WDS 21023+2037 : COMPONENTS
 
 
  A
B pa=132.3°
sep=0.10"
 
 
21023+2037 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210215.34+203726.2 Mag 10.24 Spectral class K0 (yellow-orange)
PmRA 8.00 PmDE -16.0 HIP 103817 Tycho2 1656-00167-1
BD BD+20 4809
Tycho2
Tycho2 1656-00167-1 Pflag RAmdeg 315.56394542 DEmdeg 20.62388676
PmRA 8.3 PmDE -15.6 E RAmdeg 19 E DEmdeg 26
E pmRA 1.3 E pmDE 1.3 EpRAm 1987.29 EpDEm 1984.46
Num 8 Q RAmdeg 0.8 Q DEmdeg 1.3 Q pmRA 0.8
Q pmDE 1.3 BTmag 12.080 E BTmag 0.112 VTmag 10.117
E VTmag 0.031 Prox 999 TYC T HIP 103817
CCDM AB RAdeg 315.56392028 DEdeg 20.62392361 EpRA 1990 1.59
EpDE 1990 1.21 E RAdeg 23.3 E DEdeg 31.5 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 103817 Proxy H RAhms 21 02 15.34
DEdms +20 37 26.2 Vmag 9.91 VarFlag R Vmag H
RAdeg 315.564 DEdeg 20.6239 AstroRef * Plx -1.27
CCDM 21023+2037 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AB
Theta 173 Rho 0.13 HD BD BD+20 4809
CD CP Dm number +20 4809 VIred 1.08
SpType K0 R SpType Coord arcsec 2000 210215.34+203726.2
Hipparcos 2
HIP 103817 Sn 55 So 3 Nc 2
RArad 5.5076293929 DErad 0.3599555028 Plx 0.86 PmRA 6.72
PmDE -16.06 E RArad 1.22 E DErad 0.75 E Plx 1.71
E pmRA 1.42 E pmDE 0.75 Hpmag 10.0812 E Hpmag 0.0022
SHp 0.027 VA 0 BV 1.114 E BV 0.218
VI 1.08
CCDM
Ccdm 21023+2037 RComp Comp A Note1
Note2 Discov num DRAs -2.66 DDEs 26.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.2 Sp K0 PmNote *
PmRA 8 PmDE -16 Dm number +20 4809 Cat1 BD
Name2 +20 2366 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 103817
 
 
21023+2037 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210215.35+203726.1 Mag 12.28 Calc delta mag 2.04
Calc coord yes
CCDM
Ccdm 21023+2037 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.65 DDEs 25.9
R dRAs 82 Year 1991 Theta 173 Rho 0.1
Obs 1 Vmag 12.3 Sp PmNote *
PmRA 8 PmDE -16 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 103817