The Why & How of X-Ray Timing - HEASARC - NASA
The Why & How of X-Ray Timing - HEASARC - NASA
The Why & How of X-Ray Timing - HEASARC - NASA
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BasicsA light curve (for each source in the FOV) is a good first step• Sampling interval∆t and frequencyf samp = 1/∆t• Nyquist frequency,f Nyq = 1 / 2 f samp ,is the highest signalfrequency that canbe accuratelyrecovered• Basic variability measure,variance: σ 2 = – 2σ ≡ Root Mean Square
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