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Needles in haystacks: how to use contemporaneous data in the search for low-frequency modes of oscillation of the Sun

Chaplin, W. J.; Elsworth, Y.; Appourchaux, T. +1 more

We show how to take advantage of contemporaneous data from two different instruments in the search for low-frequency modes of oscillation of the Sun. Contemporaneous data allow searches to be made for prominent, sharp concentrations of power which are coincident in frequency. Crucial to determining objective measures of the joint probability of th…