Balloon at Bamberg
Time-resolved high-resolution spectroscopy
of the bright sdBV Balloon090100001
John Telting et al.,   Bamberg,   July 2007
page 21
-5 -1 +1 +5
  observed radial velocity amplitude = 15 km/s

  model mode: L=2 |M|=2
  model pulsation amplitude = 60 km/s
  model line broadening = 10 km/s
  inclination = 60 degrees