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Current system
18405+3139
HO 437 AB


Nearby doubles
9' : 18409+3132
HJ 1337

36' : 18432+3150
UC 3654

39' : 18389+3106
SLE 113

42' : 18437+3141
A 253

47' : 18375+3112
A 250

49' : 18400+3051
ARY 59

49' : 18371+3201
SLE 220

55' : 18409+3044
SLE 114

59' : 18386+3046
STF2359AB

59' : 18425+3231
HJ 1340

61' : 18364+3209
SLE 219

63' : 18356+3136
SLE 217

66' : 18392+3242
SEI 567

68' : 18414+3032
TDT 998

69' : 18424+3036
LDS1014

71' : 18351+3151
UC 3620

73' : 18434+3037
SLE 118

73' : 18458+3113
SLE 120

74' : 18355+3215
CRB 127

76' : 18367+3036
HJ 1330AB

77' : 18347+3158
SLE 211

77' : 18464+3116
HJ 1345

77' : 18457+3218
SEI 574

79' : 18378+3249
LDS4792

81' : 18447+3237
LDS4797

81' : 18344+3200
ES 2420AB



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+3139 : COMPONENTS
 
 
  A B C D
B pa=144.8°
sep=0.25"
 
C pa=270.9°
sep=39.59"
pa=271.2°
sep=39.74"
 
D pa=277.0°
sep=40.73"
pa=277.3°
sep=40.90"
pa=349.1°
sep=4.45"
 
E pa=291.0°
sep=19.14"
pa=291.4°
sep=19.35"
pa=73.9°
sep=22.60"
pa=85.2°
sep=22.64"
 
 
18405+3139 A
 
 
Coord arcsec 2000 184029.71+313836.4 Mag 9 Spectral class A5 (white) PmRA -6.00
PmDE 2.0 SAO 67238 HIP 91579 HD 172729
BD BD+31 3327
SAO
SAO 67238 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.006 Vmag 7.7 SpType A5
Double code Source 6 CatNum 1668 DM BD+31 3327
DMcomp BDsup HD 172729 M HD 0
GC RA1950rad 4.88084857 DE1950rad 0.55144599 PmRA2000 0.0005
PmDE2000 0.006
Hipparcos
Catalog H HIP 91579 Proxy H RAhms 18 40 29.71
DEdms +31 38 36.4 Vmag 7.4 VarFlag R Vmag G
RAdeg 280.124 DEdeg 31.6435 AstroRef A Plx 5.02
CCDM 18405+3139 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 133 Rho 0.401 HD 172729 BD BD+31 3327
CD CP Dm number +31 3327 VIred 0.39
SpType A5 R SpType Coord arcsec 2000 184029.71+313836.4
Hipparcos 2
HIP 91579 Sn 15 So 3 Nc 2
RArad 4.8890821367 DErad 0.5522824759 Plx 5.95 PmRA -5.53
PmDE 3.34 E RArad 0.54 E DErad 0.6 E Plx 0.74
E pmRA 0.67 E pmDE 0.8 Hpmag 7.4708 E Hpmag 0.0012
SHp 0.011 VA 0 BV 0.335 E BV 0.015
VI 0.39
CCDM
Ccdm 18405+3139 RComp Comp A Note1
Note2 Discov num DRAs -0.28 DDEs -23.2
R dRAs 10 Year Theta Rho
Obs 5 Vmag 8.4 Sp A5 PmNote *
PmRA -4 PmDE 13 Dm number +31 3327 Cat1 BD
Name2 +31 1668 Cat2 AGK2/3 HD 172729 M HD
ADS BDS A11566 M ADS BDS N IDS IDS 18368N3132A
HIC 91579
 
 
18405+3139 B
 
 
Coord arcsec 2000 184029.72+313836.2 Mag 7.71 PmRA -6.00 PmDE 2.0
Tycho2 2637-01136-1 Calc delta mag 1.29 Calc coord yes
Tycho2
Tycho2 2637-01136-1 Pflag RAmdeg 280.12379969 DEmdeg 31.64342202
PmRA -6.4 PmDE 1.9 E RAmdeg 5 E DEmdeg 5
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.25 EpDEm 1991.35
Num 8 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 0.9 BTmag 7.782 E BTmag 0.016 VTmag 7.470
E VTmag 0.011 Prox 999 TYC T HIP 91579
CCDM AB RAdeg 280.12381750 DEdeg 31.64341750 EpRA 1990 1.51
EpDE 1990 1.62 E RAdeg 4.8 E DEdeg 4.5 Posflg P
Corr 0.0
CCDM
Ccdm 18405+3139 RComp Comp B Note1
Note2 Discov num HO 437 DRAs DDEs
R dRAs Year 1960 Theta 128 Rho 0.5
Obs 12 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11566 M ADS BDS N IDS IDS 18368N3132B
HIC 91579
 
 
18405+3139 C
 
 
Coord arcsec 2000 184026.61+313837.0 Coord calc 184026.61+313837.0 Mag 11.3 PmRA 7.00
PmDE -10.0 Calc delta mag 2.3
CCDM
Ccdm 18405+3139 RComp Comp C Note1
Note2 Discov num HO 437 DRAs DDEs
R dRAs Year 1893 Theta 273 Rho 40.2
Obs 3 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11566 M ADS BDS N IDS IDS 18368N3132C
HIC
 
 
18405+3139 D
 
 
Coord arcsec 2000 184026.54+313841.4 Mag 11.7 Calc delta mag 2.7 Calc coord yes
CCDM
Ccdm 18405+3139 RComp C Comp D Note1
Note2 Discov num HO 437 DRAs DDEs
R dRAs Year 1951 Theta 346 Rho 4.0
Obs 6 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11566 M ADS BDS N IDS IDS 18368N3132D
HIC
 
 
18405+3139 E
 
 
Coord arcsec 2000 184028.31+313843.3 Mag 15.2 Calc delta mag 6.2 Calc coord yes