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Doubles in session


Current system
18437+3024
STF 2376 AC


Nearby doubles
14' : 18434+3037
SLE 118

19' : 18424+3036
LDS1014

20' : 18429+3008
SLE 117AB

26' : 18442+3000
TDT1022

29' : 18454+3005
SLE 119

31' : 18414+3032
TDT 998

33' : 18413+3018
STF2367AB

41' : 18412+3000
SLE 115

41' : 18428+2945
SLE 116

42' : 18448+2945
TDT1028

42' : 18409+3044
SLE 114

43' : 18405+3017
HJ 1336AB

48' : 18465+3055
A 254

50' : 18468+3055
BRT 261

55' : 18400+3051
ARY 59

56' : 18395+3009
LDS4794

57' : 18458+3113
SLE 120

61' : 18394+3000
SLE 101

62' : 18464+3116
HJ 1345

65' : 18486+3016
TDT1064

66' : 18422+2922
RAO 396

68' : 18452+2919
SLE 105

69' : 18490+3017
TDT1067

69' : 18396+2940
SLE 102

70' : 18386+3046
STF2359AB

75' : 18389+3106
SLE 113



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 18437+3024 : COMPONENTS
 
 
  A B C
B pa=59.3°
sep=19.92"
 
C pa=203.2°
sep=82.89"
pa=209.9°
sep=99.67"
 
D pa=169.6°
sep=28.97"
pa=197.1°
sep=40.45"
pa=38.4°
sep=60.90"
 
 
18437+3024 A
 
 
Name HD 173384 Coord arcsec 2000 184342.26+302416.9 Mag 8.66 Spectral class A0 (white)
PmRA 7.00 PmDE 7.0 SAO 67290 HIP 91863
Tycho2 2637-02280-1 HD 173384 GC 25638 ADS 11624
BD BD+30 3281
Tycho2
Tycho2 2637-02280-1 Pflag RAmdeg 280.92611799 DEmdeg 30.40472349
PmRA 5.3 PmDE 8.1 E RAmdeg 7 E DEmdeg 6
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.94 EpDEm 1991.17
Num 8 Q RAmdeg 1.1 Q DEmdeg 1.3 Q pmRA 1.2
Q pmDE 1.4 BTmag 8.774 E BTmag 0.017 VTmag 8.661
E VTmag 0.014 Prox 223 TYC T HIP 91863
CCDM A RAdeg 280.92610389 DEdeg 30.40470389 EpRA 1990 1.39
EpDE 1990 1.56 E RAdeg 6.8 E DEdeg 6.2 Posflg
Corr 0.0
SAO
SAO 67290 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.005 Vmag 8 SpType A0
Double code Source 70 CatNum 25638 DM BD+30 3281
DMcomp BDsup HD 173384 M HD 0
GC 25638 RA1950rad 4.89469841 DE1950rad 0.5297576 PmRA2000 0.0003
PmDE2000 0.005
Hipparcos
Catalog H HIP 91863 Proxy RAhms 18 43 42.26
DEdms +30 24 16.9 Vmag 8.69 VarFlag R Vmag H
RAdeg 280.926 DEdeg 30.4047 AstroRef A Plx 6.71
CCDM 18437+3024 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 173384 BD BD+30 3281
CD CP Dm number +30 3281 VIred 0.13
SpType A0 R SpType Coord arcsec 2000 184342.26+302416.9
Hipparcos 2
HIP 91863 Sn 95 So 3 Nc 1
RArad 4.9030854378 DErad 0.5306621735 Plx 4.93 PmRA 7.97
PmDE 0.68 E RArad 1.03 E DErad 1.27 E Plx 1.6
E pmRA 1.29 E pmDE 1.81 Hpmag 8.7138 E Hpmag 0.0477
SHp 0.052 VA 0 BV 0.069 E BV 0.02
VI 0.08
CCDM
Ccdm 18437+3024 RComp Comp A Note1
Note2 Discov num DRAs 0.14 DDEs 16.2
R dRAs 70 Year Theta Rho
Obs 3 Vmag 8.5 Sp A0 PmNote *
PmRA -3 PmDE 18 Dm number +30 3281 Cat1 BD
Name2 +30 1746 Cat2 AGK2/3 HD 173384 M HD
ADS BDS A11624 M ADS BDS N IDS IDS 18399N3018A
HIC 91863
 
