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Doubles in session


Current system
11342+1101
HDS 1642 AB
HD 100518


Nearby doubles
32' : 11352+1128
HJ 182

50' : 11375+1049
GRV1194

53' : 11367+1138
J 2082

60' : 11326+1156
UC 2164

61' : 11369+1146
GWP1624

71' : 11389+1113
SLW 623

74' : 11363+1208
STF1556

75' : 11391+1051
BPM 581

76' : 11324+1212
BGH 35

78' : 11296+1138
HJ 2572

83' : 11302+1200
CVR 616

86' : 11330+0938
A 2576AB

89' : 11401+1043
SLW 629

93' : 11289+1011
CRC 18

94' : 11390+1001
HJ 184

103' : 11278+1020
CVR 612

112' : 11349+1253
ZHN 18

114' : 11398+0945
HJ 185

114' : 11361+1251
STF1554

122' : 11295+0921
GWP1592

126' : 11412+0950
HJ 187

128' : 11403+0931
LDS4131

130' : 11380+1257
HJ 183

132' : 11424+1154
GWP1648

137' : 11277+1239
LEP 42

138' : 11426+1004
HEI 503



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

11342+1101 HDS 1642 AB (HD 100518)

 
 
11h 34m 09.95s +11° 01' 25.9" P.A. 246.00 sep 1.2 mag 6.62,9.43 Sp A2m dist. 102.88 pc (335.59 l.y.)
 
 
Coord 2000 11342+1101 Discov num HDS1642 Comp AB Coord arcsec 2000 11 34 09.95 +11 01 25.9
Date first 1991 Date last 2021 Obs 29
Pa first 244 Pa last 245.6 P.A. Now (θ) 245.6°
Sep first 0.9 Sep last 1.21 Sep. Now (ρ) 1.21"
Mag pri 6.62 Mag sec 9.43 delta mag (ΔM) 2.81 Spectral class A2m (white)
Pri motion ra +035 Sec motion ra +037
Pri motion dec -019 Sec motion dec -023
Notes
rPM=0.103 (< 0.3, Physical double)
This double is physical.
 
 
11342+1101 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 99668 11 34 10 +11 01 26 YSC 43 Aa,Ab 2021 13 173 0.0 6.90 8.20 1.30 Y
Show HD 100518 99668 11 34 10 +11 01 26 HDS 1642 AB 2021 29 246 1.2 6.62 9.43 2.81 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 100518 Constellation Leo SAO 99668 HIP 56429
Tycho2 0859-00116-1 HD 100518 HR 4454 GC 15865
BD BD+11 2372 Distance 102.88 Distance ly 335.59
 
 
WDS 11342+1101 HDS 1642 AB (HD 100518) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
YSC Yale-Southern Connecticut (from additional DD list - see HOR) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11342+1101 HDS1642 AB 2008 8 245 1.1 6.62 9.43 A2m D 113409.95+110125.9
11342+1101 HDS1642 AB 2012 11 246 1.1 6.62 9.43 A2m D 113409.95+110125.9
11342+1101 HDS1642 AB 2013 12 246 1.1 6.62 9.43 A2m D 113409.95+110125.9
11342+1101 HDS1642 AB 2017 21 245 1.2 6.62 9.43 A2m 113409.95+110125.9
11342+1101 HDS1642 AB 2018 22 245 1.2 6.62 9.43 A2m 113409.95+110125.9
11342+1101 HDS1642 AB 2019 23 245 1.2 6.62 9.43 A2m 113409.95+110125.9
11342+1101 HDS1642 AB 2021 28 246 1.2 6.62 9.43 A2m 113409.95+110125.9

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

 
 
WDS 11342+1101 HDS 1642 AB (HD 100518) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11342+1101 HDS 1642 AB (HD 100518) : MEASURES
 
 
No records found.

