WDS 08409-1720 : COMPONENTS
 
 
  A
B pa=280.9°
sep=0.30"
 
 
08409-1720 A
 
 
Componente originario normalizzato AB Name HD 74021 Coord arcsec 2000 084054.17-172021.6 Mag 8.55
Spectral class A0V (white) PmRA 0.00 PmDE 9.0 SAO 154540
HIP 42597 Tycho2 6016-02930-1 HD 74021 BD BD-16 2550
Tycho2
Tycho2 6016-02930-1 Pflag RAmdeg 130.22566756 DEmdeg -17.33929097
PmRA -9.7 PmDE 11.6 E RAmdeg 6 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.05 EpDEm 1990.76
Num 11 Q RAmdeg 1.8 Q DEmdeg 1.6 Q pmRA 1.7
Q pmDE 1.5 BTmag 8.158 E BTmag 0.018 VTmag 8.125
E VTmag 0.015 Prox 999 TYC T HIP 42597
CCDM AB RAdeg 130.22569139 DEdeg -17.33931750 EpRA 1990 1.66
EpDE 1990 1.66 E RAdeg 6.2 E DEdeg 7.0 Posflg P
Corr -0.1
SAO
SAO 154540 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.01 Vmag 8.7 SpType A0
Double code Source 21 CatNum 3503 DM BD-16 2550
DMcomp BDsup HD 74021 M HD 0
GC RA1950rad 2.26284584 DE1950rad -0.29950914 PmRA2000 0.0006
PmDE2000 0.014
Hipparcos
Catalog H HIP 42597 Proxy H RAhms 08 40 54.17
DEdms -17 20 21.6 Vmag 8.12 VarFlag R Vmag H
RAdeg 130.226 DEdeg -17.3393 AstroRef A Plx 3.73
CCDM 08409-1720 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 280 Rho 0.312 HD 74021 BD BD-16 2550
CD CP Dm number -16 2550 VIred 0.03
SpType A0V R SpType Coord arcsec 2000 084054.17-172021.6
Hipparcos 2
HIP 42597 Sn 15 So 3 Nc 2
RArad 2.2728675245 DErad -0.3026283057 Plx 3.36 PmRA -11.16
PmDE 7.85 E RArad 0.89 E DErad 0.65 E Plx 1.11
E pmRA 1.18 E pmDE 0.64 Hpmag 8.1358 E Hpmag 0.0015
SHp 0.009 VA 0 BV 0.037 E BV 0.015
VI 0.05
CCDM
Ccdm 08409-1720 RComp Comp A Note1
Note2 Discov num DRAs 0.22 DDEs -21.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp A0 PmNote *
PmRA 3 PmDE 10 Dm number -16 2550 Cat1 BD
Name2 154540 Cat2 SAO HD 74021 M HD
ADS BDS A 6932 M ADS BDS N IDS IDS 08363S1659A
HIC 42597
 
 
08409-1720 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084054.15-172021.5 Mag 9.38 Calc delta mag 0.83
Calc coord yes
CCDM
Ccdm 08409-1720 RComp Comp B Note1
Note2 Discov num A 3065 DRAs DDEs
R dRAs Year 1960 Theta 273 Rho 0.2
Obs 5 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6932 M ADS BDS N IDS IDS 08363S1659B
HIC 42597