We investigate the possibility of observing very low frequency (VLF)electromagnetic radiation produced from the vacuum by gravitational waves. Wereview the calculations leading to the possibility of vacuum conversion ofgravitational waves into electromagnetic waves and show how this process evadesthe well-known prohibition against particle production from gravitationalwaves. Using Newman-Penrose scalars, we estimate the luminosity of thisproposed electromagnetic counterpart radiation coming from gravitational wavesproduced by neutron star oscillations. The detection of electromagneticcounterpart radiation would provide an indirect way of observing gravitationalradiation with future spacecraft missions, especially lunar orbiting probes.
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