WDS 20406+2156 : COMPONENTS
 
 
  A
B pa=238.5°
sep=0.23"
 
 
20406+2156 A
 
 
Componente originario normalizzato AB Name HD 197075 Coord arcsec 2000 204035.78+215537.4 Mag 7.87
Spectral class B9.5IV (blue-white) PmRA 14.00 PmDE -10.0 SAO 88991
HIP 102031 Tycho2 1646-00084-1 HD 197075 BD BD+21 4318
Tycho2
Tycho2 1646-00084-1 Pflag RAmdeg 310.14909202 DEmdeg 21.92703532
PmRA 10.6 PmDE -4.7 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.47 EpDEm 1991.15
Num 10 Q RAmdeg 0.5 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.7 BTmag 7.309 E BTmag 0.015 VTmag 7.351
E VTmag 0.011 Prox 999 TYC T HIP 102031
CCDM AB RAdeg 310.14906556 DEdeg 21.92704667 EpRA 1990 1.65
EpDE 1990 1.49 E RAdeg 4.0 E DEdeg 4.7 Posflg P
Corr 0.1
SAO
SAO 88991 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.003 Vmag 7.6 SpType B9
Double code Source 35 CatNum 7856 DM BD+21 4318
DMcomp BDsup HD 197075 M HD 0
GC RA1950rad 5.40342809 DE1950rad 0.3795848 PmRA2000 -0.0004
PmDE2000 -0.006
Hipparcos
Catalog H HIP 102031 Proxy H RAhms 20 40 35.78
DEdms +21 55 37.4 Vmag 7.36 VarFlag R Vmag H
RAdeg 310.149 DEdeg 21.927 AstroRef * Plx 3.48
CCDM 20406+2156 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 250 Rho 0.24 HD 197075 BD BD+21 4318
CD CP Dm number +21 4318 VIred 0
SpType B9 R SpType Coord arcsec 2000 204035.78+215537.4
Hipparcos 2
HIP 102031 Sn 55 So 3 Nc 2
RArad 5.4131223985 DErad 0.3826991588 Plx 2.51 PmRA 9.31
PmDE -5.29 E RArad 0.6 E DErad 0.38 E Plx 0.67
E pmRA 0.65 E pmDE 0.39 Hpmag 7.3522 E Hpmag 0.0012
SHp 0.009 VA 0 BV -0.046 E BV 0.008
VI -0.02
CCDM
Ccdm 20406+2156 RComp Comp A Note1
Note2 Discov num DRAs -0.21 DDEs -23.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp B9 PmNote *
PmRA 19 PmDE -7 Dm number +21 4318 Cat1 BD
Name2 +21 2247 Cat2 AGK2/3 HD 197075 M HD
ADS BDS A14148 M ADS BDS N IDS IDS 20362N2134A
HIC 102031
 
 
20406+2156 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204035.77+215537.3 Mag 8.41 Spectral class V
Calc delta mag 0.54 Calc coord yes
CCDM
Ccdm 20406+2156 RComp Comp B Note1
Note2 Discov num A 2795 DRAs DDEs
R dRAs Year 1958 Theta 295 Rho 0.1
Obs 6 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14148 M ADS BDS N N IDS IDS 20362N2134B
HIC 102031