 
 
WDS 11342+1101 (HD 100518) : VIRTUAL EYEPIECE
 
 

11342+1101 HDS1642A mag 6.62 Sp A2m 11342+1101 YSC 43Ab mag 8.2 11342+1101 HDS1642B sep 1.2 P.A. 245.20 mag 9.43 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 11342+1101 (HD 100518) : ALADIN DSS IMAGE @ 11h 34m 09.95s +11° 01' 25.9"
 
 
 
 
WDS 11342+1101 HDS 1642 AB (HD 100518) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11342+1101 HDS1642AB distance=0' 11352+1128 HJ 182 distance=32' 11375+1049 GRV1194 distance=50' 11367+1138 J 2082 distance=53' 11326+1156 UC 2164 distance=60' 11369+1146 GWP1624 distance=61' 11389+1113 SLW 623 distance=71' 11363+1208 STF1556 distance=74' 11391+1051 BPM 581 distance=75' 11324+1212 BGH 35 distance=76' 11296+1138 HJ 2572 distance=78' 11302+1200 CVR 616 distance=83' 11330+0938 A 2576AB distance=86' 11330+0938 A 2576AB,C distance=86' 11330+0938 J 428CD distance=86' 11401+1043 SLW 629 distance=89' 11289+1011 CRC 18 distance=93' 11390+1001 HJ 184 distance=94' 11278+1020 CVR 612 distance=103' 11349+1253 ZHN 18 distance=112' 11398+0945 HJ 185 distance=114' 11361+1251 STF1554 distance=114' 11295+0921 GWP1592 distance=122' 11412+0950 HJ 187 distance=126' 11403+0931 LDS4131 distance=128' 11380+1257 HJ 183 distance=130' 11424+1154 GWP1648 distance=132' 11277+1239 LEP 42 distance=137' 11426+1004 HEI 503 distance=138' 11330+1319 LDS4114 distance=139' 11255+1004 SKF2329 distance=140' 11429+1008 SLW 635 distance=140' 11260+1213 YSC 41AB distance=140' 11260+1213 GII 174Aa,Ab distance=140' 11436+1042 BU 917 distance=141' 11437+1126 GWP1653 distance=142' 11384+1311 GWP1628 distance=144' 11441+1059 SLW 637 distance=146' 11421+1229 SLW 632 distance=147' 11394+0856 A 2577 distance=148' 11329+0835 GWP1604 distance=149' 11244+1140 GOM 13 distance=149' 11439+1020 GWP1654 distance=150' 11366+0834 HEI 502 distance=152' 11239+1032 STF1536AB (Tsze tseang) distance=154' 11239+1032 STF1536AB,C distance=154' 11261+0924 SLW 600 distance=155' 11448+1123 J 3234 distance=159' 11434+0941 SLW 636 distance=159' 11383+0831 CVR1374 distance=163' 11413+0850 GWP1644 distance=169' 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 11342+1101 YSC 43 Aa,Ab 173 0.0
Show 11342+1101 HDS1642 AB 246 1.2
Show 11352+1128 HJ 182 263 16.7 32
Show 11375+1049 GRV1194 40 9.2 50
Show 11367+1138 J 2082 182 7.7 53
Show 11326+1156 UC 2164 10 39.2 60
Show 11369+1146 GWP1624 336 61.5 61
Show 11389+1113 SLW 623 272 118.8 71
Show 11363+1208 STF1556 52 9.1 74
Show 11391+1051 BPM 581 343 87.8 75
Show 11324+1212 BGH 35 106 395.5 76
Show 11296+1138 HJ 2572 171 38.9 78
Show 11302+1200 CVR 616 145 16.7 83
Show 11330+0938 A 2576 AB 260 0.6 86
Show 11330+0938 A 2576 AB,C 237 32.0 86
Show 11330+0938 J 428 CD 260 4.0 86
Show 11401+1043 SLW 629 285 134.1 89
Show 11289+1011 CRC 18 205 14.3 93
Show 11390+1001 HJ 184 158 21.8 94
Show 11278+1020 CVR 612 262 10.1 103
Show 11349+1253 ZHN 18 214 530.5 112
Show 11398+0945 HJ 185 39 28.8 114
Show 11361+1251 STF1554 215 0.3 114
Show 11295+0921 GWP1592 64 49.4 122
Show 11412+0950 HJ 187 9 9.7 126
Show 11403+0931 LDS4131 88 62.5 128
Show 11380+1257 HJ 183 13 102.8 130
Show 11424+1154 GWP1648 42 8.2 132
Show 11277+1239 LEP 42 350 16.9 137
Show 11426+1004 HEI 503 349 0.5 138
Show 11330+1319 LDS4114 135 22.8 139
Show 11255+1004 SKF2329 194 7.3 140
Show 11429+1008 SLW 635 159 151.2 140
Show 11260+1213 YSC 41 AB 280 1.2 140
Show 11260+1213 GII 174 Aa,Ab 84 0.4 140
Show 11436+1042 BU 917 176 4.1 141
Show 11437+1126 GWP1653 198 52.1 142
Show 11384+1311 GWP1628 226 79.1 144
Show 11441+1059 SLW 637 159 11.1 146
Show 11421+1229 SLW 632 331 123.9 147
Show 11394+0856 A 2577 133 0.2 148
Show 11329+0835 GWP1604 267 46.2 149
Show 11244+1140 GOM 13 134 234.2 149
Show 11439+1020 GWP1654 313 10.7 150
Show 11366+0834 HEI 502 331 1.0 152
Show Tsze tseang 11239+1032 STF1536 AB 92 2.3 154
Show 11239+1032 STF1536 AB,C 346 332.1 154
Show 11261+0924 SLW 600 126 9.6 155
Show 11448+1123 J 3234 285 8.9 159
Show 11434+0941 SLW 636 332 9.6 159
Show 11383+0831 CVR1374 111 3.6 163

