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Doubles in session


Current system
18308-1108
LDS 642


Nearby doubles
24' : 18314-1048
STF2325

44' : 18331-1042
HDS2632AB

55' : 18276-1039
DAM 320AB

56' : 18270-1125
TDT 874

59' : 18334-1026
BU 642AB

69' : 18299-1216
HU 68

71' : 18311-0958
KPP2767

72' : 18292-1216
KPP1683

76' : 18343-1015
DAM 321

82' : 18362-1053
EGN 23AB

89' : 18285-1013
HJ 5497

89' : 18322-1235
RST4016

92' : 18271-1223
SKF2389

100' : 18365-1159
BAR 10

100' : 18254-1212
BRT2753

103' : 18276-1240
SKF2390

106' : 18378-1121
HU 70

107' : 18379-1111
BRT2755

109' : 18322-0922
BU 247

109' : 18300-1257
HU 69

111' : 18382-1115
RST4018

112' : 18234-1137
BVD 126

116' : 18242-1213
HU 63

119' : 18313-1306
EVS 8

120' : 18328-1304
J 1745

121' : 18308-1309
BRT2754



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18308-1108 LDS 642

 
 
18h 30m 41.27s -11° 08' 31.7" P.A. 336.00 sep 80.6 mag 12.32,12.97
 
 
Coord 2000 18308-1108 Discov num LDS 642 Comp Coord arcsec 2000 18 30 41.27 -11 08 31.7
Date first 1996 Date last 2015 Obs 10
Pa first 337 Pa last 336.4 P.A. Now (θ) 336.4°
Sep first 80.5 Sep last 80.561 Sep. Now (ρ) 80.561"
Mag pri 12.32 Mag sec 12.97 delta mag (ΔM) 0.65 Spectral class
Pri motion ra +013 Sec motion ra +012
Pri motion dec -081 Sec motion dec -088
Notes
rPM=0.08 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scutum Gaia DR2 4154872162953889664
 
 
WDS 18308-1108 LDS 642 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18308-1108 LDS 642 1920 1 315 81.0 12.50 13.00 I 183041.27-110831.5
18308-1108 LDS 642 1999 3 337 80.5 12.50 13.00 183041.27-110831.7
18308-1108 LDS 642 2000 3 337 80.6 12.50 13.00 183041.27-110831.7
18308-1108 LDS 642 2010 5 337 80.2 12.32 12.97 183041.27-110831.7
18308-1108 LDS 642 2015 6 336 80.6 12.32 12.97 183041.27-110831.7

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

 
 
WDS 18308-1108 LDS 642 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18308-1108 LDS 642 : MEASURES
 
 
No records found.

 
 
WDS 18308-1108 : VIRTUAL EYEPIECE
 
 

18308-1108 LDS 642A mag 12.32 18308-1108 LDS 642B sep 80.3 P.A. 336.80 mag 12.97 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18308-1108 : ALADIN DSS IMAGE @ 18h 30m 41.27s -11° 08' 31.7"
 
 
 
