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Doubles in session


Current system
18104+3221
HO 81
HD 166682


Nearby doubles
18' : 18118+3224
LDS4778

22' : 18111+3241
LEP 87AB

32' : 18101+3150
BRT 259

33' : 18095+3151
KPP 951

38' : 18089+3254
ES 184AB

39' : 18111+3258
ES 185

40' : 18094+3144
A 237AB

43' : 18133+3244
TDT 742

43' : 18071+3223
HJ 1314

45' : 18139+3212
TDT 749

46' : 18140+3223
TDT 752

48' : 18136+3249
GIC 150

54' : 18126+3135
STF2295

55' : 18092+3129
COU 812

57' : 18110+3124
ES 345

61' : 18109+3321
COU1005AB

66' : 18130+3318
COU1006

66' : 18145+3249
HU 927

68' : 18118+3327
B 2545AB

70' : 18095+3113
TDS 908

74' : 18145+3313
COU1007

74' : 18047+3227
SEI 556

76' : 18070+3323
TDT 689

79' : 18123+3106
SLE 141

82' : 18091+3101
BLL 31AB

83' : 18041+3159
KPP 641



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.

18104+3221 HO 81 (HD 166682)

 
 
18h 10m 26.23s +32° 21' 10.1" P.A. 215.00 sep 3.3 mag 8.23,11.12 Sp A2 dist. 154.8 pc (504.96 l.y.)
 
 
Coord 2000 18104+3221 Discov num HO   81 Comp Coord arcsec 2000 18 10 26.23 +32 21 10.1
Date first 1883 Date last 2019 Obs 13
Pa first 211 Pa last 215.4 P.A. Now (θ) 215.4°
Sep first 2.5 Sep last 3.269 Sep. Now (ρ) 3.269"
Mag pri 8.23 Mag sec 11.12 delta mag (ΔM) 2.89 Spectral class A2 (white)
Pri motion ra +018 Sec motion ra +017
Pri motion dec +001 Sec motion dec -001
Notes
rPM=0.124 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 166682 Constellation Hercules SAO 66709 HIP 89041
Tycho2 2626-02090-1 Gaia DR2 4591403537887975296 HD 166682 ADS 11131
BD BD+32 3061 Distance 154.8 Distance ly 504.96
 
 
WDS 18104+3221 HO 81 (HD 166682) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18104+3221 HO 81 2002 10 215 3.2 8.23 11.12 A2 181026.23+322110.1
18104+3221 HO 81 2019 13 215 3.3 8.23 11.12 A2 181026.23+322110.1

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

 
 
WDS 18104+3221 HO 81 (HD 166682) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18104+3221 HO 81 (HD 166682) : MEASURES
 
 
No records found.

 
 
WDS 18104+3221 (HD 166682) : VIRTUAL EYEPIECE
 
 

18104+3221 HO 81A mag 8.23 Sp A2 18104+3221 HO 81B sep 3.1 P.A. 211.00 mag 11.12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18104+3221 (HD 166682) : ALADIN DSS IMAGE @ 18h 10m 26.23s +32° 21' 10.1"
 
 
 
