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Doubles in session


Current system
18287+6506
HU 931 AB


Nearby doubles
21' : 18252+6455
STF2332

26' : 18312+6526
KUI 86

33' : 18260+6534
UC 3580
Fafnir

45' : 18232+6440
SHN 37

46' : 18335+6432
FAR 67AB

56' : 18305+6412
MLR 62

61' : 18338+6415
MLB 213

64' : 18312+6608
ES 1911

69' : 18200+6426
TDS 917

77' : 18361+6405
MLB 214

78' : 18241+6619
TDT 832

80' : 18254+6349
SLW1219

83' : 18218+6358
ES 1837

83' : 18417+6520
LDS2748

87' : 18396+6416
LDS2745

88' : 18294+6338
KPP 414

88' : 18329+6343
STF2357

89' : 18226+6347
MLR 55

92' : 18169+6415
SLW1218

95' : 18352+6342
STF2365

95' : 18142+6445
COM 4

97' : 18145+6454
MLB 212

100' : 18426+6420
LDS2420

100' : 18430+6427
UC 3653

102' : 18162+6404
ES 186

103' : 18377+6342
HU 933



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.

18287+6506 HU 931 AB

 
 
18h 28m 42.96s +65° 06' 14.6" P.A. 82.00 sep 0.5 mag 10.49,10.52 Sp G0
 
 
Coord 2000 18287+6506 Discov num HU  931 Comp AB Coord arcsec 2000 18 28 42.96 +65 06 14.6
Date first 1905 Date last 2010 Obs 9
Pa first 68 Pa last 82.2 P.A. Now (θ) 82.2°
Sep first 0.7 Sep last 0.477 Sep. Now (ρ) 0.477"
Mag pri 10.49 Mag sec 10.52 delta mag (ΔM) 0.03 Spectral class G0 (yellow)
Pri motion ra +008 Sec motion ra +008
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
18287+6506 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 28 43 +65 06 15 HU 931 AB 2010 9 82 0.5 10.49 10.52 0.03 <===
Show 18 28 43 +65 06 15 STF 2343 AC 2018 21 212 8.6 10.49 10.82 0.33
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4222-01227-1
 
