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Doubles in session


Current system
21424+4105
KUI 108 AB


Nearby doubles
3' : 21426+4103
BU 688AB

8' : 21422+4057
DAM 231

13' : 21419+4058
MLB 30

19' : 21412+4117
COU1977

19' : 21416+4048
S 796AB

20' : 21431+4122
COU1978

36' : 21396+4049
MLB 29

37' : 21456+4110
TDT3144

42' : 21408+4027
TDT3102

44' : 21417+4022
TDT3111

45' : 21431+4021
TDT3121

51' : 21395+4144
BU 449AB

53' : 21458+4029
ES 1693

57' : 21461+4143
TDT3148

63' : 21409+4205
TDT3104

67' : 21365+4105
TDT3055

68' : 21456+4202
TDT3143

70' : 21380+4153
A 402

71' : 21373+4145
GRV 486

71' : 21473+4148
A 404AB

73' : 21398+4211
TDT3094

73' : 21361+4048
TDT3051

74' : 21369+4025
DRS 20

78' : 21454+3955
SEI1534

81' : 21494+4058
TDT3178

82' : 21354+4128
GRV 480



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 21424+4105 : COMPONENTS
 
 
  A B
B pa=10.3°
sep=0.20"
 
C pa=140.2°
sep=127.04"
pa=140.2°
sep=127.17"
 
 
21424+4105 A
 
 
Coord arcsec 2000 214222.94+410437.3 Mag 6.33 Spectral class A0V (white) PmRA 31.00
PmDE -5.0 SAO 51207 HIP 107162 Tycho2 3188-01949-1
HD 206644 HR 8300 GC 30394 BD BD+40 4615
Flamsteed 77 Cygni Flamsteed name 77 Cyg
Tycho2
Tycho2 3188-01949-1 Pflag RAmdeg 325.59567185 DEmdeg 41.07702277
PmRA 26.0 PmDE -0.4 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.55 EpDEm 1991.59
Num 9 Q RAmdeg 1.7 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 0.9 BTmag 5.796 E BTmag 0.014 VTmag 5.733
E VTmag 0.009 Prox 999 TYC T HIP 107162
CCDM AB RAdeg 325.59559194 DEdeg 41.07702361 EpRA 1990 1.67
EpDE 1990 1.70 E RAdeg 3.3 E DEdeg 3.3 Posflg P
Corr 0.2
SAO
SAO 51207 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.007 Vmag 5.5 SpType A0
Double code Source 70 CatNum 30394 DM BD+40 4615
DMcomp BDsup HD 206644 M HD 0
GC 30394 RA1950rad 5.67391918 DE1950rad 0.71293403 PmRA2000 0.0018
PmDE2000 0.003
Hipparcos
Catalog H HIP 107162 Proxy H RAhms 21 42 22.94
DEdms +41 04 37.3 Vmag 5.73 VarFlag R Vmag H
RAdeg 325.596 DEdeg 41.077 AstroRef * Plx 8.76
CCDM 21424+4105 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 355 Rho 0.189 HD 206644 BD BD+40 4615
CD CP Dm number +40 4615 VIred 0.06
SpType A0V R SpType Coord arcsec 2000 214222.94+410437.3
Hipparcos 2
HIP 107162 Sn 57 So 3 Nc 2
RArad 5.6827150103 DErad 0.7169292972 Plx 7.91 PmRA 23.48
PmDE -1.02 E RArad 0.26 E DErad 0.3 E Plx 0.4
E pmRA 0.34 E pmDE 0.4 Hpmag 5.7583 E Hpmag 0.0005
SHp 0.007 VA 0 BV 0.055 E BV 0.004
VI 0.07
CCDM
Ccdm 21424+4105 RComp Comp A Note1
Note2 Discov num DRAs -1.10 DDEs -23.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.2 Sp A0 PmNote *
PmRA 15 PmDE -9 Dm number +40 4615 Cat1 BD
Name2 +40 2246 Cat2 AGK2/3 HD 206644 M HD
ADS BDS M ADS BDS N IDS IDS 21384N4038A
HIC 107162
 
 
21424+4105 B
 
 
Coord arcsec 2000 214222.94+410437.5 Mag 6.72 Calc delta mag 0.39 Calc coord yes
CCDM
Ccdm 21424+4105 RComp Comp B Note1 *
Note2 Discov num KUI 108 DRAs DDEs
R dRAs Year 1937 Theta Rho
Obs 18 Vmag 6.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21384N4038B
HIC 107162
 
 
21424+4105 C
 
 
Coord arcsec 2000 214230.14+410259.8 Mag 7.8 Calc delta mag 1.47 Calc coord yes