WDS 18030-2243 : COMPONENTS
 
 
  A
B pa=289.3°
sep=10.61"
 
 
18030-2243 A
 
 
Componente originario normalizzato AB Name HD 164637 Coord arcsec 2000 180301.71-224306.5 Mag 6.72
Spectral class O (blue) PmRA 2.00 PmDE -2.0 SAO 186169
HIP 88396 Tycho2 6842-00899-1 HD 164637 HR 6727
GC 24558 BD BD-22 4516 CD CD-2212473
Tycho2
Tycho2 6842-00899-1 Pflag RAmdeg 270.75713042 DEmdeg -22.71849589
PmRA 0.0 PmDE -4.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.59 EpDEm 1991.56
Num 16 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 6.634 E BTmag 0.015 VTmag 6.707
E VTmag 0.010 Prox 999 TYC T HIP 88396
CCDM RAdeg 270.75713028 DEdeg -22.71848694 EpRA 1990 1.94
EpDE 1990 1.87 E RAdeg 3.7 E DEdeg 4.4 Posflg
Corr 0.1
SAO
SAO 186169 DelFlag RA1950 PmRA1950 0.0002
DE1950 PmDE1950 0.006 Vmag 6.6 SpType B0
Double code Source 70 CatNum 24558 DM BD-22 4516
DMcomp BDsup HD 164637 M HD 0
GC 24558 RA1950rad 4.7123857 DE1950rad -0.39654307 PmRA2000 0.0002
PmDE2000 0.007
Hipparcos
Catalog H HIP 88396 Proxy RAhms 18 03 01.71
DEdms -22 43 06.6 Vmag 6.73 VarFlag R Vmag H
RAdeg 270.757 DEdeg -22.7185 AstroRef Plx -0.8
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 164637 BD BD-22 4516
CD CD-2212473 CP Dm number -22 4516 VIred -0.03
SpType B0Ib/II R SpType Coord arcsec 2000 180301.71-224306.6
Hipparcos 2
HIP 88396 Sn 5 So 0 Nc 1
RArad 4.7256033981 DErad -0.3965123896 Plx -0.87 PmRA 1.74
PmDE -2.05 E RArad 0.48 E DErad 0.28 E Plx 0.52
E pmRA 0.52 E pmDE 0.3 Hpmag 6.7141 E Hpmag 0.001
SHp 0.007 VA 0 BV -0.056 E BV 0.007
VI -0.03
CCDM
Ccdm 18030-2243 RComp Comp A Note1
Note2 Discov num DRAs 1.68 DDEs -6.9
R dRAs 40 Year Theta Rho
Obs 2 Vmag 6.7 Sp B0 PmNote
PmRA 6 PmDE 7 Dm number -22 4516 Cat1 BD
Name2 186169 Cat2 SAO HD 164637 M HD
ADS BDS M ADS BDS N IDS * IDS 17570S2243A
HIC 88396
 
 
18030-2243 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180300.99-224303.0 Mag 9.16 Calc delta mag 2.44
Calc coord yes
CCDM
Ccdm 18030-2243 RComp Comp B Note1
Note2 Discov num RSU DRAs 0.86 DDEs -3.2
R dRAs 40 Year 1976 Theta 289 Rho 11.8
Obs Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 17570S2243B
HIC