WDS 01581+3444 : COMPONENTS
 
 
  A B
B pa=187.8°
sep=0.27"
 
C pa=177.3°
sep=0.70"
pa=170.8°
sep=0.44"
 
 
01581+3444 A
 
 
Coord arcsec 2000 015806.24+344354.9 Mag 10.4 Spectral class F8 (yellow-white) PmRA -8.00
PmDE 3.0 Tycho2 2316-01399-1
Tycho2
Tycho2 2316-01399-1 Pflag RAmdeg 29.52602292 DEmdeg 34.73192100
PmRA -15.7 PmDE -4.7 E RAmdeg 22 E DEmdeg 23
E pmRA 1.3 E pmDE 1.3 EpRAm 1985.91 EpDEm 1984.78
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.0 Q pmRA 1.2
Q pmDE 1.1 BTmag 10.737 E BTmag 0.048 VTmag 10.085
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 29.52606222 DEdeg 34.73193500 EpRA 1990 1.78
EpDE 1990 1.80 E RAdeg 25.0 E DEdeg 28.2 Posflg
Corr -0.1
CCDM
Ccdm 01581+3444 RComp Comp A Note1
Note2 Discov num DRAs 0.21 DDEs -3.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp PmNote *
PmRA -16 PmDE 9 Dm number +34 342 Cat1 BD
Name2 +34 189 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 01522N3415A
HIC
 
 
01581+3444 B
 
 
Coord arcsec 2000 015806.24+344354.6 Mag 11.6 Calc delta mag 1.2 Calc coord yes
CCDM
Ccdm 01581+3444 RComp Comp B Note1
Note2 Discov num COU 859 DRAs DDEs
R dRAs Year 1973 Theta 280 Rho 0.3
Obs 1 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 01522N3415B
HIC
 
 
01581+3444 C
 
 
Coord arcsec 2000 015806.24+344354.2 Calc delta mag 10.4 Calc coord yes