Balloon at Bamberg
Time-resolved high-resolution spectroscopy
of the bright sdBV Balloon090100001

John Telting et al.,   Bamberg,   July 2007
page 10
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New high-res spectroscopy of Balloon

To investigate the line-profile variations of the main mode,
we phase folded the 842 spectra of Aug 3 and Aug 4, onto 12 bins.