Coordinated observations of a ~45 g earthgrazing fireball localize thermospheric shock generation to volatile-enhanced hydrodynamic shielding that enables continuum-like flow and detectable infrasound.
The Astronomical Journal 159, 191,10.3847/1538-3881/ab8002
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A new three-point inverse solution using the α-β model reconstructs meteoroid masses and bulk densities from limited fireball observations, achieving 88% convergence on the EN catalog and producing a continuous density range of 300-4000 kg m^{-3} instead of discrete PE categories.
citing papers explorer
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Shock wave formation in the thermosphere by an earthgrazing fireball: Empirical evidence for volatile-enhanced hydrodynamic shielding
Coordinated observations of a ~45 g earthgrazing fireball localize thermospheric shock generation to volatile-enhanced hydrodynamic shielding that enables continuum-like flow and detectable infrasound.
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Consistency between dynamical modeling and photometrically derived masses of fireballs
A new three-point inverse solution using the α-β model reconstructs meteoroid masses and bulk densities from limited fireball observations, achieving 88% convergence on the EN catalog and producing a continuous density range of 300-4000 kg m^{-3} instead of discrete PE categories.