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Re: [vsnet-chat 6130] Re: U Gem flickering > What these results tell me is the U Gem's standard deviation is greater than > the fainter 145 star, which would imply a greater variation in the star's > magnitude than would be normally associated with random fluctuations. Maybe > I did observe some flicker in U Gem last night. Yes, these figures likely indicate that the recorded variations were not from random noises (statistical photon noise). In addition to a single measure of standard deviations, you may want to get a power spectrum (Fourier power versus frequency, both in log scale), which will more clearly illustrate the presence of time-scale dependent variation. Regards, Taichi Kato
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