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Current system
20098+3629
COU 2413
HD 228020


Nearby doubles
5' : 20094+3630
SEI 928AB

7' : 20095+3623
ALI 409

10' : 20090+3626
SEI 920

12' : 20105+3635
SEI 948

13' : 20101+3617
SEI 939AB

15' : 20108+3637
TDT2052

16' : 20086+3623
TOB 170

17' : 20102+3644
ES 87

17' : 20111+3626
ALI 414

17' : 20103+3643
SMR 77

18' : 20105+3614
SEI 947

18' : 20104+3644
SEI 945AB

19' : 20085+3619
SEI 911

19' : 20111+3619
RAO 428

21' : 20110+3642
SEI 962

21' : 20115+3630
SEI 971AB

21' : 20108+3646
SEI 958

22' : 20109+3612
SEI 959

22' : 20094+3651
BNW 2AB

24' : 20115+3639
SEI 974AB

24' : 20116+3621
SEI 976

24' : 20085+3648
SEI 913

25' : 20086+3610
SEI 914

26' : 20108+3652
SEI 957

26' : 20078+3617
SEI 903

27' : 20076+3627
SEI 898AB



Selections
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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 20098+3629 : COMPONENTS
 
 
  A
B pa=91.4°
sep=0.64"
 
 
20098+3629 A
 
 
Componente originario normalizzato AB Name HD 228020 Coord arcsec 2000 200946.29+362850.8 Mag 10.25
Spectral class A1V (white) PmRA -4.00 PmDE -8.0 Tycho2 2683-01884-1
HD 228020
Tycho2
Tycho2 2683-01884-1 Pflag P RAmdeg 302.44288106 DEmdeg 36.48078969
PmRA -4.3 PmDE -7.7 E RAmdeg 25 E DEmdeg 22
E pmRA 2.7 E pmDE 2.4 EpRAm 1990.43 EpDEm 1990.60
Num 4 Q RAmdeg 0.3 Q DEmdeg 0.3 Q pmRA 0.3
Q pmDE 0.3 BTmag 10.513 E BTmag 0.031 VTmag 10.249
E VTmag 0.034 Prox 9 TYC T HIP
CCDM RAdeg 302.44275889 DEdeg 36.48081722 EpRA 1990 1.53
EpDE 1990 1.68 E RAdeg 21.6 E DEdeg 19.3 Posflg D
Corr 0.0
 
 
20098+3629 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200946.34+362850.8 Mag 10.41 PmRA -4.00
PmDE -8.0 Tycho2 2683-01884-2 Calc delta mag 0.16 Calc coord yes
Tycho2
Tycho2 2683-01884-2 Pflag P RAmdeg 302.44288106 DEmdeg 36.48078969
PmRA -4.3 PmDE -7.7 E RAmdeg 25 E DEmdeg 22
E pmRA 2.7 E pmDE 2.4 EpRAm 1990.43 EpDEm 1990.60
Num 4 Q RAmdeg 0.3 Q DEmdeg 0.3 Q pmRA 0.3
Q pmDE 0.3 BTmag 10.617 E BTmag 0.036 VTmag 10.412
E VTmag 0.039 Prox 9 TYC T HIP
CCDM RAdeg 302.44305722 DEdeg 36.48079583 EpRA 1990 1.54
EpDE 1990 1.68 E RAdeg 24.9 E DEdeg 22.0 Posflg D
Corr 0.0