WDS 20051-6304 : COMPONENTS
 
 
  A
B pa=229.3°
sep=0.74"
 
 
20051-6304 A
 
 
Componente originario normalizzato AB Name HD 189721 Coord arcsec 2000 200508.77-630341.7 Mag 7.73
Spectral class A3V (white) PmRA 13.00 PmDE -37.0 SAO 254722
HIP 98919 Tycho2 9090-01312-1 HD 189721 GC 27795
CP CP-63 4561
Tycho2
Tycho2 9090-01312-1 Pflag P RAmdeg 301.28654968 DEmdeg -63.06159142
PmRA 13.1 PmDE -36.7 E RAmdeg 5 E DEmdeg 5
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.59 EpDEm 1991.58
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.0 Q pmRA 1.7
Q pmDE 1.1 BTmag 7.848 E BTmag 0.015 VTmag 7.732
E VTmag 0.011 Prox 13 TYC T HIP 98919
CCDM A RAdeg 301.28664639 DEdeg -63.06147833 EpRA 1990 1.74
EpDE 1990 1.73 E RAdeg 4.5 E DEdeg 4.6 Posflg D
Corr 0.0
SAO
SAO 254722 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.008 Vmag 7.3 SpType A2
Double code Source 70 CatNum 27795 DM CP-63 4561
DMcomp BDsup HD 189721 M HD 0
GC 27795 RA1950rad 5.23899795 DE1950rad -1.10310023 PmRA2000 -0.0015
PmDE2000 -0.01
Hipparcos
Catalog H HIP 98919 Proxy H RAhms 20 05 08.80
DEdms -63 03 41.3 Vmag 7.28 VarFlag R Vmag H
RAdeg 301.287 DEdeg -63.0615 AstroRef A Plx 5.59
CCDM 20051-6304 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 249 Rho 1.286 HD 189721 BD
CD CP CP-63 4561 Dm number -63 4561 VIred 0.13
SpType A3V R SpType Coord arcsec 2000 200508.80-630341.3
Hipparcos 2
HIP 98919 Sn 15 So 3 Nc 2
RArad 5.2584440334 DErad -1.1006303676 Plx 6.53 PmRA 6.26
PmDE -39.21 E RArad 0.61 E DErad 0.64 E Plx 0.97
E pmRA 0.7 E pmDE 0.72 Hpmag 7.3292 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0 E BV 0.495
VI 0.13
CCDM
Ccdm 20051-6304 RComp Comp A Note1
Note2 Discov num DRAs 2.50 DDEs 21.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp A2 PmNote *
PmRA -3 PmDE -8 Dm number -63 4561 Cat1 CPD
Name2 254722 Cat2 SAO HD 189721 M HD
ADS BDS M ADS BDS N IDS IDS 19562S6320A
HIC 98919
 
 
20051-6304 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200508.69-630342.2 Mag 8.44 PmRA 13.00
PmDE -37.0 Tycho2 9090-01312-2 Calc delta mag 0.71 Calc coord yes
Tycho2
Tycho2 9090-01312-2 Pflag P RAmdeg 301.28654968 DEmdeg -63.06159142
PmRA 13.1 PmDE -36.7 E RAmdeg 5 E DEmdeg 5
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.59 EpDEm 1991.58
Num 7 Q RAmdeg 1.6 Q DEmdeg 1.0 Q pmRA 1.7
Q pmDE 1.1 BTmag 8.728 E BTmag 0.017 VTmag 8.444
E VTmag 0.013 Prox 13 TYC HIP 98919
CCDM B RAdeg 301.28591806 DEdeg -63.06160833 EpRA 1990 1.74
EpDE 1990 1.71 E RAdeg 6.2 E DEdeg 6.6 Posflg D
Corr 0.0
CCDM
Ccdm 20051-6304 RComp Comp B Note1
Note2 Discov num HJ 5163 DRAs DDEs
R dRAs Year 1872 Theta 249 Rho 1.5
Obs 8 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19562S6320B
HIC 98919