 
18437+3024 B
 
 
Coord arcsec 2000 184343.58+302427.1 Mag 9.31 PmRA 9.00 PmDE 8.0
HIP 91869 Tycho2 2637-00197-1 Calc delta mag 0.65 Calc coord yes
Tycho2
Tycho2 2637-00197-1 Pflag RAmdeg 280.93253455 DEmdeg 30.40755096
PmRA 9.1 PmDE 9.4 E RAmdeg 11 E DEmdeg 10
E pmRA 2.2 E pmDE 2.1 EpRAm 1991.15 EpDEm 1991.33
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.5 Q pmRA 0.1
Q pmDE 0.5 BTmag 9.411 E BTmag 0.020 VTmag 9.310
E VTmag 0.018 Prox 223 TYC T HIP 91869
CCDM B RAdeg 280.93250944 DEdeg 30.40752889 EpRA 1990 1.42
EpDE 1990 1.57 E RAdeg 10.7 E DEdeg 9.7 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 91869 Proxy RAhms 18 43 43.80
DEdms +30 24 27.1 Vmag 9.38 VarFlag R Vmag H
RAdeg 280.932 DEdeg 30.4075 AstroRef B Plx 9.65
CCDM 18437+3024 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.01
SpType A0 R SpType Coord arcsec 2000 184343.80+302427.1
Hipparcos 2
HIP 91869 Sn 95 So 3 Nc 1
RArad 4.9031970276 DErad 0.530711427 Plx 11.58 PmRA 4.57
PmDE 5.4 E RArad 3.19 E DErad 4.24 E Plx 4.87
E pmRA 3.45 E pmDE 5.47 Hpmag 9.3692 E Hpmag 0.0747
SHp 0 VA 0 BV 0.104 E BV 0.025
VI 0.12
CCDM
Ccdm 18437+3024 RComp Comp B Note1
Note2 Discov num STF2376 DRAs 1.67 DDEs 25.8
R dRAs 70 Year 1830 Theta 063 Rho 22.4
Obs 11 Vmag 9.2 Sp PmNote *
PmRA -3 PmDE 16 Dm number Cat1
Name2 +30 1747 Cat2 AGK2/3 HD M HD
ADS BDS A11624 M ADS BDS N IDS IDS 18399N3018B
HIC 91869
 
 
18437+3024 C
 
 
Coord arcsec 2000 184339.74+302300.7 Mag 12.12 PmRA -8.00 PmDE -18.0
Tycho2 2637-02247-1 Calc delta mag 3.46 Calc coord yes
Tycho2
Tycho2 2637-02247-1 Pflag RAmdeg 280.91405973 DEmdeg 30.38367998
PmRA -8.0 PmDE -19.2 E RAmdeg 114 E DEmdeg 103
E pmRA 3.0 E pmDE 2.9 EpRAm 1971.51 EpDEm 1974.41
Num 3 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.7 BTmag 14.165 E BTmag 0.497 VTmag 12.121
E VTmag 0.185 Prox 842 TYC HIP
CCDM RAdeg 280.91408222 DEdeg 30.38372472 EpRA 1990 1.42
EpDE 1990 1.58 E RAdeg 128.7 E DEdeg 113.7 Posflg
Corr 0.1
CCDM
Ccdm 18437+3024 RComp Comp C Note1
Note2 Discov num STF2376 DRAs -2.78 DDEs -59.5
R dRAs 70 Year 1880 Theta 207 Rho 81.7
Obs 3 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11624 M ADS BDS N IDS IDS 18399N3018C
HIC
 
 
18437+3024 D
 
 
Coord arcsec 2000 184342.66+302348.4 Mag 12.9 PmRA 0.00 PmDE -14.0
Calc delta mag 4.24 Calc coord yes