LAT Light Curve Analysis: Aperture Photometry and ... - Fermi - NASA

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A power spectrum is obtained by calculating the Fourier transform of a time series (e.g. a light curve), <strong>and</strong> then summing the sine <strong>and</strong> cosine amplitudes at each frequency. R. Corbet Power Spectra A periodic signal will give a peak in the power spectrum. COSPAR CBW 2010 24
Power Spectrum of a Note Played R. Corbet Power Frequency on a Flute COSPAR CBW 2010 (Figure from Tasha Vanesian) 25
Page 1 and 2: R. Corbet LAT Light Curve Analysis:
Page 3 and 4: R. Corbet What is Photometry? Phot
Page 5 and 6: R. Corbet LAT Photometry LAT light
Page 7 and 8: LAT Aperture Optimization In optic
Page 9 and 10: Tools Used for Aperture Photometry
Page 11 and 12: Get Photon File Start/Stop Times $
Page 13 and 14: R. Corbet Calculate GTIs (Good Time
Page 15 and 16: Calculate Exposures of Time Bins $
Page 17 and 18: R. Corbet COSPAR CBW 2010 17
Page 19 and 20: R. Corbet barycentering barycenter
Page 21 and 22: R. Corbet Crude Approach to Low-Cou
Page 23: Looking for Binary Orbital Periods
Page 28 and 29: R. Corbet Calculating Power Spectra
Page 30 and 31: • What should be done if data poi
Page 32 and 33: Weighting Can Reveal Orbital Period
Page 34 and 35: How should LAT data be weighted? W
Page 36 and 37: Exposure Weighted Rates vs. Unweigh
Page 38: Results of Looking for Binary Orbit

LAT Light Curve Analysis: Aperture Photometry and ... - Fermi - NASA

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