QQ Vir at Shanghai
Time-resolved high-resolution spectroscopy
of the pulsating sdB star   QQ Vir (PG1325+101)
John Telting et al.,   Shanghai,   July 2009
page 08
-5 -1 +1 +5

Time-resolved high-res spectroscopy is feasible for Balloon 090100001

Telting et al. (2008) were able to exclude L≥2 origin for the main mode of the
pulsating sdB Balloon 090100001 from line-profile variations