 
WDS 18287+6506 HU 931 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hu_1896 not - Hussey, W.F. 1896PASP....8..183H
Hu_1896 PASP 8, 183, 1896
Hu_1897 Ma - Hussey, W.J. 1897AJ.....17...97H
Hu_1897 AJ 17, 97, 1897
Hu_1898 Ma j Hussey, W.J. 1898AJ.....18..145H
Hu_1898 AJ 18, 145, 1898
Hu_1899 Ma j Hussey, W.J. 1899AN....150..175H
Hu_1899 AN 150, 175, 1899
Hu_1900a Ma - Hussey, W.J. 1900AJ.....20..192H
Hu_1900a AJ 20, 192, 1900
Hu_1900b Ma - Hussey, W.J. 1900AJ.....21...35H
Hu_1900b AJ 21, 35, 1900
Hu_1900c Ma j Hussey, W.J. 1900AN....152..329H
Hu_1900c AN 152, 329, #3645, 1900
Hu_1901a Ma j Hussey, W.J. 1901PLicO...5.....H
Hu_1901a +orb Pub. Lick Obs. 5, 1901
Hu_1901b Ma j Hussey, W.J. 1901LicOB...1...82H
Hu_1901b Lick Obs. Bull. 1, 82, 1901
Hu_1902a Ma j Hussey, W.J. 1902LicOB...1..161H
Hu_1902a Lick Obs. Bull. 1, 161, 1902
Hu_1902b Ma j Hussey, W.J. 1902LicOB...2....1H
Hu_1902b Lick Obs. Bull. 2, 1, 1902
Hu_1903a Ma j Hussey, W.J. 1903LicOB...2...73H
Hu_1903a Lick Obs. Bull. 2, 73, 1903
Hu_1903b Ma j Hussey, W.J. 1903LicOB...2..115H
Hu_1903b Lick Obs. Bull. 2, 115, 1903
Hu_1904a Ma j Hussey, W.J. 1904LicOB...2..180H
Hu_1904a Lick Obs. Bull. 2, 180, 1904
Hu_1904b Ma - Hussey, W.J. 1904LicOB...3...53H
Hu_1904b Lick Obs. Bull. 3, 53, 1904
Hu_1905a Ma - Hussey, W.J. 1905LicOB...3...95H
Hu_1905a Lick Obs. Bull. 3, 95, 1905
Hu_1905b Ma - Hussey, W.J. 1905LicOB...3..116H
Hu_1905b Lick Obs. Bull. 3, 116, 1905
Hu_1905c Ma - Hussey, W.J. 1905LicOB...3..151H
Hu_1905c Lick Obs. Bull. 3, 151, 1905
Hu_1906A Ma - Hussey, W.J. 1906MmRAS..56....1L
Hu_1906A cited by Lewis (MemRAS 56, 1, 1906)
Hu_1906B Ma - Hussey, W.J. 1906QB821.B972.....
Hu_1906B cited in BDS (Burnham Double Star Cat.), 1906
Hu_1907 Ma - Hussey, W.J. 1907LicOB...4..124H
Hu_1907 Lick Obs. Bull. 4, 124, 1907
Hu_1910 Ma - Hussey, W.J. 1910AJ.....21..105H
Hu_1910 AJ 21, 105, 1910
Hu_1911 Ma - Hussey, W.J. 1911LicOB...6..182H
Hu_1911 Lick Obs. Bull. 6, 182, 1911
Hu_1912a Ma - Hussey, W.J. 1915POMic...1..147H
Hu_1912a Pub. Univ. Michigan Obs. 1, 147, 1912
Hu_1912b Ma - Hussey, W.J. 1915POMic...1..160H
Hu_1912b Pub. Univ. Michigan Obs. 1, 160, 1912
Hu_1912c Ma - Hussey, W.J. 1915POMic...1..167H
Hu_1912c Pub. Univ. Michigan Obs. 1, 167, 1912
Hu_1927A Ma - Hussey, W.J. 1927sdsc.book......
Hu_1927A cited in SDS (Southern Double Star Cat.), 1927
Hu_1932A Ma - Hussey, W.J. 1932QB821.A43......
Hu_1932A cited in ADS (Aitken Double Star Cat.), 1932
Hu_9999 Ma - Hussey, W.J. ...................
Hu_9999 Unpublished, manuscript or reference not found.
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
18287+6506 HU 931 AB 1991 8 79 0.5 10.49 10.52 G0 182842.96+650614.6
18287+6506 HU 931 AB 2010 9 80 0.5 10.49 10.52 G0 182842.96+650614.6

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

 
 
WDS 18287+6506 HU 931 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18287+6506 HU 931 AB : MEASURES
 
 
No records found.

 
 
WDS 18287+6506 : VIRTUAL EYEPIECE
 
 

18287+6506 HU 931A mag 10.49 Sp G0 18287+6506 HU 931B sep 0.2 P.A. 72.00 mag 10.52 18287+6506 STF2343C sep 7.6 P.A. 194.50 mag 10.82 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 18287+6506 : ALADIN DSS IMAGE @ 18h 28m 42.96s +65° 06' 14.6"
 
 
 
