No comments here
Presentation #335.13 in the session “The Next Decade Of Nanohertz Gravitational-wave Astrophysics with Pulsar-Timing Arrays”.
Gravitational wave (GW) bursts with memory (BWM) searches are computationally expensive because of the large size of the parameter space that needs to be explored. We present a new method in which precomputed likelihoods of single pulsars are combined in a factorized-likelihood approach that dramatically increases the efficiency of this type of GW search. Our technique further benefits from a degeneracy in the parameter space of single pulsar BWM searches, which allows us to combine the GW amplitude, polarization, and sky-location into a single parameter.