 
WDS 18104+3221 HO 81 (HD 166682) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18104+3221 HO 81 distance=0' 18118+3224 LDS4778 distance=18' 18111+3241 TOK 615BC distance=19' 18111+3241 LEP 87AB distance=22' 18101+3150 BRT 259 distance=32' 18095+3151 KPP 951 distance=33' 18089+3254 ES 184AB distance=38' 18089+3254 LNA 5Aa,Ab distance=38' 18111+3258 ES 185 distance=39' 18094+3144 A 237AB distance=40' 18094+3144 A 237AC distance=40' 18094+3144 A 237AD distance=40' 18094+3144 DAM 807AF distance=40' 18094+3144 A 237DE distance=41' 18133+3244 TDT 742 distance=43' 18071+3223 HJ 1314 distance=43' 18139+3212 TDT 749 distance=45' 18140+3223 TDT 752 distance=46' 18136+3249 GIC 150 distance=48' 18126+3135 STF2295 distance=54' 18092+3129 COU 812 distance=55' 18110+3124 ES 345 distance=57' 18109+3321 COU1005AB distance=61' 18109+3321 COU1005AB,C distance=61' 18130+3318 COU1006 distance=66' 18145+3249 HU 927 distance=66' 18118+3327 B 2545AB distance=68' 18118+3327 HO 82AB,C distance=68' 18095+3113 TDS 908 distance=70' 18145+3313 COU1007 distance=74' 18047+3227 SEI 556 distance=74' 18070+3323 TDT 689 distance=76' 18123+3106 SLE 141 distance=79' 18091+3101 BKO 51BC distance=82' 18091+3101 BLL 31AB distance=82' 18041+3159 KPP 641 distance=83' 18062+3326 HO 79 distance=85' 18039+3200 COU1004 distance=86' 18038+3240 UC 3483 distance=87' 18049+3316 HO 78 distance=90' 18061+3110 SLE 134 distance=90' 18104+3356 SEI 559 distance=95' 18102+3402 STF2291 distance=101' 18111+3403 SEI 560 distance=103' 18185+3201 KPP4104 distance=104' 18079+3042 SLE 138 distance=105' 18118+3406 DAM 630 distance=108' 18054+3054 SLE 130 distance=109' 18189+3248 COU1009 distance=111' 18020+3153 SEI 555 distance=112' 18165+3101 COU 813 distance=112' 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 18104+3221 HO 81 215 3.3
Show 18118+3224 LDS4778 63 48.6 18
Show 18111+3241 TOK 615 BC 57 49.2 19
Show 18111+3241 LEP 87 AB 148 999.9 22
Show 18101+3150 BRT 259 278 4.0 32
Show 18095+3151 KPP 951 259 7.8 33
Show 18089+3254 ES 184 AB 159 4.9 38
Show 18089+3254 LNA 5 Aa,Ab 143 0.1 38
Show 18111+3258 ES 185 285 12.1 39
Show 18094+3144 A 237 AB 103 2.2 40
Show 18094+3144 A 237 AC 358 28.7 40
Show 18094+3144 A 237 AD 221 101.8 40
Show 18094+3144 DAM 807 AF 63 10.6 40
Show 18094+3144 A 237 DE 308 8.2 41
Show 18133+3244 TDT 742 315 2.4 43
Show 18071+3223 HJ 1314 152 17.6 43
Show 18139+3212 TDT 749 15 0.2 45
Show 18140+3223 TDT 752 237 1.9 46
Show 18136+3249 GIC 150 77 54.9 48
Show 18126+3135 STF2295 173 8.3 54
Show 18092+3129 COU 812 265 0.7 55
Show 18110+3124 ES 345 15 2.7 57
Show 18109+3321 COU1005 AB 333 0.2 61
Show 18109+3321 COU1005 AB,C 25 1.9 61
Show 18130+3318 COU1006 337 0.5 66
Show 18145+3249 HU 927 101 0.4 66
Show 18118+3327 B 2545 AB 241 0.1 68
Show 18118+3327 HO 82 AB,C 221 0.7 68
Show 18095+3113 TDS 908 236 0.8 70
Show 18145+3313 COU1007 38 0.3 74
Show 18047+3227 SEI 556 225 13.1 74
Show 18070+3323 TDT 689 62 0.4 76
Show 18123+3106 SLE 141 16 6.1 79
Show 18091+3101 BKO 51 BC 207 19.0 82
Show 18091+3101 BLL 31 AB 320 64.5 82
Show 18041+3159 KPP 641 117 5.8 83
Show 18062+3326 HO 79 61 0.2 85
Show 18039+3200 COU1004 109 1.3 86
Show 18038+3240 UC 3483 310 20.2 87
Show 18049+3316 HO 78 205 8.5 90
Show 18061+3110 SLE 134 292 7.2 90
Show 18104+3356 SEI 559 171 11.5 95
Show 18102+3402 STF2291 340 29.9 101
Show 18111+3403 SEI 560 35 30.3 103
Show 18185+3201 KPP4104 263 4.9 104
Show 18079+3042 SLE 138 329 10.1 105
Show 18118+3406 DAM 630 40 15.0 108
Show 18054+3054 SLE 130 103 6.7 109
Show 18189+3248 COU1009 263 2.4 111
Show 18020+3153 SEI 555 109 19.4 112
Show 18165+3101 COU 813 143 4.7 112