 
WDS 18287+6506 HU 931 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18287+6506 HU 931AB distance=0' 18252+6455 STF2332 distance=21' 18312+6526 KUI 86 distance=26' 18260+6534 UC 3580 (Fafnir) distance=33' 18232+6440 SHN 37 distance=45' 18335+6432 FAR 67Aa,Ab distance=46' 18335+6432 FAR 67AB distance=46' 18305+6412 MLR 62 distance=56' 18338+6415 MLB 213 distance=61' 18312+6608 ES 1911 distance=64' 18200+6426 TDS 917 distance=69' 18361+6405 MLB 214 distance=77' 18241+6619 TDT 832 distance=78' 18254+6349 SLW1219 distance=80' 18218+6358 ES 1837 distance=83' 18417+6520 LDS2748 distance=83' 18396+6416 LDS2745 distance=87' 18294+6338 KPP 414 distance=88' 18329+6343 STF2357 distance=88' 18226+6347 MLR 55 distance=89' 18169+6415 SLW1218 distance=92' 18352+6342 STF2365 distance=95' 18142+6445 COM 4 distance=95' 18145+6454 MLB 212 distance=97' 18426+6420 LDS2420 distance=100' 18430+6427 UC 3653 distance=100' 18162+6404 ES 186 distance=102' 18377+6342 HU 933 distance=103' 18139+6424 STT 586AB distance=104' 18139+6424 RDR 7AC distance=104' 18393+6348 ES 126AB distance=105' 18393+6348 ES 126AD distance=105' 18393+6348 ES 126BC distance=105' 18381+6341 KPP2683 distance=105' 18418+6402 WIS 329 distance=106' 18272+6317 TDT 876 distance=110' 18427+6618 TOI1825 distance=113' 18384+6332 STF2377AB distance=114' 18384+6332 WAL 150AC distance=114' 18409+6633 LDS2419 distance=114' 18212+6651 KPP4105 distance=115' 18364+6655 TOK 323 distance=119' 18115+6418 ES 1835 distance=121' 18402+6326 MLR 44 distance=125' 18462+6412 HU 937 distance=125' 18456+6404 ES 1840 distance=126' 18259+6255 STF2334 distance=133' 18095+6414 HU 926 distance=134' 18482+6415 SLN 84 distance=135' 18384+6708 STF2384AB distance=135' 18384+6708 STF2384AB,C distance=135' 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 18287+6506 HU 931 AB 82 0.5
Show 18287+6506 STF2343 AC 212 8.6
Show 18252+6455 STF2332 260 11.6 21
Show 18312+6526 KUI 86 44 23.0 26
Show Fafnir 18260+6534 UC 3580 208 24.4 33
Show 18232+6440 SHN 37 83 0.2 45
Show 18335+6432 FAR 67 Aa,Ab 222 0.1 46
Show 18335+6432 FAR 67 AB 129 1.8 46
Show 18305+6412 MLR 62 8 1.0 56
Show 18338+6415 MLB 213 321 4.3 61
Show 18312+6608 ES 1911 293 5.7 64
Show 18200+6426 TDS 917 148 0.9 69
Show 18361+6405 MLB 214 124 2.0 77
Show 18241+6619 TDT 832 131 2.3 78
Show 18254+6349 SLW1219 313 9.6 80
Show 18218+6358 ES 1837 216 15.3 83
Show 18417+6520 LDS2748 226 50.5 83
Show 18396+6416 LDS2745 86 37.5 87
Show 18294+6338 KPP 414 187 4.9 88
Show 18329+6343 STF2357 271 4.7 88
Show 18226+6347 MLR 55 202 1.0 89
Show 18169+6415 SLW1218 44 12.7 92
Show 18352+6342 STF2365 23 20.0 95
Show 18142+6445 COM 4 279 298.5 95
Show 18145+6454 MLB 212 321 3.6 97
Show 18426+6420 LDS2420 84 9.3 100
Show 18430+6427 UC 3653 335 32.5 100
Show 18162+6404 ES 186 330 7.9 102
Show 18377+6342 HU 933 2 0.9 103
Show 18139+6424 STT 586 AB 263 331.4 104
Show 18139+6424 RDR 7 AC 97 3.4 104
Show 18393+6348 ES 126 AB 52 72.4 105
Show 18393+6348 ES 126 AD 54 46.0 105
Show 18393+6348 ES 126 BC 24 4.8 105
Show 18381+6341 KPP2683 134 3.5 105
Show 18418+6402 WIS 329 288 491.7 106
Show 18272+6317 TDT 876 259 0.5 110
Show 18427+6618 TOI1825 208 3.0 113
Show 18384+6332 STF2377 AB 338 16.9 114
Show 18384+6332 WAL 150 AC 351 94.9 114
Show 18409+6633 LDS2419 212 45.1 114
Show 18212+6651 KPP4105 151 1.5 115
Show 18364+6655 TOK 323 116 181.1 119
Show 18115+6418 ES 1835 309 4.3 121
Show 18402+6326 MLR 44 116 0.4 125
Show 18462+6412 HU 937 333 1.0 125
Show 18456+6404 ES 1840 216 9.1 126
Show 18259+6255 STF2334 202 17.0 133
Show 18095+6414 HU 926 264 3.9 134
Show 18482+6415 SLN 84 341 2.2 135
Show 18384+6708 STF2384 AB 307 0.4 135

