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Doubles in session


Current system
18405+3017
HJ 1336 AD


Nearby doubles
11' : 18413+3018
STF2367AB

15' : 18395+3009
LDS4794

19' : 18414+3032
TDT 998

20' : 18412+3000
SLE 115

23' : 18394+3000
SLE 101

28' : 18409+3044
SLE 114

32' : 18424+3036
LDS1014

33' : 18429+3008
SLE 117AB

35' : 18400+3051
ARY 59

37' : 18381+3000
J 1138

38' : 18386+3046
STF2359AB

39' : 18396+2940
SLE 102

43' : 18367+3036
HJ 1330AB

43' : 18437+3024
STF2376AB

44' : 18434+3037
SLE 118

45' : 18428+2945
SLE 116

48' : 18386+2937
J 525

48' : 18369+3032
DAM 111

52' : 18442+3000
TDT1022

53' : 18389+3106
SLE 113

60' : 18422+2922
RAO 396

65' : 18448+2945
TDT1028

65' : 18454+3005
SLE 119

68' : 18375+3112
A 250

74' : 18381+2911
TDT 965

75' : 18409+3132
HJ 1337



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.
 
 
WDS 18405+3017 : COMPONENTS
 
 
  A B C D
B pa=89.0°
sep=14.57"
 
C pa=176.2°
sep=32.53"
pa=200.8°
sep=35.00"
 
D pa=297.7°
sep=29.43"
pa=288.3°
sep=42.78"
pa=328.6°
sep=54.08"
 
E pa=337.2°
sep=31.49"
pa=317.0°
sep=39.31"
pa=346.8°
sep=63.14"
pa=42.0°
sep=20.65"
 
 
18405+3017 A
 
 
Name HD 172716 Coord arcsec 2000 184028.90+301721.5 Mag 8.69 Spectral class A0 (white)
PmRA 2.00 PmDE -4.0 SAO 67236 Tycho2 2637-00449-1
HD 172716 GC 25555 DM BD+30 3264
Tycho2
Tycho2 2637-00449-1 Pflag RAmdeg 280.12046451 DEmdeg 30.28932273
PmRA 2.5 PmDE -2.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.14 EpDEm 1991.13
Num 9 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 8.700 E BTmag 0.016 VTmag 8.690
E VTmag 0.013 Prox 999 TYC T HIP
CCDM RAdeg 280.12045778 DEdeg 30.28932917 EpRA 1990 1.55
EpDE 1990 1.60 E RAdeg 6.0 E DEdeg 6.1 Posflg
Corr 0.0
SAO
SAO 67236 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.012 Vmag 8.5 SpType A0
Double code Source 70 CatNum 25555 DM BD+30 3264
DMcomp BDsup HD 172716 M HD 0
GC 25555 RA1950rad 4.88063289 DE1950rad 0.5278191 PmRA2000 0.0002
PmDE2000 0.012
CCDM
Ccdm 18405+3017 RComp Comp A Note1
Note2 Discov num DRAs -1.10 DDEs 22.6
R dRAs 10 Year Theta Rho
Obs 5 Vmag 8.6 Sp A0 PmNote *
PmRA -1 PmDE 14 Dm number +30 3264 Cat1 BD
Name2 +30 1738 Cat2 AGK2/3 HD 172716 M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012A
HIC
 
 
18405+3017 B
 
 
Coord arcsec 2000 184030.02+301721.8 Mag 12 PmRA -8.00 PmDE -9.0
Calc delta mag 3.31 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp B Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1901 Theta 088 Rho 17.6
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012B
HIC
 
 
18405+3017 C
 
 
Coord arcsec 2000 184029.07+301649.0 Mag 11.5 PmRA 1.00 PmDE 0.0
Calc delta mag 2.81 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp C Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1901 Theta 177 Rho 32.2
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012C
HIC
 
 
18405+3017 D
 
 
Coord arcsec 2000 184026.89+301735.2 Mag 12.7 PmRA 3.00 PmDE -7.0
Calc delta mag 4.01 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp D Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1906 Theta 296 Rho 34.5
Obs 1 Vmag 12.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8728 M ADS BDS N IDS IDS 18366N3012D
HIC
 
 
18405+3017 E
 
 
Coord arcsec 2000 184027.96+301750.5 Mag 14.2 Calc delta mag 5.51 Calc coord yes
CCDM
Ccdm 18405+3017 RComp Comp E Note1
Note2 Discov num HJ 1336 DRAs DDEs
R dRAs Year 1906 Theta 333 Rho 31.8
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18366N3012E
HIC