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Doubles in session


Current system
18011+4521
STF 3129
HD 164898


Nearby doubles
5' : 18015+4517
STF2270

19' : 18022+4506
CBL 73

28' : 18003+4548
ES 1260

31' : 18001+4452
LDS4769

45' : 18030+4442
ES 1416

45' : 18024+4604
BVD 260

52' : 18004+4611
J 756

53' : 17571+4551
HU 235

58' : 17567+4557
BVD 258

63' : 17593+4422
UC 3463

69' : 18025+4414
BU 1127AB

73' : 18064+4437
COU1926

74' : 18075+4552
KUI 85
Nova Hercules

82' : 17578+4635
BDK 9

83' : 18072+4430
BRT1914

87' : 17557+4626
BAR 43AB

91' : 17526+4531
UC 233

93' : 18093+4555
WFC 205

96' : 18058+4400
LDS4775

97' : 18047+4650
COU2115AB

97' : 18103+4521
LDS4777

101' : 17547+4637
RAO 380

105' : 18069+4647
ES 1157AB

106' : 17559+4351
ES 1415

106' : 17516+4555
A 1883

108' : 18084+4407
HDS2554



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.

18011+4521 STF 3129 (HD 164898)

 
 
18h 01m 07.16s +45° 21' 03.3" P.A. 168.00 sep 30.8 mag 7.59,10.64 Sp B9 dist. 132.28 pc (431.5 l.y.)
 
 
Coord 2000 18011+4521 Discov num STF3129 Comp Coord arcsec 2000 18 01 07.16 +45 21 03.3
Date first 1830 Date last 2015 Obs 20
Pa first 169 Pa last 167.7 P.A. Now (θ) 167.7°
Sep first 31.1 Sep last 30.76 Sep. Now (ρ) 30.76"
Mag pri 7.59 Mag sec 10.64 delta mag (ΔM) 3.05 Spectral class B9 (blue-white)
Pri motion ra +000 Sec motion ra +000
Pri motion dec +022 Sec motion dec +023
Notes
rPM=0.043 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164898 Constellation Hercules SAO 47139 HIP 88239
Tycho2 3524-01868-1 Gaia DR2 2115973848068418048 HD 164898 GC 24549
BD BD+45 2643 Distance 132.28 Distance ly 431.5
 
 
WDS 18011+4521 STF 3129 (HD 164898) : 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
18011+4521 STF3129 1998 12 167 31.0 7.59 10.64 B9 D 180107.16+452103.3
18011+4521 STF3129 2008 13 168 31.1 7.59 10.64 B9 D 180107.16+452103.3
18011+4521 STF3129 2010 15 168 30.8 7.59 10.64 B9 180107.16+452103.3
18011+4521 STF3129 2015 16 168 30.8 7.59 10.64 B9 180107.16+452103.3

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

 
 
WDS 18011+4521 STF 3129 (HD 164898) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18011+4521 STF 3129 (HD 164898) : MEASURES
 
 
No records found.

 
 
WDS 18011+4521 (HD 164898) : VIRTUAL EYEPIECE
 
 

18011+4521 STF3129A mag 7.59 Sp B9 18011+4521 STF3129B sep 30.4 P.A. 171.30 mag 10.64 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 18011+4521 (HD 164898) : ALADIN DSS IMAGE @ 18h 01m 07.16s +45° 21' 03.3"
 
 
 
