Optimal Source Tracking and Beaming of LISA

Pai, Archana

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Optimal Source Tracking and Beaming of LISA

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Pai, Archana
Theoretical Gravitational Wave Physics, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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0608138v1.pdf
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2007_124.pdf
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Citation

Pai, A. (2006). Optimal Source Tracking and Beaming of LISA. In S. M. Merkowitz, & J. C. Livas (Eds.), Laser Interferometer Space Antenna: 6th International LISA Symposium (pp. 481-488). American Institute of Physics.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4CC9-7

Abstract

We revisit the directionally optimal data streams of LISA first introduced in Nayak etal. It was shown that by using appropriate choice of Time delay interferometric (TDI) combinations, a monochromatic fixed source in the barycentric frame can be optimally tracked in the LISA frame. In this work, we study the beaming properties of these optimal streams. We show that all the three streams V+, Vx and Vo with maximum, minimum and zero directional SNR respectively are highly beamed. We study in detail the frequency dependence of the beaming.