LIGO Seminar
I present an updated estimate of the intrinsic (vs observed) core collapse
supernovae (CCSNe) rate within 20 Mpc from Earth, which is roughly the
largest distance of interest for the searches for gravitational waves (GWs)
from CCSNe with laser interferometers. The estimate is based on recognizing
that CCSN galaxy host models are morphologically dependent and take into
account biases such as the obscuration by the galactic plane. The improved
estimation of the CCSNe rate within 20 Mpc is 430 +/- 21 CCSNe
Century^-1Mpc^-1. In order to estimate the benefits of having multiple
CCSNe triggers, I compare the performance of two collective detection
methodologies (Feldman-Cousins and GRB) with the standard single trigger
detection methodology. Illustrative examples of the sensitivity improvement
with respect to the single-event current approaches are provided for rapidly
rotating semi-analytical models of GW emissions and real (publicly released)
LIGO data.
We plan to broadcast these talks using TeamSpeak. Use a sub-channel of
LIGO Lab called "LIGO Seminar", which is not password protected.
NOTE: These and all other scheduled LIGO seminars are listed on the LIGO
Laboratory seminar calendar for convenient reference.