GW SIG Seminar, 29 June 2026
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GW SIG Seminar, 29…
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GW SIG Seminar
Gravitational Wave Science Interest Group
GW SIG about GW SIG Seminar
Location
Virtual
Dates
29 June 2026
1:00pm ET
Community
GW SIG
Type
Seminar
Laser Interferometer Lunar Antenna: a Sub-Hertz GW Detector on the Moon
Speaker
Volker Quetschke, University of Texas Rio Grande Valley
Abstract
The moon offers unique opportunities and challenges to realize interferometric gravitational wave detectors that are sensitive over a range of frequencies that are currently not covered. Compared with Earth-based detectors, the moon’s reduced gravity and lower seismic activity allow us to shift the sensitivity to lower frequencies.
An update on the Laser Interferometer Lunar Antenna (LILA) project—-a next generation gravitational-wave detector on the surface of the Moon—-will be presented. The LILA detector will have unique access to sub-Hertz frequencies of gravitational waves. This frequency range of waves cannot be measured by any ongoing or upcoming experiment on the Earth or in space, thus fundamentally changing the landscape of multi-messenger astrophysics that otherwise cannot be achieved. LILA will provide early warnings prior to mergers of black holes and neutron stars. Measurements in the deci-Hertz regime can vastly improve measurements of the Hubble constant, the equation of state of neutron stars, and tests of General Relativity. Furthermore, LILA will uniquely observe phenomena like white dwarf mergers as Type Ia supernovae progenitors, tidal disruption around intermediate mass black holes, and novel dark matter probes.
A preliminary design for the LILA project and the planned future development stages will be shown: the LILA Autonomous Interferometry Technology Demonstration (LILA-AITD), the Initial LILA (iLILA) strainmeter and the full, operational LILA Observatory.
Seminar Connection
TBA
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