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Observing extreme-mass-ratio inspirals with eLISA/NGO

2012/10/30 by J. R. Gair, Jonathan R Gair, E. K. Porter +3
Physics and Astronomy · #Adaptive optics and wavefront sensing #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Pulsars and Gravitational Waves Research #Radio Astronomy Observations and Technology #gr-qc

paper · pdf · doi:10.48550/arxiv.1210.8066

6 pages, 1 figure, to appear in proceedings of ninth LISA Symposium

arxiv created 2012/10/30 · openalex publication_date 2012/10/30 · arxiv updated 2012/10/31 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The extreme-mass-ratio inspirals (EMRIs) of stellar mass compact objects into massive black holes in the centres of galaxies are an important source of low-frequency gravitational waves for space-based detectors. We discuss the prospects for detecting these sources with the evolved Laser Interferometer Space Antenna (eLISA), recently proposed as an ESA mission candidate under the name NGO. We show that NGO could observe a few tens of EMRIs over its two year mission lifetime at redshifts z < 0.5 and describe how the event rate changes under possible alternative specifications of the eLISA design.

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