 
 
WDS 18104+3221 : COMPONENTS
 
 
  A
B pa=211.0°
sep=3.11"
 
 
18104+3221 A
 
 
Componente originario normalizzato AB Name HD 166682 Coord arcsec 2000 181026.23+322110.1 Mag 8.23
Spectral class A2 (white) PmRA 18.00 PmDE 1.0 SAO 66709
HIP 89041 Tycho2 2626-02090-1 HD 166682 ADS 11131
BD BD+32 3061
Tycho2
Tycho2 2626-02090-1 Pflag RAmdeg 272.60930510 DEmdeg 32.35280584
PmRA 17.7 PmDE 0.5 E RAmdeg 6 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.91 EpDEm 1991.23
Num 12 Q RAmdeg 1.5 Q DEmdeg 2.2 Q pmRA 1.5
Q pmDE 2.2 BTmag 8.424 E BTmag 0.016 VTmag 8.229
E VTmag 0.012 Prox 32 TYC T HIP 89041
CCDM A RAdeg 272.60925667 DEdeg 32.35280528 EpRA 1990 1.54
EpDE 1990 1.60 E RAdeg 5.8 E DEdeg 5.4 Posflg
Corr 0.0
SAO
SAO 66709 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.009 Vmag 8 SpType A2
Double code Source 6 CatNum 1586 DM BD+32 3061
DMcomp BDsup HD 166682 M HD 0
GC RA1950rad 4.74981494 DE1950rad 0.56445888 PmRA2000 0.0015
PmDE2000 -0.008
Hipparcos
Catalog H HIP 89041 Proxy H RAhms 18 10 26.22
DEdms +32 21 10.1 Vmag 8.12 VarFlag R Vmag H
RAdeg 272.609 DEdeg 32.3528 AstroRef A Plx 6.17
CCDM 18104+3221 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 216 Rho 3.167 HD 166682 BD BD+32 3061
CD CP Dm number +32 3061 VIred 0.18
SpType A2 R SpType Coord arcsec 2000 181026.22+322110.1
Hipparcos 2
HIP 89041 Sn 15 So 3 Nc 2
RArad 4.7579290411 DErad 0.5646629691 Plx 6.46 PmRA 15.13
PmDE -1.91 E RArad 0.52 E DErad 0.56 E Plx 0.77
E pmRA 0.61 E pmDE 0.72 Hpmag 8.1729 E Hpmag 0.0018
SHp 0.018 VA 0 BV 0.1 E BV 0.495
VI 0.18
CCDM
Ccdm 18104+3221 RComp Comp A Note1
Note2 Discov num DRAs 2.24 DDEs 10.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp A2 PmNote *
PmRA 17 PmDE 7 Dm number +32 3061 Cat1 BD
Name2 +32 1586 Cat2 AGK2/3 HD 166682 M HD
ADS BDS A11131 M ADS BDS N IDS IDS 18067N3220A
HIC 89041
 
 
18104+3221 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181026.10+322107.4 Mag 11.12 PmRA 17.00
PmDE -1.0 Calc delta mag 2.89 Calc coord yes
CCDM
Ccdm 18104+3221 RComp Comp B Note1
Note2 Discov num HO 81 DRAs DDEs
R dRAs Year 1883 Theta 212 Rho 2.8
Obs 4 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11131 M ADS BDS N IDS IDS 18067N3220B
HIC 89041