 
 
WDS 18287+6506 : COMPONENTS
 
 
  A B
B pa=72.0°
sep=0.21"
 
C pa=194.5°
sep=7.58"
pa=195.8°
sep=7.70"
 
 
18287+6506 A
 
 
Coord arcsec 2000 182842.96+650614.6 Mag 10.49 Spectral class G0 (yellow) PmRA 8.00
PmDE -4.0 Tycho2 4222-01227-1
Tycho2
Tycho2 4222-01227-1 Pflag RAmdeg 277.17900828 DEmdeg 65.10406513
PmRA 7.6 PmDE -4.3 E RAmdeg 20 E DEmdeg 19
E pmRA 1.7 E pmDE 1.8 EpRAm 1990.42 EpDEm 1990.53
Num 3 Q RAmdeg 0.3 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 10.323 E BTmag 0.032 VTmag 9.867
E VTmag 0.030 Prox 84 TYC T HIP
CCDM RAdeg 277.17896694 DEdeg 65.10407500 EpRA 1990 1.80
EpDE 1990 1.71 E RAdeg 19.8 E DEdeg 18.8 Posflg P
Corr 0.0
CCDM
Ccdm 18287+6506 RComp Comp A Note1
Note2 Discov num DRAs 0.69 DDEs 13.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 10.4 Sp G0 PmNote *
PmRA -10 PmDE -18 Dm number +65 1273 Cat1 BD
Name2 +65 892 Cat2 AGK2/3 HD M HD
ADS BDS A11407 M ADS BDS N IDS IDS 18283N6503A
HIC
 
 
18287+6506 B
 
 
Coord arcsec 2000 182842.99+650614.7 Mag 10.52 PmRA 8.00 PmDE -4.0
Calc delta mag 0.03 Calc coord yes
CCDM
Ccdm 18287+6506 RComp Comp B Note1
Note2 Discov num HU 931 DRAs DDEs
R dRAs Year 1905 Theta 247 Rho 0.6
Obs 4 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11407 M ADS BDS N IDS IDS 18283N6503B
HIC
 
 
18287+6506 C
 
 
Coord arcsec 2000 182842.66+650607.3 Mag 10.82 PmRA 6.00 PmDE -15.0
Tycho2 4222-01227-2 Calc delta mag 0.33 Calc coord yes
Tycho2
Tycho2 4222-01227-2 Pflag RAmdeg 277.17605262 DEmdeg 65.10208773
PmRA 7.5 PmDE -2.9 E RAmdeg 40 E DEmdeg 38
E pmRA 1.7 E pmDE 1.8 EpRAm 1985.77 EpDEm 1986.79
Num 4 Q RAmdeg 0.6 Q DEmdeg 2.9 Q pmRA 0.6
Q pmDE 2.8 BTmag 11.250 E BTmag 0.065 VTmag 10.820
E VTmag 0.066 Prox 84 TYC T HIP
CCDM RAdeg 277.17601167 DEdeg 65.10209444 EpRA 1990 1.78
EpDE 1990 1.72 E RAdeg 40.8 E DEdeg 38.9 Posflg
Corr 0.0
CCDM
Ccdm 18287+6506 RComp Comp C Note1
Note2 Discov num STF2343 DRAs DDEs
R dRAs Year 1832 Theta 215 Rho 8.5
Obs 7 Vmag 10.5 Sp PmNote
PmRA 12 PmDE 2 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11407 M ADS BDS N IDS IDS 18283N6503C
HIC