Balloon at Bamberg
Time-resolved high-resolution spectroscopy
of the bright sdBV Balloon090100001
John Telting et al.,   Bamberg,   July 2007
page 19
-5 -1 +1 +5
  observed radial velocity amplitude = 15 km/s

  model mode: L=2 |M|=0
  model pulsation amplitude = 50 km/s
  model line broadening = 20 km/s
  inclination = 10 degrees