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Current system
18328+1147
HU 245
HD 171168


Nearby doubles
13' : 18321+1152
BRT1301

24' : 18316+1203
HU 244

24' : 18316+1204
BPM 787

31' : 18346+1134
BPM 790

32' : 18342+1123
HJ 1329

32' : 18337+1216
ADP 4

36' : 18310+1125
J 2131

37' : 18344+1116
KRU 7

37' : 18329+1111
DAM 639

38' : 18339+1220
J 1197

38' : 18340+1219
J 1170

39' : 18350+1127
STF2341

45' : 18301+1127
BPM 784

47' : 18298+1201
BPM 781

47' : 18360+1144
STT 357

52' : 18296+1126
BRT1300

54' : 18328+1054
HEI 561

54' : 18292+1142
TOK 321AB

56' : 18299+1222
BPM 782

59' : 18368+1151
L 39

61' : 18294+1221
TDT 906

64' : 18369+1129
BPM 792

64' : 18340+1250
J 1832

77' : 18378+1127
BLL 33

80' : 18274+1141
BPM 776AB

83' : 18333+1309
OSO 100



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.

18328+1147 HU 245 (HD 171168)

 
 
18h 32m 47.78s +11° 47' 22.2" P.A. 53.00 sep 2.1 mag 9.52,10.68 Sp G5 dist. 154.32 pc (503.39 l.y.)
 
 
Coord 2000 18328+1147 Discov num HU  245 Comp Coord arcsec 2000 18 32 47.78 +11 47 22.2
Date first 1899 Date last 2016 Obs 34
Pa first 52 Pa last 52.5 P.A. Now (θ) 52.5°
Sep first 2.1 Sep last 2.116 Sep. Now (ρ) 2.116"
Mag pri 9.52 Mag sec 10.68 delta mag (ΔM) 1.16 Spectral class G5 (yellow)
Pri motion ra -003 Sec motion ra -003
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171168 Constellation Ophiuchus HIP 90918 Tycho2 1032-01568-1
Gaia DR2 4481072012824103808 HD 171168 BD BD+11 3504 Distance 154.32
Distance ly 503.39
 
 
WDS 18328+1147 HU 245 (HD 171168) : 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.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18328+1147 HU 245 2001 29 53 2.2 9.52 10.68 G5 D 183247.78+114722.2
18328+1147 HU 245 2015 32 52 2.1 9.52 10.68 G5 183247.78+114722.2
18328+1147 HU 245 2016 34 53 2.1 9.52 10.68 G5 183247.78+114722.2

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

 
 
WDS 18328+1147 HU 245 (HD 171168) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18328+1147 HU 245 (HD 171168) : MEASURES
 
 
No records found.

 
 
WDS 18328+1147 (HD 171168) : VIRTUAL EYEPIECE
 
 

18328+1147 HU 245A mag 9.52 Sp G5 18328+1147 HU 245B sep 2.1 P.A. 51.90 mag 10.68 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 18328+1147 (HD 171168) : ALADIN DSS IMAGE @ 18h 32m 47.78s +11° 47' 22.2"
 
 
 
