Detecting extreme mass ratio inspirals with LISA using time-frequency methods

Details Detecting extreme mass ratio inspirals with LISA using time-frequency methods Detecting extreme mass ratio inspirals with LISA using time-frequency methods

2005-02-24

arxiv.org/abs/gr-qc/0502100v1

Class.Quant.Grav. 22 (2005) S445-S452

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, 3 figures, accepted for publication in proceedings of 5th International LISA Symposium

Scientific paper

10.1088/0264-9381/22/10/041

The inspirals of stellar-mass compact objects into supermassive black holes are some of the most important sources for LISA. Detection techniques based on fully coherent matched filtering have been shown to be computationally intractable. We describe an efficient and robust detection method that utilizes the time-frequency evolution of such systems. We show that a typical extreme mass ratio inspiral (EMRI) source could possibly be detected at distances of up to ~2 Gpc, which would mean ~10s of EMRI sources can be detected per year using this technique. We discuss the feasibility of using this method as a first step in a hierarchical search.

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