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Doubles in session


Current system
21426+4226
BU 1505 BC


Nearby doubles
22' : 21443+4234
OSO 156AB

29' : 21409+4205
TDT3104

35' : 21398+4211
TDT3094

36' : 21443+4256
TDT3129

37' : 21427+4303
TDT3117

37' : 21448+4254
TDT3132

42' : 21456+4202
TDT3143

45' : 21462+4239
ES 1460AB

45' : 21454+4258
ES 1459

48' : 21389+4249
J 1232

49' : 21462+4254
COU1979

55' : 21395+4144
BU 449AB

57' : 21402+4316
AC 20AB

59' : 21392+4311
GIC 168

59' : 21461+4143
TDT3148

59' : 21381+4258
ES 1458

60' : 21478+4212
TDT3158

61' : 21395+4317
DA 14

61' : 21474+4256
A 405

61' : 21380+4153
A 402

65' : 21431+4122
COU1978

66' : 21473+4148
A 404AB

69' : 21385+4317
DA 15

71' : 21373+4145
GRV 486

72' : 21412+4117
COU1977

74' : 21360+4237
ES 1457AB



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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.
 
 
WDS 21426+4226 : COMPONENTS
 
 
  A B
B pa=232.4°
sep=16.21"
 
C pa=195.0°
sep=32.69"
pa=168.6°
sep=22.11"
 
 
21426+4226 A
 
 
Name HD 206673 Coord arcsec 2000 214234.15+422626.5 Mag 7.48 Spectral class A0 (white)
PmRA 6.00 PmDE -12.0 SAO 51214 HIP 107180
Tycho2 3192-01925-1 HD 206673 GC 30404 BD BD+41 4243
Tycho2
Tycho2 3192-01925-1 Pflag RAmdeg 325.64232151 DEmdeg 42.44071820
PmRA 6.2 PmDE -10.0 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.9 EpRAm 1991.14 EpDEm 1991.27
Num 17 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.1 BTmag 7.644 E BTmag 0.015 VTmag 7.484
E VTmag 0.010 Prox 162 TYC T HIP 107180
CCDM A RAdeg 325.64230222 DEdeg 42.44074139 EpRA 1990 1.61
EpDE 1990 1.60 E RAdeg 4.1 E DEdeg 4.1 Posflg
Corr 0.2
SAO
SAO 51214 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.006 Vmag 7.3 SpType A0
Double code Source 70 CatNum 30404 DM BD+41 4243
DMcomp BDsup HD 206673 M HD 0
GC 30404 RA1950rad 5.67485882 DE1950rad 0.73673391 PmRA2000 0.0003
PmDE2000 -0.01
Hipparcos
Catalog H HIP 107180 Proxy RAhms 21 42 34.15
DEdms +42 26 26.7 Vmag 7.46 VarFlag R Vmag H
RAdeg 325.642 DEdeg 42.4407 AstroRef A Plx 6.4
CCDM 21426+4226 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 206673 BD BD+41 4243
CD CP Dm number +41 4243 VIred 0.15
SpType A0 R SpType Coord arcsec 2000 214234.15+422626.7
Hipparcos 2
HIP 107180 Sn 95 So 3 Nc 1
RArad 5.6835303603 DErad 0.7407307041 Plx 6.5 PmRA 5.66
PmDE -11.87 E RArad 0.49 E DErad 0.52 E Plx 0.69
E pmRA 0.61 E pmDE 0.66 Hpmag 7.5104 E Hpmag 0.0058
SHp 0.017 VA 0 BV 0.152 E BV 0.008
VI 0.17
CCDM
Ccdm 21426+4226 RComp Comp A Note1
Note2 Discov num DRAs -1.85 DDEs 27.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.4 Sp A0 PmNote *
PmRA 2 PmDE -3 Dm number +41 4243 Cat1 BD
Name2 +42 2066 Cat2 AGK2/3 HD 206673 M HD
ADS BDS A15249 M ADS BDS N IDS IDS 21385N4158A
HIC 107180
 
 
21426+4226 B
 
 
Coord arcsec 2000 214232.99+422616.6 Coord calc 214232.99+422616.6 Mag 10.56 PmRA 3.00
PmDE -14.0 HIP 107174 Calc delta mag 3.08
Hipparcos
Catalog H HIP 107174 Proxy RAhms 21 42 33.02
DEdms +42 26 16.5 Vmag 10.88 VarFlag R Vmag H
RAdeg 325.638 DEdeg 42.4379 AstroRef B Plx 14.31
CCDM 21426+4226 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.7
SpType R SpType Coord arcsec 2000 214233.02+422616.5
Hipparcos 2
HIP 107174 Sn 95 So 3 Nc 1
RArad 5.6834479987 DErad 0.7406811414 Plx 3.79 PmRA 6.14
PmDE -13.21 E RArad 1.22 E DErad 1.27 E Plx 1.68
E pmRA 1.58 E pmDE 1.55 Hpmag 11.0857 E Hpmag 0.1374
SHp 0 VA 0 BV 0.495 E BV 0.086
VI 0.57
CCDM
Ccdm 21426+4226 RComp Comp B Note1
Note2 Discov num STF2820 DRAs DDEs
R dRAs Year 1903 Theta 232 Rho 16.3
Obs 2 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15249 M ADS BDS N N IDS IDS 21385N4158B
HIC 107174
 
 
21426+4226 C
 
 
Coord arcsec 2000 214233.38+422554.9 Mag 12.68 PmRA -9.00 PmDE -7.0
Calc delta mag 5.2 Calc coord yes
CCDM
Ccdm 21426+4226 RComp Comp C Note1
Note2 Discov num BU DRAs DDEs
R dRAs Year Theta 198 Rho 34.4
Obs 1 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15249 M ADS BDS N IDS IDS 21385N4158C
HIC