 
 
WDS 11342+1101 : COMPONENTS
 
 
  A Ab
Ab pa=173.5°
sep=0.02"
 
B pa=245.2°
sep=1.19"
pa=246.3°
sep=1.18"
 
 
11342+1101 A
 
 
Name HD 100518 Coord arcsec 2000 113409.95+110125.9 Mag 6.62 Spectral class A2m (white)
PmRA 35.00 PmDE -19.0 SAO 99668 HIP 56429
Tycho2 0859-00116-1 HD 100518 HR 4454 GC 15865
BD BD+11 2372
Tycho2
Tycho2 0859-00116-1 Pflag RAmdeg 173.54145166 DEmdeg 11.02386730
PmRA 35.0 PmDE -19.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.34 EpDEm 1991.36
Num 23 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 1.1 BTmag 6.818 E BTmag 0.015 VTmag 6.617
E VTmag 0.010 Prox 9 TYC T HIP 56429
CCDM A RAdeg 173.54137000 DEdeg 11.02391139 EpRA 1990 1.74
EpDE 1990 1.74 E RAdeg 4.0 E DEdeg 4.4 Posflg P
Corr 0.3
SAO
SAO 99668 DelFlag RA1950 PmRA1950 0.003
DE1950 PmDE1950 -0.035 Vmag 6.5 SpType A2
Double code Source 70 CatNum 15865 DM BD+11 2372
DMcomp BDsup HD 100518 M HD 0
GC 15865 RA1950rad 3.01756889 DE1950rad 0.19722891 PmRA2000 0.0031
PmDE2000 -0.031
Hipparcos
Catalog H HIP 56429 Proxy H RAhms 11 34 09.93
DEdms +11 01 26.1 Vmag 6.54 VarFlag R Vmag G
RAdeg 173.541 DEdeg 11.0239 AstroRef A Plx 8.8
CCDM 11342+1101 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 244 Rho 0.94 HD 100518 BD BD+11 2372
CD CP Dm number +11 2372 VIred 0.24
SpType A2m R SpType Coord arcsec 2000 113409.93+110126.1
Hipparcos 2
HIP 56429 Sn 15 So 3 Nc 2
RArad 3.0288681616 DErad 0.1924036892 Plx 9.72 PmRA 35.24
PmDE -23.34 E RArad 0.63 E DErad 0.46 E Plx 0.69
E pmRA 0.8 E pmDE 0.61 Hpmag 6.613 E Hpmag 0.0011
SHp 0.008 VA 0 BV 0.188 E BV 0.005
VI 0.24
CCDM
Ccdm 11342+1101 RComp Comp A Note1
Note2 Discov num DRAs -2.05 DDEs 25.9
R dRAs 82 Year Theta Rho
Obs 2 Vmag 6.7 Sp A2 PmNote *
PmRA 37 PmDE -23 Dm number +11 2372 Cat1 BD
Name2 +11 1337 Cat2 AGK2/3 HD 100518 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 56429
 
 
11342+1101 Ab
 
 
Coord arcsec 2000 113409.95+110125.9 Mag 8.2 Calc delta mag 1.3 Calc coord yes
 
 
11342+1101 B
 
 
Coord arcsec 2000 113409.88+110125.4 Mag 9.43 PmRA 37.00 PmDE -23.0
Calc delta mag 2.53 Calc coord yes
CCDM
Ccdm 11342+1101 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.11 DDEs 25.5
R dRAs 82 Year 1991 Theta 244 Rho 0.9
Obs 1 Vmag 9.4 Sp PmNote *
PmRA 37 PmDE -23 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 56429