Report on an all-sky LIGO search for periodic gravitational waves in the S4 data
Abbott, B; Abbott, Robert; Adhikari, Rana; Ajith, P; Allen, B; Amin, R; Allen, G; Anderson, S B; Arain, M; Anderson, WG; Dickson, James; Gray, Malcolm; Lam, Ping Koy; McClelland, David; McKenzie, Kirk; Mow-Lowry, C; Rabeling, David; Scott, Susan M; Searle, Antony; Slagmolen, Bram; Wette, Karl
We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1000 Hz and having a negative frequency time derivative with magnitude between zero and 10-8 Hz/s. Data from the fourth LIGO science run have been used in this search. Three different semi-coherent methods of summing strain power were applied. Observing no evidence for periodic gravitational radiation, we report upper limits on strain amplitude and interpret these limits to...[Show more]
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