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Doubles in session


Current system
18118-1903
I 1479
HD 166501


Nearby doubles
11' : 18125-1901
SKF 95

11' : 18120-1852
OCC9177

16' : 18125-1852
VAT 2

19' : 18126-1917
ARA 732

20' : 18125-1847
ARA 460

22' : 18130-1914
LDS 629

25' : 18124-1840
KPP4092

25' : 18135-1903
ARA 734

28' : 18137-1903
SKF 97

29' : 18138-1904
ARA 735

32' : 18140-1904
ARA 736

32' : 18138-1847
HJ 594AB

33' : 18137-1845
FEN 28

35' : 18129-1933
BRT1519

35' : 18141-1912
ARA 738AB

36' : 18143-1904
B 2859AB

36' : 18101-1929
SKF 934

37' : 18143-1902
ARA 740

40' : 18118-1825
HJ 2820AB

41' : 18089-1901
ARA 731

44' : 18140-1931
ARA 737

46' : 18147-1847
TOB 272AB

46' : 18129-1945
OCC 465

46' : 18147-1922
OCC 466

46' : 18150-1900
ARA 741

47' : 18150-1857
RST3167



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 18118-1903 : COMPONENTS
 
 
  A
B pa=235.0°
sep=1.95"
 
 
18118-1903 A
 
 
Componente originario normalizzato AB Name HD 166501 Coord arcsec 2000 181146.22-190239.3 Mag 9.13
Spectral class B5II/III (blue-white) PmRA 4.00 PmDE -1.0 SAO 161160
Tycho2 6272-00448-1 HD 166501 DM BD-19 4892
Tycho2
Tycho2 6272-00448-1 Pflag RAmdeg 272.94262354 DEmdeg -19.04427117
PmRA 5.5 PmDE 0.6 E RAmdeg 10 E DEmdeg 12
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.38 EpDEm 1989.39
Num 8 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 9.278 E BTmag 0.020 VTmag 9.129
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 272.94261028 DEdeg -19.04427250 EpRA 1990 1.84
EpDE 1990 1.76 E RAdeg 9.7 E DEdeg 12.5 Posflg
Corr -0.1
SAO
SAO 161160 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.007 Vmag 8.9 SpType B9
Double code Source 22 CatNum 7524 DM BD-19 4892
DMcomp BDsup HD 166501 M HD 0
GC RA1950rad 4.7508856 DE1950rad -0.33260366 PmRA2000 0.0001
PmDE2000 -0.006
CCDM
Ccdm 18118-1903 RComp Comp A Note1
Note2 Discov num DRAs -1.80 DDEs 20.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp B9 PmNote *
PmRA 0 PmDE -7 Dm number -19 4892 Cat1 BD
Name2 161160 Cat2 SAO HD 166501 M HD
ADS BDS A11138 M ADS BDS N IDS IDS 18059S1904A
HIC
 
 
18118-1903 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181146.11-190240.4 Mag 11.6 Calc delta mag 2.47
Calc coord yes
CCDM
Ccdm 18118-1903 RComp Comp B Note1
Note2 Discov num I 1479 DRAs DDEs
R dRAs Year 1925 Theta 237 Rho 1.9
Obs 1 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11138 M ADS BDS N IDS IDS 18059S1904B
HIC