Understanding the LIGO GW150914 event
  We present a simplified method for the extraction of meaningful signals from
Hanford and Livingstone 32 seconds data for the GW150914 event made publicly
available by the LIGO collaboration and demonstrate its ability to reproduce
the LIGO collaboration's own results quantitatively given the assumption that
all narrow peaks in the power spectrum are a consequence of physically
uninteresting signals and can be removed. After the clipping of these peaks and
return to the time domain, the GW150914 event is readily distinguished from
broadband background noise. This simple technique allows us to identify the
GW150914 event without any assumption regarding its physical origin and with
minimal assumptions regarding its shape. We also confirm that the LIGO GW150914
event is uniquely correlated in the Hanford and Livingston detectors for 4096
second data at the level of $6-7\,\sigma$ with a temporal displacement of
$\tau=6.9 \pm 0.4\,$ms. We have also identified a few events that are
morphologically close to GW150914 but less strongly cross correlated with it.
