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Doubles in session


Current system
20466-1218
HLD 164
HD 197843


Nearby doubles
11' : 20472-1223
OCC1101

45' : 20435-1225
TDS1095

51' : 20482-1303
HJ 2997

56' : 20500-1154
BRG 31

56' : 20457-1123
RST4068

58' : 20476-1123
J 1401

60' : 20433-1143
RST4067

68' : 20500-1303
UC 4304

75' : 20508-1135
J 2324AB

81' : 20486-1333
RST4069

81' : 20518-1154
UC 4312

90' : 20506-1325
KPP2249

92' : 20442-1342
HLD 162

94' : 20419-1115
UC 4261

95' : 20466-1043
KPP4343AB

100' : 20412-1320
WSI 163

106' : 20531-1134
CHR 101

107' : 20406-1319
HJ 611

107' : 20441-1038
SHN 40

107' : 20412-1330
OCC 413

109' : 20518-1336
BRT2777

111' : 20426-1044
TDT2490

112' : 20446-1030
KPP3125

118' : 20415-1047
RST4675

121' : 20414-1352
BRT2776

125' : 20402-1055
GWP2980



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.

20466-1218 HLD 164 (HD 197843)

 
 
20h 46m 33.70s -12° 17' 37.7" P.A. 113.00 sep 2.7 mag 9.50,11.70 Sp K1III
 
 
Coord 2000 20466-1218 Discov num HLD 164 Comp Coord arcsec 2000 20 46 33.70 -12 17 37.7
Date first 1882 Date last 2015 Obs 9
Pa first 120 Pa last 112.7 P.A. Now (θ) 112.7°
Sep first 5.0 Sep last 2.67 Sep. Now (ρ) 2.67"
Mag pri 9.50 Mag sec 11.70 delta mag (ΔM) 2.2 Spectral class K1III (yellow-orange)
Pri motion ra -004 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197843 Constellation Aquarius SAO 163870 Tycho2 5764-01652-1
Gaia DR2 6900233988910556800 HD 197843
 
 
WDS 20466-1218 HLD 164 (HD 197843) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Hld1874 Ma - Holden, E.S. .
Hld1874 Washington Observations, 1874
Hld1875 Ma - Holden, E.S. .
Hld1875 Washington Observations, 1875
Hld1875b Ma j Holden, E.S. & Newcomb, S. 1875AN.....86..321H
Hld1875b AN 86, 321, 1875
Hld1875c Ma j Holden, E.S. 1875AN.....86..321H
Hld1875c AN 86, 321, 1875
Hld1876 Ma - Holden, E.S. .
Hld1876 Washington Observations, 1876
Hld1876b Ma j Holden, E.S. 1876AN.....88..131H
Hld1876b AN 88, 131, 1876
Hld1877 Ma - Holden, E.S. 1877AN.....90..161H
Hld1877 AN 90, 161, 1877
Hld1877b Ma j Holden, E.S. 1877AN.....90..161H
Hld1877b AN 90, 161, 1877
Hld1878 Ma - Holden, E.S. .
Hld1878 Washington Observations, 1878
Hld1878b Ma j Holden, E.S. 1878AN.....93...65H
Hld1878b AN 93, 65, 1878 (data also in Hld1878)
Hld1879 Ma - Holden, E.S. .
Hld1879 Washington Observations, 1879
Hld1879b Ma j Holden, E.S. 1879AN.....95..329H
Hld1879b AN 95, 329, 1879 (data also in Hld1879)
Hld1880 Ma - Holden, E.S. .
Hld1880 Washington Observations, 1880
Hld1880b Ma j Holden, E.S. 1880AN.....97..319H
Hld1880b AN 97, 319, 1880 (data also in Hld1880)
Hld1881 Ma - Holden, E.S. .
Hld1881 Washington Observations, 1881
Hld1881b Ma j Holden, E.S. 1881MNRAS..41..416.
Hld1881b MNRAS 41, 416, 1881
Hld1882 Ma - Holden, E.S. 1882PWasO...1...77H
Hld1882 Pub. Washburn Obs. 1, 77, 1882 (see Pub. Lick Obs. 2, 1894) 1894PLicO...2.....B
Hld1884 Ma - Holden, E.S. 1884PWasO...2...97H
Hld1884 Pub. Washburn Obs. 2, 97, 1884
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20466-1218 HLD 164 2002 8 114 2.7 9.50 11.70 K1III 204633.70-121737.7
20466-1218 HLD 164 2015 9 113 2.7 9.50 11.70 K1III 204633.70-121737.7

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

 
 
WDS 20466-1218 HLD 164 (HD 197843) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20466-1218 HLD 164 (HD 197843) : MEASURES
 
 
No records found.

