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Doubles in session


Current system
20090-3843
SEE 407
HD 190981


Nearby doubles
22' : 20108-3845
YMG 90

31' : 20118-3825
TOK 904

34' : 20064-3829
RST2132

43' : 20123-3826
SKF2085

48' : 20081-3929
RST2134

50' : 20112-3926
HDS2878

57' : 20134-3821
B 472

68' : 20134-3927
TDT2102

69' : 20079-3951
CRU9011AB

70' : 20079-3952
UC 4093

73' : 20057-3743
HDS2865

73' : 20098-3732
B 2883

82' : 20123-3956
WG 251

86' : 20148-3936
CRU9012

88' : 20020-3816
TDT1925

89' : 20166-3841
KPP1571

92' : 20012-3835
HDO 294

93' : 20027-3939
RST2131

94' : 20114-3715
B 470

95' : 20022-3936
UC 4068

99' : 20006-3836
KPP 450

107' : 20174-3926
UC 4138

110' : 20008-3938
WG 249

111' : 20068-4031
WG 250

115' : 19596-3813
RST2126

116' : 20168-3733
B 473



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 20090-3843 : COMPONENTS
 
 
  A
B pa=256.3°
sep=2.61"
 
 
20090-3843 A
 
 
Componente originario normalizzato AB Name HD 190981 Coord arcsec 2000 200901.09-384324.8 Mag 9.43
Spectral class F6V (yellow-white) PmRA 37.00 PmDE -20.0 HIP 99264
Tycho2 7947-01019-1 HD 190981 CD CD-3913633 CP CP-39 8628
Tycho2
Tycho2 7947-01019-1 Pflag RAmdeg 302.25452574 DEmdeg -38.72355815
PmRA 18.3 PmDE -22.5 E RAmdeg 10 E DEmdeg 15
E pmRA 2.4 E pmDE 2.3 EpRAm 1991.49 EpDEm 1990.83
Num 5 Q RAmdeg 1.8 Q DEmdeg 1.1 Q pmRA 1.7
Q pmDE 1.0 BTmag 9.930 E BTmag 0.024 VTmag 9.426
E VTmag 0.020 Prox 34 TYC T HIP 99264
CCDM A RAdeg 302.25447222 DEdeg -38.72350444 EpRA 1990 1.73
EpDE 1990 1.42 E RAdeg 10.2 E DEdeg 14.7 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 99264 Proxy H RAhms 20 09 01.07
DEdms -38 43 24.6 Vmag 8.8 VarFlag R Vmag H
RAdeg 302.254 DEdeg -38.7235 AstroRef A Plx 1.68
CCDM 20090-3843 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 259 Rho 3.291 HD 190981 BD
CD CD-3913633 CP CP-39 8628 Dm number -3913633 VIred 0.57
SpType F6V R SpType Coord arcsec 2000 200901.07-384324.6
Hipparcos 2
HIP 99264 Sn 15 So 3 Nc 2
RArad 5.2753354731 DErad -0.6758526524 Plx 2.46 PmRA 13.13
PmDE -25.43 E RArad 1.11 E DErad 0.61 E Plx 1.24
E pmRA 1.62 E pmDE 1.28 Hpmag 8.9145 E Hpmag 0.0024
SHp 0.019 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 20090-3843 RComp Comp A Note1
Note2 Discov num DRAs 0.86 DDEs -23.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F2 PmNote
PmRA PmDE Dm number -3913633 Cat1 CD
Name2 Cat2 HD 190981 M HD
ADS BDS M ADS BDS N IDS IDS 20024S3901A
HIC 99264
 
 
20090-3843 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200900.87-384325.4 Mag 9.86 PmRA 13.00
PmDE -24.0 HIP 99264 Tycho2 7947-01019-2 Calc delta mag 0.43
Calc coord yes
Tycho2
Tycho2 7947-01019-2 Pflag RAmdeg 302.25332907 DEmdeg -38.72373571
PmRA 13.3 PmDE -24.1 E RAmdeg 15 E DEmdeg 22
E pmRA 2.6 E pmDE 2.5 EpRAm 1991.34 EpDEm 1990.52
Num 3 Q RAmdeg 1.9 Q DEmdeg 0.5 Q pmRA 1.9
Q pmDE 0.5 BTmag 10.485 E BTmag 0.034 VTmag 9.857
E VTmag 0.027 Prox 34 TYC HIP 99264
CCDM B RAdeg 302.25328944 DEdeg -38.72367833 EpRA 1990 1.72
EpDE 1990 1.42 E RAdeg 14.9 E DEdeg 21.7 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 99264 Proxy H RAhms 20 09 01.07
DEdms -38 43 24.6 Vmag 8.8 VarFlag R Vmag H
RAdeg 302.254 DEdeg -38.7235 AstroRef A Plx 1.68
CCDM 20090-3843 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 259 Rho 3.291 HD 190981 BD
CD CD-3913633 CP CP-39 8628 Dm number -3913633 VIred 0.57
SpType F6V R SpType Coord arcsec 2000 200901.07-384324.6
Hipparcos 2
HIP 99264 Sn 15 So 3 Nc 2
RArad 5.2753354731 DErad -0.6758526524 Plx 2.46 PmRA 13.13
PmDE -25.43 E RArad 1.11 E DErad 0.61 E Plx 1.24
E pmRA 1.62 E pmDE 1.28 Hpmag 8.9145 E Hpmag 0.0024
SHp 0.019 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 20090-3843 RComp Comp B Note1
Note2 Discov num SEE 407 DRAs DDEs
R dRAs Year 1896 Theta 260 Rho 3.2
Obs 6 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20024S3901B
HIC 99264