Statistics – Computation
Scientific paper
Feb 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aps..aprs14008g&link_type=abstract
American Physical Society, APS April Meeting 2010, February 13-16, 2010, abstract #S14.008
Statistics
Computation
Scientific paper
A search for continuous gravitational waves (GWs) from unknown pulsars in binary systems is notorious for its computational challenge. Data analysis techniques for GWs from unknown isolated sources have been in use for a number of years, while all-sky analysis techniques for sources in binaries have only recently begun development. We present a hierarchical binary search method called TwoSpect, which exploits the periodic orbital modulations of the source waves by searching for patterns in doubly-Fourier-transformed data. We will describe recent developments of the TwoSpect search pipeline, including its mitigation of detector noise variations and corrections for Doppler frequency modulation caused by changing detector velocity. Sensitivity estimates based on simulations will be presented. )
Goetz Evan
Riles Keith
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