 
WDS 18328+1147 HU 245 (HD 171168) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18328+1147 HU 245 distance=0' 18321+1152 BRT1301 distance=13' 18316+1203 HU 244 distance=24' 18316+1204 BPM 787 distance=24' 18346+1134 BPM 790 distance=31' 18342+1123 HJ 1329 distance=32' 18337+1216 ADP 4 distance=32' 18310+1125 J 2131 distance=36' 18344+1116 KRU 7 distance=37' 18329+1111 DAM 639 distance=37' 18339+1220 J 1197 distance=38' 18340+1219 J 1170 distance=38' 18350+1127 STF2341 distance=39' 18301+1127 BPM 784 distance=45' 18298+1201 BPM 781 distance=47' 18360+1144 STT 357 distance=47' 18296+1126 BRT1300 distance=52' 18328+1054 HEI 561 distance=54' 18292+1142 TOK 321AB distance=54' 18292+1142 TOK 321AC distance=54' 18299+1222 BPM 782 distance=56' 18368+1151 L 39 distance=59' 18294+1221 TDT 906 distance=61' 18369+1129 BPM 792 distance=64' 18340+1250 J 1832 distance=64' 18378+1127 BLL 33 distance=77' 18274+1141 BPM 776AB distance=80' 18274+1141 BPM 777BC distance=80' 18333+1309 OSO 100 distance=83' 18278+1109 TDT 889 distance=84' 18380+1107 BPM 795 distance=87' 18312+1311 STF2330 distance=87' 18381+1229 BPM 797 distance=89' 18326+1019 BRT1303 distance=89' 18291+1035 KPP1001 distance=91' 18266+1147 BPM 772 distance=92' 18385+1107 BPM 798 distance=94' 18381+1245 BPM 796 distance=97' 18264+1121 NI 38AB distance=98' 18264+1121 CRC 29AC distance=98' 18264+1216 BPM 771 distance=99' 18396+1146 SLE 229BC distance=100' 18396+1146 AG 363AB distance=100' 18396+1146 SLE 229AD distance=100' 18396+1146 SLE 229AC distance=100' 18395+1225 BPM 800 distance=105' 18364+1017 PRZ 14AB distance=105' 18364+1017 PRZ 14AC distance=105' 18367+1019 L 9002 distance=106' 18400+1146 TDT 984 distance=106' 18265+1100 J 2672 distance=106' 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 18328+1147 HU 245 53 2.1
Show 18321+1152 BRT1301 42 3.5 13
Show 18316+1203 HU 244 254 1.3 24
Show 18316+1204 BPM 787 159 26.9 24
Show 18346+1134 BPM 790 218 40.1 31
Show 18342+1123 HJ 1329 313 15.8 32
Show 18337+1216 ADP 4 301 3.9 32
Show 18310+1125 J 2131 9 8.1 36
Show 18344+1116 KRU 7 50 2.7 37
Show 18329+1111 DAM 639 256 7.0 37
Show 18339+1220 J 1197 180 2.3 38
Show 18340+1219 J 1170 120 4.5 38
Show 18350+1127 STF2341 265 15.4 39
Show 18301+1127 BPM 784 290 32.8 45
Show 18298+1201 BPM 781 276 50.9 47
Show 18360+1144 STT 357 68 0.4 47
Show 18296+1126 BRT1300 262 4.3 52
Show 18328+1054 HEI 561 190 2.4 54
Show 18292+1142 TOK 321 AB 113 43.2 54
Show 18292+1142 TOK 321 AC 257 167.2 54
Show 18299+1222 BPM 782 242 52.0 56
Show 18368+1151 L 39 218 2.2 59
Show 18294+1221 TDT 906 199 2.7 61
Show 18369+1129 BPM 792 358 86.9 64
Show 18340+1250 J 1832 353 6.7 64
Show 18378+1127 BLL 33 265 131.1 77
Show 18274+1141 BPM 776 AB 320 75.9 80
Show 18274+1141 BPM 777 BC 272 117.3 80
Show 18333+1309 OSO 100 132 23.0 83
Show 18278+1109 TDT 889 139 2.0 84
Show 18380+1107 BPM 795 38 108.9 87
Show 18312+1311 STF2330 165 16.3 87
Show 18381+1229 BPM 797 13 97.1 89
Show 18326+1019 BRT1303 295 7.4 89
Show 18291+1035 KPP1001 11 8.1 91
Show 18266+1147 BPM 772 331 109.0 92
Show 18385+1107 BPM 798 43.0 94
Show 18381+1245 BPM 796 221 65.0 97
Show 18264+1121 NI 38 AB 197 8.2 98
Show 18264+1121 CRC 29 AC 10 4.2 98
Show 18264+1216 BPM 771 252 115.4 99
Show 18396+1146 SLE 229 BC 195 22.4 100
Show 18396+1146 AG 363 AB 197 15.6 100
Show 18396+1146 SLE 229 AD 146 59.8 100
Show 18396+1146 SLE 229 AC 196 37.9 100
Show 18395+1225 BPM 800 50 92.4 105
Show 18364+1017 PRZ 14 AB 300 11.0 105
Show 18364+1017 PRZ 14 AC 101 43.9 105
Show 18367+1019 L 9002 275 4.9 106
Show 18400+1146 TDT 984 137 1.4 106
Show 18265+1100 J 2672 329 7.3 106

