A data analysis technique for the LIGO-ALLEGRO stochastic background search

Whelan, J.T., Bose, S., Hanson, J., Heng, I.S. , Johnson, W.W., McHugh, M.P. and Zhang, P. (2005) A data analysis technique for the LIGO-ALLEGRO stochastic background search. Classical and Quantum Gravity, 22(18), S1087-S1096. (doi:10.1088/0264-9381/22/18/S23)

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Abstract

We describe the cross-correlation measurements being carried out on data from the LIGO Livingston Observatory and the ALLEGRO resonant bar detector. The LIGO data are sampled at 16 384 Hz while the ALLEGRO data are base-banded, i.e., heterodyned at 899 Hz and then sampled at 250 Hz. We handle these different sampling parameters by working in the Fourier domain, and demonstrate the approximate equivalence of this measurement to a hypothetical time-domain method in which both data streams are upsampled.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Heng, Professor Ik Siong
Authors: Whelan, J.T., Bose, S., Hanson, J., Heng, I.S., Johnson, W.W., McHugh, M.P., and Zhang, P.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Classical and Quantum Gravity
Publisher:Institute of Physics
ISSN:0264-9381
ISSN (Online):1361-6382

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