Input Files

• If style=`pipeline':
  1. OGIP-compliant GTI file, such as those produced by hkselect.
  2. FITS event list file, containing exposure extension(s), such as that produced by evlistcomb.

• If style=`generic':
  1. OGIP-compliant GTI file, such as those produced by hkselect.
  2. OGIP-compliant time series, such as those produced by evselect.