3325 215 8.3 130
Show 17502+4424 SIG 3 68 0.2 132
Show 18097+4334 CVR 868 207 28.7 137
Show 17521+4657 ES 1259 220 6.6 139
Show 18054+4306 COU1787 325 0.4 139
Show 17483+4506 SMA 79 92 15.3 140
Show 17533+4329 TDT 556 257 0.8 140
Show 18121+4644 COU2118 274 0.1 141
Show 18120+4355 ES 1419 320 10.4 142

 
 
WDS 18015+4517 : COMPONENTS
 
 
  A
B pa=203.3°
sep=5.81"
 
 
18015+4517 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 180127.46+451750.5 Mag 10.95 PmRA -21.00
PmDE 29.0 Tycho2 3524-02175-1
Tycho2
Tycho2 3524-02175-1 Pflag RAmdeg 270.36443639 DEmdeg 45.29737206
PmRA -24.5 PmDE 21.8 E RAmdeg 43 E DEmdeg 43
E pmRA 1.7 E pmDE 1.6 EpRAm 1984.07 EpDEm 1983.31
Num 3 Q RAmdeg 0.2 Q DEmdeg 0.9 Q pmRA 0.2
Q pmDE 0.9 BTmag 11.445 E BTmag 0.073 VTmag 10.950
E VTmag 0.071 Prox 999 TYC T HIP
CCDM RAdeg 270.36451889 DEdeg 45.29732139 EpRA 1990 1.49
EpDE 1990 1.62 E RAdeg 44.8 E DEdeg 44.9 Posflg
Corr -0.2
 
 
18015+4517 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180127.24+451745.2 Mag 11.1 PmRA -36.00
PmDE 17.0 Calc delta mag 0.15 Calc coord yes