WDS 17581-4527 : COMPONENTS
 
 
  A
B pa=99.9°
sep=2.78"
 
 
17581-4527 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175805.02-452723.0 Mag 7.8 Spectral class A6III (white)
PmRA -4.00 PmDE -16.0 SAO 228581 HIP 87957
Tycho2 8344-00210-1 HD 163378 GC 24406 CD CD-4512052
CP CP-45 8981
Tycho2
Tycho2 8344-00210-1 Pflag RAmdeg 269.52093029 DEmdeg -45.45642106
PmRA 0.9 PmDE -14.2 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.45 EpDEm 1991.20
Num 12 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 8.148 E BTmag 0.016 VTmag 7.803
E VTmag 0.011 Prox 999 TYC T HIP 87957
CCDM RAdeg 269.52092750 DEdeg -45.45638861 EpRA 1990 1.82
EpDE 1990 1.77 E RAdeg 4.1 E DEdeg 5.2 Posflg
Corr 0.0
SAO
SAO 228581 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.001 Vmag 7.7 SpType A3
Double code Source 70 CatNum 24406 DM CD-4512052
DMcomp BDsup HD 163378 M HD 0
GC 24406 RA1950rad 4.68790772 DE1950rad -0.79327647 PmRA2000 0.0005
PmDE2000 0
Hipparcos
Catalog H HIP 87957 Proxy RAhms 17 58 05.02
DEdms -45 27 23.0 Vmag 7.78 VarFlag R Vmag H
RAdeg 269.521 DEdeg -45.4564 AstroRef Plx 5.3
CCDM 17581-4527 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 163378 BD
CD CD-4512052 CP CP-45 8981 Dm number -4512052 VIred 0.32
SpType A6III R SpType Coord arcsec 2000 175805.02-452723.0
Hipparcos 2
HIP 87957 Sn 5 So 0 Nc 1
RArad 4.7040275484 DErad -0.7933636077 Plx 4.03 PmRA 2.74
PmDE -13.49 E RArad 0.69 E DErad 0.37 E Plx 0.79
E pmRA 0.9 E pmDE 0.39 Hpmag 7.8623 E Hpmag 0.0009
SHp 0.012 VA 0 BV 0.33 E BV 0.011
VI 0.38
CCDM
Ccdm 17581-4527 RComp Comp A Note1
Note2 Discov num DRAs -0.98 DDEs -23.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp A3 PmNote *
PmRA 3 PmDE -12 Dm number -4512052 Cat1 CD
Name2 228581 Cat2 SAO HD 163378 M HD
ADS BDS M ADS BDS N IDS IDS 17507S4527A
HIC 87957
 
 
17581-4527 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175805.28-452723.5 Mag 15.5 Calc delta mag 7.7
Calc coord yes
CCDM
Ccdm 17581-4527 RComp Comp B Note1
Note2 Discov num DON 872 DRAs DDEs
R dRAs Year 1931 Theta 099 Rho 3.6
Obs 3 Vmag 15.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17507S4527B
HIC 87957