LISA Science Results in the Presence of Data Disturbances

Details LISA Science Results in the Presence of Data Disturbances LISA Science Results in the Presence of Data Disturbances

2004-03-04

arxiv.org/abs/gr-qc/0403023v1

Class.Quant.Grav. 21 (2004) 3419-3432

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

10.1088/0264-9381/21/14/007

Each spacecraft in the Laser Interferometer Space Antenna houses a proof mass which follows a geodesic through spacetime. Disturbances which change the proof mass position, momentum, and/or acceleration will appear in the LISA data stream as additive quadratic functions. These data disturbances inhibit signal extraction and must be removed. In this paper we discuss the identification and fitting of monochromatic signals in the data set in the presence of data disturbances. We also present a preliminary analysis of the extent of science result limitations with respect to the frequency of data disturbances.

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