WDS 17187+0157 : COMPONENTS
 
 
  A B
B pa=138.7°
sep=13.18"
 
Bb pa=136.4°
sep=13.25"
pa=55.0°
sep=0.53"
 
 
17187+0157 A
 
 
Coord arcsec 2000 171835.15+015653.1 Mag 14.1 Spectral class DA3 (white dwarf) PmRA -436.00
PmDE -285.0
 
 
17187+0157 B
 
 
Coord arcsec 2000 171835.73+015643.2 Coord calc 171835.71+015643.3 Mag 14 Mag composta 14.2
Spectral class M4 (red) PmRA -448.00 PmDE -283.0 Calc delta mag 0.1
 
 
17187+0157 Bb
 
 
Coord arcsec 2000 171835.76+015643.5 Mag 15.1 Calc delta mag 1 Calc coord yes