WDS 21397+5815 : COMPONENTS
 
 
  A B
B pa=21.3°
sep=7.06"
 
C pa=152.8°
sep=23.93"
pa=163.3°
sep=29.10"
 
 
21397+5815 A
 
 
Name HD 239731 Coord arcsec 2000 213944.44+581444.0 Mag 9.16 Spectral class B5 (blue-white)
PmRA -2.00 PmDE -6.0 SAO 33643 HIP 106956
Tycho2 3979-01003-1 HD 239731 BD BD+57 2360
Tycho2
Tycho2 3979-01003-1 Pflag RAmdeg 324.93514766 DEmdeg 58.24555748
PmRA -2.1 PmDE -2.2 E RAmdeg 11 E DEmdeg 10
E pmRA 1.4 E pmDE 1.5 EpRAm 1990.53 EpDEm 1990.87
Num 8 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 9.447 E BTmag 0.020 VTmag 9.159
E VTmag 0.018 Prox 81 TYC T HIP 106956
CCDM A RAdeg 324.93515750 DEdeg 58.24556250 EpRA 1990 1.60
EpDE 1990 1.62 E RAdeg 10.5 E DEdeg 10.4 Posflg
Corr 0.1
SAO
SAO 33643 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 0.001 Vmag 8.8 SpType B5
Double code Source 38 CatNum 12415 DM BD+57 2360
DMcomp BDsup HD 239731 M HD 0
GC RA1950rad 5.66451648 DE1950rad 1.0126107 PmRA2000 -0.0006
PmDE2000 -0.003
Hipparcos
Catalog H HIP 106956 Proxy H RAhms 21 39 44.44
DEdms +58 14 44.0 Vmag 9.14 VarFlag R Vmag G
RAdeg 324.935 DEdeg 58.2456 AstroRef A Plx 2.15
CCDM 21397+5815 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 37 Rho 8.128 HD 239731 BD BD+57 2360
CD CP Dm number +57 2360 VIred 0.28
SpType B5 R SpType Coord arcsec 2000 213944.44+581444.0
Hipparcos 2
HIP 106956 Sn 15 So 3 Nc 2
RArad 5.6711883973 DErad 1.016576899 Plx 2.13 PmRA -2.28
PmDE -2.55 E RArad 0.97 E DErad 0.97 E Plx 1.21
E pmRA 1.17 E pmDE 1.23 Hpmag 9.1367 E Hpmag 0.0025
SHp 0.02 VA 0 BV 0.212 E BV 0.4
VI 0.28
CCDM
Ccdm 21397+5815 RComp Comp A Note1
Note2 Discov num DRAs 2.41 DDEs -15.7
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.0 Sp B5 PmNote *
PmRA -11 PmDE 5 Dm number +57 2360 Cat1 BD
Name2 +58 1372 Cat2 AGK2/3 HD 239731 M HD
ADS BDS A15205 M ADS BDS N IDS IDS 21367N5747A
HIC 106956
 
 
21397+5815 B
 
 
Coord arcsec 2000 213944.76+581450.6 Mag 11.98 PmRA -6.00 PmDE -4.0
Calc delta mag 2.82 Calc coord yes
CCDM
Ccdm 21397+5815 RComp Comp B Note1
Note2 Discov num MLB 90 DRAs DDEs
R dRAs Year 1905 Theta 042 Rho 8.5
Obs 2 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15205 M ADS BDS N IDS IDS 21367N5747B
HIC 106956
 
 
21397+5815 C
 
 
Coord arcsec 2000 213945.82+581422.7 Mag 11.34 PmRA 3.00 PmDE -2.0
Tycho2 3979-00832-1 Calc delta mag 2.18 Calc coord yes
Tycho2
Tycho2 3979-00832-1 Pflag RAmdeg 324.94561467 DEmdeg 58.23952079
PmRA -4.4 PmDE -8.2 E RAmdeg 65 E DEmdeg 63
E pmRA 4.9 E pmDE 4.9 EpRAm 1989.50 EpDEm 1989.63
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.730 E BTmag 0.092 VTmag 11.341
E VTmag 0.104 Prox 294 TYC HIP
CCDM RAdeg 324.94563417 DEdeg 58.23953972 EpRA 1990 1.62
EpDE 1990 1.65 E RAdeg 65.5 E DEdeg 63.5 Posflg
Corr 0.0
CCDM
Ccdm 21397+5815 RComp Comp C Note1
Note2 Discov num MLB 90 DRAs DDEs
R dRAs Year 1918 Theta 138 Rho
Obs 1 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15205 M ADS BDS N IDS IDS 21367N5747C
HIC 106956