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Published June 21, 2012 | public
Journal Article

Low-frequency gravitational-wave science with eLISA/NGO

Abstract

We review the expected science performance of the New Gravitational-Wave Observatory (NGO, a.k.a. eLISA), a mission under study by the European Space Agency for launch in the early 2020s. eLISA will survey the low-frequency gravitational-wave sky (from 0.1 mHz to 1 Hz), detecting and characterizing a broad variety of systems and events throughout the Universe, including the coalescences of massive black holes brought together by galaxy mergers; the inspirals of stellar-mass black holes and compact stars into central galactic black holes; several millions of ultra-compact binaries, both detached and mass transferring, in the Galaxy; and possibly unforeseen sources such as the relic gravitational-wave radiation from the early Universe. eLISA's high signal-to-noise measurements will provide new insight into the structure and history of the Universe, and they will test general relativity in its strong-field dynamical regime.

Additional Information

© 2012 Institute of Physics. Received 1 February 2012, in final form 27 March 2012. Published 1 June 2012. This research was supported by the Deutsches Zentrum für Lüft- und Raumfahrt and by the Transregio 7 'Gravitational Wave Astronomy' financed by the Deutsche Forschungsgemeinschaft DFG (German Research Foundation). EB was supported by NSF grant PHY-0900735 and by NSF CAREER grant PHY-1055103. AK was supported by the Swiss National Science Foundation. TL was supported by NASA grant 08-ATFP08-0126. RNL was supported by an appointment to the NASA Postdoctoral Program at the Goddard Space Flight Center, administered by Oak Ridge Associated Universities through a contract with NASA. MV performed this work at the Jet Propulsion Laboratory, California Institute of Technology, under contract with the National Aeronautics and Space Administration.

Additional details

Created:
August 22, 2023
Modified:
October 18, 2023