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  Null-stream veto for two co-located detectors: Implementation issues

Ajith, P., Hewitson, M., & Heng, I. S. (2006). Null-stream veto for two co-located detectors: Implementation issues. Classical and Quantum Gravity, 23, S741-S749.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4BE7-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4BE8-9
Genre: Conference Paper

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0604004.pdf (Preprint), 253KB
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 Creators:
Ajith, P.1, 2, 3, Author
Hewitson, Martin2, Author              
Heng, Ik Siong, Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24010              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24011              
3AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24009              

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 Abstract: Time-series data from multiple gravitational wave (GW) detectors can be linearly combined to form a null-stream, in which all GW information will be cancelled out. This null-stream can be used to distinguish between actual GW triggers and spurious noise transients in a search for GW bursts using a network of detectors. The biggest source of error in the null-stream analysis comes from the fact that the detector data are not perfectly calibrated. In this paper, we present an implementation of the null-stream veto in the simplest network of two co-located detectors. The detectors are assumed to have calibration uncertainties and correlated noise components. We estimate the effect of calibration uncertainties in the null-stream veto analysis and propose a new formulation to overcome this. This new formulation is demonstrated by doing software injections in Gaussian noise.

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 Dates: 2006
 Publication Status: Published in print
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 Identifiers: eDoc: 265022
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Title: Gravitational Wave Data Analysis Workshop - GWDAW 10
Place of Event: Brownsville, Texas
Start-/End Date: 2005-12-14 - 2005-12-17

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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 23 Sequence Number: - Start / End Page: S741 - S749 Identifier: -