WDS 18254-1631 : COMPONENTS
 
 
  A B C
B pa=11.9°
sep=3.66"
 
C pa=16.9°
sep=15.49"
pa=18.5°
sep=11.85"
 
D pa=349.2°
sep=24.62"
pa=345.3°
sep=21.29"
pa=315.7°
sep=13.08"
 
 
18254-1631 A
 
 
Name HD 169457 Coord arcsec 2000 182522.92-163031.9 Mag 9.8 Spectral class K0III (yellow-orange)
PmRA 15.00 PmDE -11.0 Tycho2 6266-02751-1 HD 169457
Tycho2
Tycho2 6266-02751-1 Pflag RAmdeg 276.34552096 DEmdeg -16.50886935
PmRA 16.8 PmDE -8.6 E RAmdeg 21 E DEmdeg 22
E pmRA 1.6 E pmDE 1.6 EpRAm 1989.46 EpDEm 1989.39
Num 4 Q RAmdeg 2.1 Q DEmdeg 2.8 Q pmRA 2.1
Q pmDE 2.8 BTmag 10.109 E BTmag 0.036 VTmag 9.555
E VTmag 0.032 Prox 999 TYC T HIP
CCDM RAdeg 276.34548056 DEdeg -16.50884917 EpRA 1990 1.64
EpDE 1990 1.66 E RAdeg 21.3 E DEdeg 22.4 Posflg
Corr -0.1
 
 
18254-1631 B
 
 
Coord arcsec 2000 182522.97-163028.3 Mag 10.8 PmRA 36.00 PmDE 40.0
Calc delta mag 1 Calc coord yes
 
 
18254-1631 C
 
 
Coord arcsec 2000 182523.23-163017.1 Mag 12.3 PmRA -14.00 PmDE -5.0
Calc delta mag 2.5 Calc coord yes
 
 
18254-1631 D
 
 
Coord arcsec 2000 182522.60-163007.7 Mag 12.8 PmRA 2.00 PmDE -3.0
Calc delta mag 3 Calc coord yes