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

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R. Corbet Filter the Photon File $ gtselect zmax=105 emin=100 emax=200000 infile=“L090923112502E0D2F37E71_PH00.fits" outfile=temp2_1DAY_3C454.3.fits ra=343.490616 dec=16.148211 rad=1 tmin=26697 6000. tmax=275369897. evclsmin=3 evclsmax=10 Parameters specify: - Energy range (100 to 200,000 MeV) - Source coordinates - 1 degree radius aperture - start <strong>and</strong> stop times previously determined (N.B. If you're going to barycenter then the min <strong>and</strong> max times should instead be slightly greater/less than the times in the spacecraft file.) - evclsmin = 3 for DIFFUSE class (for simulated data use 0) Writes to file: temp2_1DAY_3C454.3 COSPAR CBW 2010 12
R. Corbet Calculate GTIs (Good Time Intervals) $ gtmktime scfile="L090923112502E0D2F37E71_SC00.fits" filter="(DATA_QUAL==1) && (angsep(RA_ZENITH,DEC_ZENITH,343.490616,16.148211)+1
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: Get Photon File Start/Stop Times $
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 and 24: Looking for Binary Orbital Periods
Page 25: Power Spectrum of a Note Played R.
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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