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Irregular time series in astronomy and the use of the Lomb-Scargle periodogram

Andreani, P.; Vio, R.; Diaz-Trigo, M.

Detection of a signal hidden by noise within a time series is an important problem in many astronomical searches, i.e. for light curves containing the contributions of periodic/semi-periodic components due to rotating objects and all other astrophysical time-dependent phenomena. One of the most popular tools for use in such studies is the periodog…