 
WDS 18308-1108 LDS 642 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18308-1108 LDS 642 distance=0' 18305-1052 HDS2623Aa,Ab distance=17' 18314-1048 STF2325 distance=24' 18331-1042 HDS2632AB distance=44' 18331-1042 GII 268Aa,Ab distance=44' 18276-1039 DAM 320AB distance=55' 18276-1039 DAM 320AC distance=55' 18270-1125 TDT 874 distance=56' 18334-1026 BU 642AB distance=59' 18334-1026 BU 642AC distance=59' 18299-1216 HU 68 distance=69' 18311-0958 KPP2767 distance=71' 18292-1216 KPP1683 distance=72' 18343-1015 DAM 321 distance=76' 18362-1053 EGN 23AB distance=82' 18362-1053 EGN 23AC distance=82' 18362-1053 EGN 23AD distance=82' 18362-1053 EGN 23AE distance=82' 18362-1053 EGN 23AF distance=82' 18362-1053 EGN 23AG distance=82' 18362-1053 EGN 23AH distance=82' 18362-1053 EGN 23AI distance=82' 18362-1053 EGN 23AJ distance=82' 18362-1053 EGN 23AK distance=82' 18362-1053 EGN 23AL distance=82' 18362-1053 EGN 23AM distance=82' 18285-1013 HJ 5497 distance=89' 18322-1235 RST4016 distance=89' 18271-1223 SKF2389 distance=92' 18365-1159 BAR 10 distance=100' 18254-1212 BRT2753 distance=100' 18276-1240 SKF2390 distance=103' 18378-1121 HU 70 distance=106' 18379-1111 BRT2755 distance=107' 18322-0922 BU 247 distance=109' 18300-1257 HU 69 distance=109' 18382-1115 RST4018 distance=111' 18234-1137 BVD 126 distance=112' 18242-1213 HU 63 distance=116' 18313-1306 EVS 8 distance=119' 18328-1304 J 1745 distance=120' 18308-1309 BRT2754 distance=121' 18355-0929 SLE 207 distance=123' 18357-1246 J 2133BC distance=126' 18357-1246 J 2133AB distance=126' 18357-1246 J 2133AD distance=126' 18226-1152 BU 1252 distance=127' 18358-1246 J 2135BC distance=127' 18358-1246 J 2135AB distance=127' 18303-1321 TDT 917 distance=133' 18218-1139 HU 62 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 18308-1108 LDS 642 336 80.6
Show 18305-1052 HDS2623 Aa,Ab 80 0.0 17
Show 18314-1048 STF2325 257 12.4 24
Show 18331-1042 HDS2632 AB 24 0.5 44
Show 18331-1042 GII 268 Aa,Ab 138 0.1 44
Show 18276-1039 DAM 320 AB 64 16.5 55
Show 18276-1039 DAM 320 AC 97 8.0 55
Show 18270-1125 TDT 874 299 0.8 56
Show 18334-1026 BU 642 AB 89 4.2 59
Show 18334-1026 BU 642 AC 30 63.3 59
Show 18299-1216 HU 68 118 3.1 69
Show 18311-0958 KPP2767 237 11.7 71
Show 18292-1216 KPP1683 264 13.0 72
Show 18343-1015 DAM 321 53 4.5 76
Show 18362-1053 EGN 23 AB 140 3.5 82
Show 18362-1053 EGN 23 AC 214 8.7 82
Show 18362-1053 EGN 23 AD 233 13.5 82
Show 18362-1053 EGN 23 AE 203 13.6 82
Show 18362-1053 EGN 23 AF 154 14.5 82
Show 18362-1053 EGN 23 AG 213 14.6 82
Show 18362-1053 EGN 23 AH 145 16.4 82
Show 18362-1053 EGN 23 AI 307 19.3 82
Show 18362-1053 EGN 23 AJ 210 18.4 82
Show 18362-1053 EGN 23 AK 171 19.1 82
Show 18362-1053 EGN 23 AL 221 21.1 82
Show 18362-1053 EGN 23 AM 235 21.8 82
Show 18285-1013 HJ 5497 224 16.1 89
Show 18322-1235 RST4016 31 0.9 89
Show 18271-1223 SKF2389 329 4.1 92
Show 18365-1159 BAR 10 134 0.4 100
Show 18254-1212 BRT2753 165 4.0 100
Show 18276-1240 SKF2390 165 0.6 103
Show 18378-1121 HU 70 181 0.2 106
Show 18379-1111 BRT2755 132 3.7 107
Show 18322-0922 BU 247 167 7.9 109
Show 18300-1257 HU 69 233 0.3 109
Show 18382-1115 RST4018 63 0.4 111
Show 18234-1137 BVD 126 290 19.2 112
Show 18242-1213 HU 63 306 4.1 116
Show 18313-1306 EVS 8 96 12.8 119
Show 18328-1304 J 1745 53 8.8 120
Show 18308-1309 BRT2754 328 4.6 121
Show 18355-0929 SLE 207 252 16.4 123
Show 18357-1246 J 2133 BC 321 5.6 126
Show 18357-1246 J 2133 AB 15 7.4 126
Show 18357-1246 J 2133 AD 77 13.0 126
Show 18226-1152 BU 1252 154 0.8 127
Show 18358-1246 J 2135 BC 21 4.9 127
Show 18358-1246 J 2135 AB 19 4.9 127
Show 18303-1321 TDT 917 33 7.6 133
Show 18218-1139 HU 62 25 0.5 135

 
 
WDS 18308-1108 : COMPONENTS
 
 
  A
B pa=336.8°
sep=80.32"
 
 
18308-1108 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183041.27-110831.7 Mag 12.32 PmRA 13.00
PmDE -81.0
 
 
18308-1108 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183039.12-110717.9 Mag 12.97 PmRA 12.00
PmDE -88.0 Calc delta mag 0.65 Calc coord yes