 
WDS 18011+4521 STF 3129 (HD 164898) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18011+4521 STF3129 distance=0' 18015+4517 STF2270 distance=5' 18022+4506 CBL 73 distance=19' 18003+4548 ES 1260 distance=28' 18001+4452 LDS4769 distance=31' 18030+4442 ES 1416 distance=45' 18024+4604 BVD 260 distance=45' 18004+4611 J 756 distance=52' 17571+4551 HU 235 distance=53' 17567+4557 BVD 258 distance=58' 17593+4422 UC 3463 distance=63' 18025+4414 OLE 4Aa,Ab distance=69' 18025+4414 BU 1127AB distance=69' 18064+4437 COU1926 distance=73' 18075+4552 KUI 85 (Nova Hercules) distance=74' 17578+4635 BDK 9 distance=82' 18072+4430 BRT1914 distance=83' 17557+4626 BAR 43AB distance=87' 17557+4626 BAR 43AC distance=87' 17526+4531 UC 233 distance=91' 18093+4555 WFC 205 distance=93' 18058+4400 LDS4775 distance=96' 18047+4650 COU2115AB distance=97' 18047+4650 GII 258Aa,Ab distance=97' 18103+4521 LDS4777 distance=97' 17547+4637 RAO 380 distance=101' 18069+4647 ES 1157BC distance=105' 18069+4647 ES 1157AB distance=105' 18069+4647 ES 1157AD distance=105' 17559+4351 ES 1415 distance=106' 17516+4555 A 1883 distance=106' 18083+4406 KPP4086CD distance=108' 18084+4407 HDS2554 distance=108' 17571+4343 KPP 404 distance=108' 17556+4350 TDT 575 distance=109' 17512+4454 STF2242AB distance=109' 17512+4454 CTT 26AC distance=109' 17506+4547 SLW1214 distance=114' 17563+4705 COU1781 distance=117' 17505+4554 KPP3323 distance=117' 17541+4702 HDS2525 distance=125' 17539+4701 KPP3325 distance=126' 17596+4314 COU1784 distance=128' 17502+4424 SIG 3 distance=130' 17521+4657 ES 1259 distance=134' 17483+4506 SMA 79 distance=136' 17486+4606 CBL 518 distance=139' 17533+4329 TDT 556 distance=141' 18097+4334 CVR 868 distance=142' 18121+4644 COU2118 distance=142' 18054+4306 COU1787 distance=143' 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 18011+4521 STF3129 168 30.8
Show 18015+4517 STF2270 212 6.3 5
Show 18022+4506 CBL 73 293 31.7 19
Show 18003+4548 ES 1260 203 3.0 28
Show 18001+4452 LDS4769 312 82.7 31
Show 18030+4442 ES 1416 73 1.5 45
Show 18024+4604 BVD 260 65 21.4 45
Show 18004+4611 J 756 181 3.5 52
Show 17571+4551 HU 235 289 1.8 53
Show 17567+4557 BVD 258 91 15.5 58
Show 17593+4422 UC 3463 305 51.0 63
Show 18025+4414 OLE 4 Aa,Ab 319 0.1 69
Show 18025+4414 BU 1127 AB 39 0.7 69
Show 18064+4437 COU1926 124 0.3 73
Show Nova Hercules 18075+4552 KUI 85 130 3.1 74
Show 17578+4635 BDK 9 131 197.0 82
Show 18072+4430 BRT1914 160 4.1 83
Show 17557+4626 BAR 43 AB 253 2.0 87
Show 17557+4626 BAR 43 AC 313 33.4 87
Show 17526+4531 UC 233 94 24.3 91
Show 18093+4555 WFC 205 50 6.5 93
Show 18058+4400 LDS4775 53 15.7 96
Show 18047+4650 COU2115 AB 42 0.3 97
Show 18047+4650 GII 258 Aa,Ab 114 0.1 97
Show 18103+4521 LDS4777 60 56.3 97
Show 17547+4637 RAO 380 92 1.1 101
Show 18069+4647 ES 1157 BC 11 2.8 105
Show 18069+4647 ES 1157 AB 178 29.3 105
Show 18069+4647 ES 1157 AD 236 49.7 105
Show 17559+4351 ES 1415 130 1.7 106
Show 17516+4555 A 1883 41 0.6 106
Show 18083+4406 KPP4086 CD 236 2.9 108
Show 18084+4407 HDS2554 205 0.1 108
Show 17571+4343 KPP 404 293 3.7 108
Show 17556+4350 TDT 575 209 0.5 109
Show 17512+4454 STF2242 AB 325 3.4 109
Show 17512+4454 CTT 26 AC 108 79.7 109
Show 17506+4547 SLW1214 25 22.2 114
Show 17563+4705 COU1781 181 0.5 117
Show 17505+4554 KPP3323 213 1.6 117
Show 17541+4702 HDS2525 178 0.3 125
Show 17539+4701 KPP3325 215 8.3 126
Show 17596+4314 COU1784 97 2.2 128
Show 17502+4424 SIG 3 68 0.2 130
Show 17521+4657 ES 1259 220 6.6 134
Show 17483+4506 SMA 79 92 15.3 136
Show 17486+4606 CBL 518 34 19.8 139
Show 17533+4329 TDT 556 257 0.8 141
Show 18097+4334 CVR 868 207 28.7 142
Show 18121+4644 COU2118 274 0.1 142
Show 18054+4306 COU1787 325 0.4 143