 
 
WDS 20466-1218 (HD 197843) : VIRTUAL EYEPIECE
 
 

20466-1218 HLD 164A mag 9.5 Sp K1III 20466-1218 HLD 164B sep 2.6 P.A. 113.20 mag 11.7 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 20466-1218 (HD 197843) : ALADIN DSS IMAGE @ 20h 46m 33.70s -12° 17' 37.7"
 
 
 
 
WDS 20466-1218 HLD 164 (HD 197843) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20466-1218 HLD 164 distance=1' 20472-1223 OCC1101 distance=11' 20435-1225 TDS1095 distance=45' 20482-1303 HJ 2997 distance=51' 20500-1154 BRG 31 distance=56' 20457-1123 RST4068 distance=56' 20476-1123 J 1401 distance=58' 20433-1143 RST4067 distance=60' 20500-1303 UC 4304 distance=68' 20508-1135 J 2324BC distance=75' 20508-1135 J 2324AB distance=75' 20508-1135 J 2324AC distance=75' 20486-1333 RST4069 distance=81' 20518-1154 UC 4312 distance=81' 20506-1325 KPP2249 distance=90' 20442-1342 HLD 162 distance=92' 20419-1115 UC 4261 distance=94' 20466-1043 KPP4343AB distance=95' 20466-1043 KPP4343AC distance=95' 20466-1043 KPP4343BC distance=96' 20412-1320 WSI 163 distance=100' 20531-1134 CHR 101 distance=106' 20406-1319 HJ 611 distance=107' 20441-1038 SHN 40 distance=107' 20412-1330 OCC 413 distance=107' 20518-1336 BRT2777 distance=109' 20426-1044 TDT2490 distance=111' 20446-1030 KPP3125 distance=112' 20415-1047 RST4675 distance=118' 20414-1352 BRT2776 distance=121' 20402-1055 GWP2980 distance=125' 20386-1313 KPP1738 distance=130' 20388-1323 BRT2775 distance=131' 20376-1152 TDT2434 distance=135' 20555-1147 HU 81 distance=135' 20550-1316 GWP3016 distance=137' 20374-1152 TOK 629 distance=137' 20371-1155 UC 4232 distance=141' 20560-1143 RST4070 distance=143' 20369-1244 STF2699AB distance=144' 20369-1244 STF2699AC distance=144' 20369-1244 STF2699AD distance=144' 20530-1416 HU 272 distance=152' 20570-1242 TVB 317 distance=155' 20410-1431 HO 135 distance=156' 20426-1444 LDS4856 distance=157' 20562-1331 TDT2644 distance=159' 20556-1052 LV 8 distance=159' 20357-1153 GWP2968 distance=161' 20448-1458 OCC 20AB distance=163' 20448-1458 OCC 20AC distance=163' 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 20466-1218 HLD 164 113 2.7 1
Show 20472-1223 OCC1101 -1 0.0 11
Show 20435-1225 TDS1095 119 1.1 45
Show 20482-1303 HJ 2997 196 8.4 51
Show 20500-1154 BRG 31 343 0.4 56
Show 20457-1123 RST4068 159 1.0 56
Show 20476-1123 J 1401 304 4.3 58
Show 20433-1143 RST4067 43 0.4 60
Show 20500-1303 UC 4304 74 64.9 68
Show 20508-1135 J 2324 BC 78 4.0 75
Show 20508-1135 J 2324 AB 192 27.2 75
Show 20508-1135 J 2324 AC 183 25.8 75
Show 20486-1333 RST4069 179 0.3 81
Show 20518-1154 UC 4312 286 52.7 81
Show 20506-1325 KPP2249 274 18.7 90
Show 20442-1342 HLD 162 137 1.5 92
Show 20419-1115 UC 4261 261 62.4 94
Show 20466-1043 KPP4343 AB 317 25.5 95
Show 20466-1043 KPP4343 AC 314 26.3 95
Show 20466-1043 KPP4343 BC 261 2.5 96
Show 20412-1320 WSI 163 46 10.3 100
Show 20531-1134 CHR 101 183 0.2 106
Show 20406-1319 HJ 611 338 12.1 107
Show 20441-1038 SHN 40 28 0.3 107
Show 20412-1330 OCC 413 -1 0.3 107
Show 20518-1336 BRT2777 333 3.5 109
Show 20426-1044 TDT2490 209 0.6 111
Show 20446-1030 KPP3125 203 3.8 112
Show 20415-1047 RST4675 184 2.3 118
Show 20414-1352 BRT2776 79 4.2 121
Show 20402-1055 GWP2980 122 89.4 125
Show 20386-1313 KPP1738 57 13.4 130
Show 20388-1323 BRT2775 9 3.7 131
Show 20376-1152 TDT2434 121 1.4 135
Show 20555-1147 HU 81 55 0.3 135
Show 20550-1316 GWP3016 352 39.8 137
Show 20374-1152 TOK 629 69 999.9 137
Show 20371-1155 UC 4232 315 52.3 141
Show 20560-1143 RST4070 13 1.8 143
Show 20369-1244 STF2699 AB 196 9.2 144
Show 20369-1244 STF2699 AC 169 37.2 144
Show 20369-1244 STF2699 AD 157 57.0 144
Show 20530-1416 HU 272 184 3.5 152
Show 20570-1242 TVB 317 342 7.3 155
Show 20410-1431 HO 135 226 2.8 156
Show 20426-1444 LDS4856 200 2.0 157
Show 20562-1331 TDT2644 252 0.6 159
Show 20556-1052 LV 8 309 1.1 159
Show 20357-1153 GWP2968 349 30.0 161
Show 20448-1458 OCC 20 AB -1 0.1 163
Show 20448-1458 OCC 20 AC -1 0.1 163

