WDS 18028+7547 : COMPONENTS
 
 
  A B
B pa=249.1°
sep=5.60"
 
C pa=300.1°
sep=6.43"
pa=356.4°
sep=5.23"
 
 
18028+7547 A
 
 
Name HD 166655 Coord arcsec 2000 180250.94+754724.3 Mag 7.03 Spectral class A0V (white)
PmRA -12.00 PmDE 41.0 SAO 8999 HIP 88379
Tycho2 4570-02411-1 HD 166655 GC 24685 ADS 11072
BD BD+75 655
Tycho2
Tycho2 4570-02411-1 Pflag RAmdeg 270.71217860 DEmdeg 75.79019784
PmRA -5.3 PmDE 43.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.58 EpDEm 1991.60
Num 8 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.6
Q pmDE 1.2 BTmag 7.120 E BTmag 0.015 VTmag 7.030
E VTmag 0.010 Prox 57 TYC T HIP 88379
CCDM A RAdeg 270.71222778 DEdeg 75.79009889 EpRA 1990 1.75
EpDE 1990 1.73 E RAdeg 4.0 E DEdeg 4.0 Posflg
Corr -0.1
SAO
SAO 8999 DelFlag RA1950 PmRA1950 -0.0039
DE1950 PmDE1950 0.041 Vmag 6.8 SpType A0
Double code Source 70 CatNum 24685 DM BD+75 655
DMcomp BDsup HD 166655 M HD 0
GC 24685 RA1950rad 4.73281675 DE1950rad 1.32269889 PmRA2000 -0.0025
PmDE2000 0.041
Hipparcos
Catalog H HIP 88379 Proxy H RAhms 18 02 50.94
DEdms +75 47 24.3 Vmag 6.95 VarFlag 1 R Vmag H
RAdeg 270.712 DEdeg 75.7901 AstroRef A Plx 7.43
CCDM 18028+7547 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 247 Rho 5.7 HD 166655 BD BD+75 655
CD CP Dm number +75 655 VIred 0.57
SpType A0 R SpType Coord arcsec 2000 180250.94+754724.3
Hipparcos 2
HIP 88379 Sn 15 So 3 Nc 2
RArad 4.7248198115 DErad 1.3227866626 Plx 7.09 PmRA -11.56
PmDE 41.4 E RArad 0.42 E DErad 0.43 E Plx 0.45
E pmRA 0.47 E pmDE 0.58 Hpmag 6.9914 E Hpmag 0.0021
SHp 0.016 VA 2 BV 0.123 E BV 0.008
VI 0.14
CCDM
Ccdm 18028+7547 RComp Comp A Note1
Note2 Discov num DRAs 3.27 DDEs 25.1
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.9 Sp A0 PmNote *
PmRA 13 PmDE 52 Dm number +75 655 Cat1 BD
Name2 +75 747 Cat2 AGK2/3 HD 166655 M HD
ADS BDS A11072 M ADS BDS N IDS IDS 18065N7547A
HIC 88379
 
 
18028+7547 B
 
 
Coord arcsec 2000 180249.52+754722.3 Coord calc 180249.52+754722.3 Mag 9.97 PmRA -12.00
PmDE 41.0 Calc delta mag 2.94
CCDM
Ccdm 18028+7547 RComp Comp B Note1
Note2 Discov num STF2302 DRAs DDEs
R dRAs Year 1984 Theta 247 Rho 5.7
Obs 12 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11072 M ADS BDS N IDS IDS 18065N7547B
HIC 88379
 
 
18028+7547 C
 
 
Coord arcsec 2000 180249.43+754727.5 Mag 9.66 PmRA -9.00 PmDE 40.0
Calc delta mag 2.63 Calc coord yes
CCDM
Ccdm 18028+7547 RComp Comp C Note1
Note2 Discov num STF2302 DRAs -3.10 DDEs 27.8
R dRAs 10 Year 1984 Theta 274 Rho 22.9
Obs 12 Vmag 9.4 Sp PmNote *
PmRA -4 PmDE 42 Dm number Cat1
Name2 +75 746 Cat2 AGK2/3 HD M HD
ADS BDS A11072 M ADS BDS N IDS IDS 18065N7547C
HIC