WDS 18310+0123 : COMPONENTS
 
 
  A B
B pa=148.4°
sep=2.39"
 
C pa=237.9°
sep=37.29"
pa=241.6°
sep=37.35"
 
 
18310+0123 A
 
 
Name HD 170739 Coord arcsec 2000 183058.45+012330.8 Mag 9.04 Spectral class B8 (blue-white)
PmRA -3.00 PmDE 1.0 SAO 123590 HIP 90748
Tycho2 0446-00152-1 HD 170739 GC 25277 BD BD+01 3698
Tycho2
Tycho2 0446-00152-1 Pflag RAmdeg 277.74353984 DEmdeg 1.39188690
PmRA -3.4 PmDE 1.4 E RAmdeg 15 E DEmdeg 15
E pmRA 1.6 E pmDE 1.6 EpRAm 1990.70 EpDEm 1990.55
Num 3 Q RAmdeg 0.7 Q DEmdeg 0.4 Q pmRA 0.7
Q pmDE 0.4 BTmag 9.434 E BTmag 0.026 VTmag 9.044
E VTmag 0.025 Prox 24 TYC T HIP 90748
CCDM A RAdeg 277.74354750 DEdeg 1.39188389 EpRA 1990 1.82
EpDE 1990 1.69 E RAdeg 14.6 E DEdeg 15.2 Posflg D
Corr 0.0
SAO
SAO 123590 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.013 Vmag 7.8 SpType B8
Double code Source 70 CatNum 25277 DM BD+01 3698
DMcomp BDsup HD 170739 M HD 0
GC 25277 RA1950rad 4.83647255 DE1950rad 0.02365994 PmRA2000 0.0003
PmDE2000 -0.013
Hipparcos
Catalog H HIP 90748 Proxy H RAhms 18 30 58.45
DEdms +01 23 30.8 Vmag 8.41 VarFlag R Vmag H
RAdeg 277.744 DEdeg 1.39189 AstroRef A Plx 1.16
CCDM 18310+0123 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 148 Rho 2.408 HD 170739 BD BD+01 3698
CD CP Dm number +01 3698 VIred 0.98
SpType B8 R SpType Coord arcsec 2000 183058.45+012330.8
Hipparcos 2
HIP 90748 Sn 15 So 3 Nc 2
RArad 4.847539267 DErad 0.024292982 Plx -0.38 PmRA 6.42
PmDE -7.07 E RArad 2.21 E DErad 1.94 E Plx 2.13
E pmRA 2.54 E pmDE 2.56 Hpmag 8.4986 E Hpmag 0.0034
SHp 0.015 VA 0 BV 0.413 E BV 0.027
VI 0.48
CCDM
Ccdm 18310+0123 RComp Comp A Note1
Note2 Discov num DRAs -1.53 DDEs 30.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.4 Sp B8 PmNote *
PmRA -4 PmDE 3 Dm number +01 3698 Cat1 BD
Name2 +01 2139 Cat2 AGK2/3 HD 170739 M HD
ADS BDS A11410 M ADS BDS N IDS IDS 18259N0119A
HIC 90748
 
 
18310+0123 B
 
 
Coord arcsec 2000 183058.53+012328.8 Mag 9.37 Calc delta mag 0.33 Calc coord yes
CCDM
Ccdm 18310+0123 RComp Comp B Note1
Note2 Discov num STF2324 DRAs DDEs
R dRAs Year 1829 Theta 146 Rho 2.4
Obs 16 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11410 M ADS BDS N IDS IDS 18259N0119B
HIC 90748
 
 
18310+0123 C
 
 
Coord arcsec 2000 183056.34+012311.0 Mag 12.6 Calc delta mag 3.56 Calc coord yes
CCDM
Ccdm 18310+0123 RComp Comp C Note1
Note2 Discov num FOX DRAs DDEs
R dRAs Year 1923 Theta 238 Rho 33.0
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11410 M ADS BDS N IDS IDS 18259N0119C
HIC