 
 
WDS 20466-1218 : COMPONENTS
 
 
  A
B pa=113.2°
sep=2.62"
 
 
20466-1218 A
 
 
Componente originario normalizzato AB Name HD 197843 Coord arcsec 2000 204633.70-121737.7 Mag 9.5
Spectral class K1III (yellow-orange) PmRA -4.00 PmDE -18.0 SAO 163870
Tycho2 5764-01652-1 HD 197843 DM BD-12 5833
Tycho2
Tycho2 5764-01652-1 Pflag RAmdeg 311.64041598 DEmdeg -12.29383132
PmRA -11.6 PmDE -12.8 E RAmdeg 12 E DEmdeg 18
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.18 EpDEm 1990.01
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 10.691 E BTmag 0.039 VTmag 9.386
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 311.64044333 DEdeg -12.29380000 EpRA 1990 1.69
EpDE 1990 1.20 E RAdeg 12.4 E DEdeg 18.1 Posflg
Corr -0.2
SAO
SAO 163870 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.031 Vmag 8.7 SpType G5
Double code Source 20 CatNum 7354 DM BD-12 5833
DMcomp BDsup HD 197843 M HD 0
GC RA1950rad 5.42716928 DE1950rad -0.21777287 PmRA2000 -0.0008
PmDE2000 -0.032
CCDM
Ccdm 20466-1218 RComp Comp A Note1
Note2 Discov num DRAs -2.31 DDEs 21.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G5 PmNote *
PmRA -15 PmDE -31 Dm number -12 5833 Cat1 BD
Name2 163870 Cat2 SAO HD 197843 M HD
ADS BDS A14267 M ADS BDS N IDS IDS 20411S1240A
HIC
 
 
20466-1218 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204633.86-121738.7 Mag 11.7 Calc delta mag 2.2
Calc coord yes
CCDM
Ccdm 20466-1218 RComp Comp B Note1
Note2 Discov num HLD 164 DRAs DDEs
R dRAs Year 1888 Theta 114 Rho 2.8
Obs 4 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14267 M ADS BDS N IDS IDS 20411S1240B
HIC