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Doubles in session


Current system
18475+4926
BU 971 AB,C
V413 Dra


Nearby doubles
18' : 18472+4909
COU2516

22' : 18477+4904
HEI 72AB

38' : 18436+4925
TDT1018

44' : 18486+4844
DEA 284

49' : 18517+4859
JKA 10AB

56' : 18526+4901
A 1384

63' : 18512+4835
DEA 278

70' : 18545+4920
DEA 165

72' : 18489+4816
KOI1287

72' : 18405+4906
COU2394

72' : 18532+4841
JKA 12

74' : 18410+4848
COU2395

79' : 18534+4833
KOI 344AB

80' : 18548+4852
BU 1255AB

81' : 18524+4822
DEA 402

84' : 18559+4914
KOI1436

84' : 18533+4824
KOI3564

85' : 18528+4820
DEA 369

85' : 18496+5048
UC 3686

88' : 18540+5027
AZC 178

90' : 18567+4922
KOI 768

91' : 18386+4901
CBL 171

93' : 18525+4808
KOI1989

93' : 18568+4941
DEA 156

94' : 18545+4823
WOL 4

94' : 18532+4811
RAO 173AB



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 18475+4926 : COMPONENTS
 
 
  A B C
B pa=204.2°
sep=0.44"
 
C pa=122.5°
sep=74.37"
pa=122.2°
sep=74.30"
 
D pa=142.8°
sep=74.67"
pa=142.5°
sep=74.45"
pa=222.0°
sep=26.29"
 
 
18475+4926 A
 
 
Var name S Sct Coord arcsec 2000 184729.57+492555.4 Mag 7.37 Spectral class F0III (yellow-white)
PmRA 11.00 PmDE -10.0 SAO 47811 HIP 92204
Tycho2 3548-02346-1 HD 174343 GC 25773 BD BD+49 2871
Flamsteed 205 Draconis Flamsteed name 205 Dra
Tycho2
Tycho2 3548-02346-1 Pflag RAmdeg 281.87324505 DEmdeg 49.43202414
PmRA 11.8 PmDE -9.5 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.48 EpDEm 1991.47
Num 9 Q RAmdeg 1.0 Q DEmdeg 2.2 Q pmRA 0.9
Q pmDE 2.3 BTmag 7.689 E BTmag 0.015 VTmag 7.227
E VTmag 0.010 Prox 999 TYC T HIP 92204
CCDM AB RAdeg 281.87320278 DEdeg 49.43204611 EpRA 1990 1.64
EpDE 1990 1.63 E RAdeg 4.4 E DEdeg 4.4 Posflg P
Corr 0.0
SAO
SAO 47811 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 -0.014 Vmag 7.2 SpType +++
Double code Source 70 CatNum 25773 DM BD+49 2871
DMcomp BDsup HD 174343 M HD 9
GC 25773 RA1950rad 4.91397717 DE1950rad 0.86176723 PmRA2000 0.0011
PmDE2000 -0.014
Hipparcos
Catalog H HIP 92204 Proxy H RAhms 18 47 29.57
DEdms +49 25 55.4 Vmag 7.19 VarFlag 1 R Vmag H
RAdeg 281.873 DEdeg 49.432 AstroRef A Plx 4.14
CCDM 18475+4926 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 217 Rho 0.344 HD 174343 BD BD+49 2871
CD CP Dm number +49 2871 VIred 0.49
SpType F5 R SpType Coord arcsec 2000 184729.57+492555.4
Hipparcos 2
HIP 92204 Sn 15 So 3 Nc 2
RArad 4.9196155261 DErad 0.8627520426 Plx 4.36 PmRA 13.55
PmDE -10.15 E RArad 0.47 E DErad 0.48 E Plx 0.52
E pmRA 0.52 E pmDE 0.54 Hpmag 7.2885 E Hpmag 0.0013
SHp 0.012 VA 2 BV 0.443 E BV 0.01
VI 0.51
CCDM
Ccdm 18475+4926 RComp Comp A Note1
Note2 Discov num DRAs -0.46 DDEs -6.0
R dRAs 10 Year Theta Rho
Obs 4 Vmag 7.4 Sp F5 PmNote *
PmRA 1 PmDE -32 Dm number +49 2871 Cat1 BD
Name2 +49 1455 Cat2 AGK2/3 HD 174343 M HD
ADS BDS A11698 M ADS BDS N IDS IDS 18449N4919A
HIC 92204
 
 
18475+4926 B
 
 
Coord arcsec 2000 184729.55+492555.0 Mag 10.16 Calc delta mag 2.79 Calc coord yes
CCDM
Ccdm 18475+4926 RComp Comp B Note1
Note2 Discov num BU 971 DRAs DDEs
R dRAs Year 1954 Theta Rho 0.2
Obs Vmag 9.4 Sp A PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 174344 M HD
ADS BDS A11698 M ADS BDS N N IDS IDS 18449N4919B
HIC 92204
 
 
18475+4926 C
 
 
Coord arcsec 2000 184736.00+492515.5 Mag 12.14 PmRA -17.00 PmDE -1.0
Calc delta mag 4.77 Calc coord yes
CCDM
Ccdm 18475+4926 RComp Comp C Note1
Note2 Discov num BU 971 DRAs DDEs
R dRAs Year 1914 Theta 113 Rho 107.6
Obs 1 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11698 M ADS BDS N IDS IDS 18449N4919C
HIC
 
 
18475+4926 D
 
 
Coord arcsec 2000 184734.20+492455.9 Mag 13.8 PmRA 4.00 PmDE -3.0
Calc delta mag 6.43 Calc coord yes
CCDM
Ccdm 18475+4926 RComp Comp D Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1914 Theta 132 Rho
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11698 M ADS BDS N IDS IDS 18449N4919D
HIC