 
 
WDS 18011+4521 : COMPONENTS
 
 
  A
B pa=171.3°
sep=30.40"
 
 
18011+4521 A
 
 
Componente originario normalizzato AB Name HD 164898 Coord arcsec 2000 180107.16+452103.3 Mag 7.59
Spectral class B9 (blue-white) PmRA 0.00 PmDE 22.0 SAO 47139
HIP 88239 Tycho2 3524-01868-1 HD 164898 GC 24549
BD BD+45 2643
Tycho2
Tycho2 3524-01868-1 Pflag RAmdeg 270.27985158 DEmdeg 45.35091492
PmRA 0.2 PmDE 22.0 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.03 EpDEm 1991.17
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.6 Q pmRA 0.8
Q pmDE 0.7 BTmag 7.703 E BTmag 0.015 VTmag 7.589
E VTmag 0.011 Prox 309 TYC T HIP 88239
CCDM RAdeg 270.27985083 DEdeg 45.35086389 EpRA 1990 1.62
EpDE 1990 1.64 E RAdeg 4.6 E DEdeg 4.8 Posflg
Corr -0.1
SAO
SAO 47139 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 0.019 Vmag 7.4 SpType B9
Double code Source 70 CatNum 24549 DM BD+45 2643
DMcomp BDsup HD 164898 M HD 0
GC 24549 RA1950rad 4.7110092 DE1950rad 0.79150826 PmRA2000 0.0002
PmDE2000 0.019
Hipparcos
Catalog H HIP 88239 Proxy RAhms 18 01 07.16
DEdms +45 21 03.1 Vmag 7.59 VarFlag R Vmag G
RAdeg 270.28 DEdeg 45.3509 AstroRef Plx 7.02
CCDM 18011+4521 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 164898 BD BD+45 2643
CD CP Dm number +45 2643 VIred 0.1
SpType B9 R SpType Coord arcsec 2000 180107.16+452103.1
Hipparcos 2
HIP 88239 Sn 5 So 0 Nc 1
RArad 4.7172732509 DErad 0.7915218175 Plx 7.56 PmRA 1.78
PmDE 22.74 E RArad 0.38 E DErad 0.4 E Plx 0.45
E pmRA 0.47 E pmDE 0.49 Hpmag 7.6249 E Hpmag 0.001
SHp 0.01 VA 0 BV 0.088 E BV 0.004
VI 0.1
CCDM
Ccdm 18011+4521 RComp Comp A Note1
Note2 Discov num DRAs 1.18 DDEs 3.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp B9 PmNote *
PmRA -2 PmDE 18 Dm number +45 2643 Cat1 BD
Name2 +45 1405 Cat2 AGK2/3 HD 164898 M HD
ADS BDS B 8319 M ADS BDS N IDS IDS 17582N4521A
HIC 88239
 
 
18011+4521 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180107.60+452033.2 Mag 10.64 PmRA 0.00
PmDE 23.0 Calc delta mag 3.05 Calc coord yes
CCDM
Ccdm 18011+4521 RComp Comp B Note1
Note2 Discov num STF3129 DRAs 1.81 DDEs -27.4
R dRAs 90 Year 1830 Theta 169 Rho 30.8
Obs 3 Vmag 10.4 Sp PmNote
PmRA -2 PmDE 18 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8319 M ADS BDS N IDS IDS 17582N4521B
HIC