All-sky incoherent search for periodic signals with Explorer 2005 data

Details All-sky incoherent search for periodic signals with Explorer 2005 data All-sky incoherent search for periodic signals with Explorer 2005 data

2007-08-31

arxiv.org/abs/0708.4367v1

Class.Quant.Grav.25:114028,2008

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, 5 figures

Scientific paper

10.1088/0264-9381/25/11/114028

The data collected during 2005 by the resonant bar Explorer are divided into segments and incoherently summed in order to perform an all-sky search for periodic gravitational wave signals. The parameter space of the search spanned about 40 Hz in frequency, over 23927 positions in the sky. Neither source orbital corrections nor spindown parameters have been included, with the result that the search was sensible to isolated neutron stars with a frequency drift less than 6 X 10^{-11} Hz/s. No gravitational wave candidates have been found by means of the present analysis, which led to a best upper limit of 3.1 X 10^{-23} for the dimensionless strain amplitude.

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