A first-principles perturbative framework is developed to constrain the Moon's elastic parameters and density structure from seismic responses to calibrated gravitational waves, claiming an order-of-magnitude error reduction.
The lunar gravitational-wave antenna: Mission studies and science case
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Axial tidal Love numbers for black holes in anisotropic fluid environments are derived analytically and numerically, with non-compact support density profiles producing logarithmic terms that obstruct standard tidal matching due to the lack of a strictly vacuum exterior.
Optimal placement of two stations in an isotropic Gaussian seismic field reduces equivalent seismic noise ASD by a factor of ~2.3 at 0.3 Hz versus a single station, producing oscillatory features from Bessel-function correlations.
No three-body encounter signatures detected in GW170817, GW190814, and GW230627_015337, constraining intermediate-mass black holes above 100 solar masses within roughly 0.1 AU of these binaries.
Proposes APTA with 6 satellites and 10^{-18} relative clock uncertainty at 1s averaging to achieve sensitivity for observing 10^3-10^4 solar-mass black hole mergers in the decihertz band.
Lunar GW observatories can deliver weeks-to-months early warnings, 0.01 deg² localizations, and ~100 well-localized BNS events per year for GW170817-like sources, with multi-band networks yielding 0.1% mass-ratio and 1% distance precision.
CIGO and TCIGO lunar detectors achieve superior sky localization for 0.1-10 Hz gravitational waves compared to TianQin and LISA when noise mitigation succeeds, with TCIGO offering five-fold improvement.
LGWA could observe more than one third of known binary black hole events, detect ~90 mergers per year, and measure chirp mass better than third-generation detectors for massive systems.
A multi-parameter formalism is developed to describe asymmetric binaries in general matter distributions by perturbing around Schwarzschild and reducing metric and fluid perturbations to wave equations similar to the vacuum case.
citing papers explorer
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Gravitational-wave Tomography of the Moon: Constraining Lunar Structure with Calibrated Gravitational Waves
A first-principles perturbative framework is developed to constrain the Moon's elastic parameters and density structure from seismic responses to calibrated gravitational waves, claiming an order-of-magnitude error reduction.
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Axial tidal Love numbers of black holes in matter environments
Axial tidal Love numbers for black holes in anisotropic fluid environments are derived analytically and numerically, with non-compact support density profiles producing logarithmic terms that obstruct standard tidal matching due to the lack of a strictly vacuum exterior.
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Seismic background mitigation with the Lunar Gravitational-wave Antenna
Optimal placement of two stations in an isotropic Gaussian seismic field reduces equivalent seismic noise ASD by a factor of ~2.3 at 0.3 Hz versus a single station, producing oscillatory features from Bessel-function correlations.
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How lonely are the Binary Compact Objects Detected by the LIGO-Virgo-KAGRA Collaboration?
No three-body encounter signatures detected in GW170817, GW190814, and GW230627_015337, constraining intermediate-mass black holes above 100 solar masses within roughly 0.1 AU of these binaries.
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Artificial Precision Timing Array: bridging the decihertz gravitational-wave sensitivity gap with clock satellites
Proposes APTA with 6 satellites and 10^{-18} relative clock uncertainty at 1s averaging to achieve sensitivity for observing 10^3-10^4 solar-mass black hole mergers in the decihertz band.
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Binary Neutron Stars from the Moon: Early Warnings and Precision Science for the Artemis Era
Lunar GW observatories can deliver weeks-to-months early warnings, 0.01 deg² localizations, and ~100 well-localized BNS events per year for GW170817-like sources, with multi-band networks yielding 0.1% mass-ratio and 1% distance precision.
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The new generation lunar gravitational wave detectors: sky map resolution and joint analysis
CIGO and TCIGO lunar detectors achieve superior sky localization for 0.1-10 Hz gravitational waves compared to TianQin and LISA when noise mitigation succeeds, with TCIGO offering five-fold improvement.
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Gravitational-wave parameter estimation to the Moon and back: massive binaries and the case of GW231123
LGWA could observe more than one third of known binary black hole events, detect ~90 mergers per year, and measure chirp mass better than third-generation detectors for massive systems.
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A multi-parameter expansion for the evolution of asymmetric binaries in astrophysical environments
A multi-parameter formalism is developed to describe asymmetric binaries in general matter distributions by perturbing around Schwarzschild and reducing metric and fluid perturbations to wave equations similar to the vacuum case.