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The Lunar Gravitational-wave Antenna: mission studies and science case
Journal article   Open access   Peer reviewed

The Lunar Gravitational-wave Antenna: mission studies and science case

Parameswaran Ajith, Pau Amaro Seoane, Manuel Arca Sedda, Riccardo Arcodia, Francesca Badaracco, Biswajit Banerjee, Enis Belgacem, Giovanni Benetti, Stefano Benetti, Alexey Bobrick, …
Journal of cosmology and astroparticle physics, Vol.2025(1), 108
01/01/2025

Abstract

gravitational wave detectors gravitational waves / sources
The Lunar Gravitational-wave Antenna (LGWA) is a proposed array of next-generation inertial sensors to monitor the response of the Moon to gravitational waves (GWs). Given the size of the Moon and the expected noise produced by the lunar seismic background, the LGWA would be able to observe GWs from about 1 mHz to 1 Hz. This would make the LGWA the missing link between space-borne detectors like LISA with peak sensitivities around a few millihertz and proposed future terrestrial detectors like Einstein Telescope or Cosmic Explorer. In this article, we provide a first comprehensive analysis of the LGWA science case including its multi-messenger aspects and lunar science with LGWA data. We also describe the scientific analyses of the Moon required to plan the LGWA mission.
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