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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Questions that timing analysis should address• Does the X-ray intensityvary with time?• Any correlated changes in spectralproperties or emissions at otherwavelengths?• On what timescales?– Periodic or aperiodic?What frequency?– <strong>How</strong> coherent? (Qvalue)• Amplitude <strong>of</strong> variability– (Fractional) RMS?• Any variation with time<strong>of</strong> these parameters?