 
 
WDS 18328+1147 : COMPONENTS
 
 
  A
B pa=51.9°
sep=2.09"
 
 
18328+1147 A
 
 
Componente originario normalizzato AB Name HD 171168 Coord arcsec 2000 183247.78+114722.2 Mag 9.52
Spectral class G5 (yellow) PmRA -3.00 PmDE -5.0 HIP 90918
Tycho2 1032-01568-1 HD 171168 BD BD+11 3504
Tycho2
Tycho2 1032-01568-1 Pflag P RAmdeg 278.19910291 DEmdeg 11.78949019
PmRA -2.9 PmDE -5.2 E RAmdeg 13 E DEmdeg 14
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.99 EpDEm 1990.78
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.6 Q pmRA 1.5
Q pmDE 0.6 BTmag 10.192 E BTmag 0.026 VTmag 9.518
E VTmag 0.020 Prox 21 TYC T HIP 90918
CCDM A RAdeg 278.19902833 DEdeg 11.78943917 EpRA 1990 1.88
EpDE 1990 1.87 E RAdeg 12.6 E DEdeg 14.2 Posflg D
Corr 0.0
Hipparcos
Catalog H HIP 90918 Proxy H RAhms 18 32 47.77
DEdms +11 47 22.0 Vmag 9.15 VarFlag R Vmag H
RAdeg 278.199 DEdeg 11.7894 AstroRef A Plx 6.52
CCDM 18328+1147 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 53 Rho 2.144 HD 171168 BD BD+11 3504
CD CP Dm number +11 3504 VIred 0.83
SpType G5 R SpType Coord arcsec 2000 183247.77+114722.0
Hipparcos 2
HIP 90918 Sn 15 So 3 Nc 2
RArad 4.8554889285 DErad 0.2057645204 Plx 6.48 PmRA -1.55
PmDE -3.22 E RArad 1.38 E DErad 1.18 E Plx 1.83
E pmRA 2.11 E pmDE 1.74 Hpmag 9.2718 E Hpmag 0.0027
SHp 0.028 VA 0 BV 0.565 E BV 0.031
VI 0.64
CCDM
Ccdm 18328+1147 RComp Comp A Note1
Note2 Discov num DRAs -0.17 DDEs 21.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp G5 PmNote *
PmRA 6 PmDE -13 Dm number +11 3504 Cat1 BD
Name2 +11 2073 Cat2 AGK2/3 HD 171168 M HD
ADS BDS A11438 M ADS BDS N IDS IDS 18281N1143A
HIC 90918
 
 
18328+1147 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183247.89+114723.5 Mag 10.68 PmRA -3.00
PmDE -5.0 Tycho2 1032-01568-2 Calc delta mag 1.16 Calc coord yes
Tycho2
Tycho2 1032-01568-2 Pflag P RAmdeg 278.19910291 DEmdeg 11.78949019
PmRA -2.9 PmDE -5.2 E RAmdeg 13 E DEmdeg 14
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.99 EpDEm 1990.78
Num 5 Q RAmdeg 1.5 Q DEmdeg 0.6 Q pmRA 1.5
Q pmDE 0.6 BTmag 11.325 E BTmag 0.060 VTmag 10.678
E VTmag 0.051 Prox 21 TYC T HIP 90918
CCDM B RAdeg 278.19949139 DEdeg 11.78979583 EpRA 1990 1.87
EpDE 1990 1.87 E RAdeg 32.9 E DEdeg 36.8 Posflg D
Corr 0.0
CCDM
Ccdm 18328+1147 RComp Comp B Note1
Note2 Discov num HU 245 DRAs DDEs
R dRAs Year 1899 Theta 053 Rho 2.1
Obs 21 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11438 M ADS BDS N IDS IDS 18281N1143B
HIC 90918