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Doubles in session


Current system
20001+3423
SCA 180 AC


Nearby doubles
6' : 20002+3429
POP 61

7' : 20005+3418
SEI 780

11' : 19598+3432
LEP 168

11' : 20004+3434
SEI 779

15' : 20013+3426
SEI 790

20' : 20016+3417
SEI 793

20' : 19586+3424
SEI 754AB

22' : 20016+3435
COU1947

25' : 19597+3359
FRT 2AB

25' : 19581+3422
SEI 752

27' : 20020+3411
SEI 800

28' : 19589+3447
TDT1897

30' : 20025+3427
SEI 811

31' : 20016+3358
SEI 794

31' : 20012+3451
SEI 788

33' : 19594+3454
GAT 28

34' : 20015+3452
POP 63

37' : 20031+3421
BKO 525

37' : 20030+3416
BKO 524

37' : 20002+3459
SEI 776

38' : 20032+3421
SEI 820

39' : 20010+3346
SEI 785

41' : 20013+3346
SEI 789

41' : 19579+3353
COU1805

41' : 20023+3354
SEI 804

41' : 19592+3503
SEI 761



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 20001+3423 : COMPONENTS
 
 
  A B
B pa=0.0°
sep=0.00"
 
C pa=30.1°
sep=0.35"
pa=30.1°
sep=0.35"
 
 
20001+3423 A
 
 
Name HD 189705 Coord arcsec 2000 200008.51+342301.1 Mag 9.55 Spectral class A (white)
PmRA 4.00 PmDE 1.0 SAO 69236 Tycho2 2678-02028-1
HD 189705 ADS 13235 DM BD+33 3683
Tycho2
Tycho2 2678-02028-1 Pflag RAmdeg 300.03547588 DEmdeg 34.38368360
PmRA 4.2 PmDE 0.6 E RAmdeg 8 E DEmdeg 8
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.55 EpDEm 1990.83
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.3 BTmag 9.098 E BTmag 0.017 VTmag 9.031
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 300.03546333 DEdeg 34.38368250 EpRA 1990 1.60
EpDE 1990 1.79 E RAdeg 8.2 E DEdeg 7.7 Posflg P
Corr 0.1
SAO
SAO 69236 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 -0.002 Vmag 8.7 SpType A
Double code Source 6 CatNum 1960 DM BD+33 3683
DMcomp BDsup HD 189705 M HD 0
GC RA1950rad 5.22830224 DE1950rad 0.59769347 PmRA2000 0.0016
PmDE2000 -0.003
CCDM
Ccdm 20001+3423 RComp Comp A Note1
Note2 Discov num DRAs 2.43 DDEs 1.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp A PmNote *
PmRA -1 PmDE 9 Dm number +33 3683 Cat1 BD
Name2 +34 1960 Cat2 AGK2/3 HD 189705 M HD
ADS BDS A13235 M ADS BDS N IDS IDS 19563N3407A
HIC
 
 
20001+3423 B
 
 
Coord arcsec 2000 200008.51+342301.1 Coord calc 200008.51+342301.1 Mag 9.8 PmRA 4.00
PmDE 1.0 Calc delta mag 0.25
CCDM
Ccdm 20001+3423 RComp Comp B Note1
Note2 Discov num HU 1308 DRAs DDEs
R dRAs Year 1959 Theta 009 Rho 0.4
Obs 5 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13235 M ADS BDS N IDS IDS 19563N3407B
HIC
 
 
20001+3423 C
 
 
Coord arcsec 2000 200008.52+342301.4 Mag 9.8 Calc delta mag 0.25 Calc coord yes