/*
**
**  Swift/XRT light curve for Mrk 421.
**
**  Data taken from the automatic processing at http://www.swift.psu.edu/monitoring/
**
**  When using these data and results in publications, please reference M.C. Stroh & A.D. Falcone 2013, ApJS, 207, 28; arXiv: 1305.4949.
**
**  Key:
**
**   BinCenter      - Center of time bin (MJD)
**   BinHW          - One-half of the full time bin size (days)
**   Rate           - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s).
**   RateError      - 1 sigma error in source count rate (cts/s)
**   FracExp        - Conversion factor between bin size and observing time
**   Mode           - 0 if in Windowed Timing (WT)
**                    1 if in Photon Counting (PC)
**
**
**  Upper limits have an error listed as -1.00000.
**
*/
      BinCenter          BinHW           Rate      RateError        FracExp  Mode
   56724.386384       0.000171       37.55513        1.19003        1.00000     0
   56724.386743       0.000188       34.19970        1.09594        1.00000     0
   56724.387122       0.000191       34.19395        1.08617        1.00000     0
   56724.387498       0.000185       35.05556        1.11529        1.00000     0
   56724.387874       0.000191       34.18152        1.07935        1.00000     0
   56724.388253       0.000188       33.97674        1.08241        1.00000     0
   56724.388626       0.000185       34.46249        1.10132        1.00000     0
   56724.388994       0.000182       35.15956        1.12459        1.00000     0
   56724.389364       0.000188       34.13526        1.08384        1.00000     0
   56724.389732       0.000179       35.40427        1.13282        1.00000     0
   56724.390093       0.000182       35.28825        1.12123        1.00000     0
   56724.390449       0.000174       36.48611        1.16817        1.00000     0
   56724.390808       0.000185       34.47327        1.09646        1.00000     0
   56724.391172       0.000179       35.78473        1.14009        1.00000     0
   56724.391540       0.000188       33.90632        1.08268        1.00000     0
   56724.391907       0.000179       36.15546        1.14564        1.00000     0
   56724.392266       0.000179       35.72175        1.13536        1.00000     0
   56724.392622       0.000177       36.02354        1.15007        1.00000     0
   56724.392984       0.000185       34.45825        1.10118        1.00000     0
   56724.393351       0.000182       35.11184        1.12036        1.00000     0
   56724.393710       0.000177       36.49597        1.16311        1.00000     0
   56724.394063       0.000177       36.44102        1.15876        1.00000     0
   56724.394416       0.000177       36.43490        1.15523        1.00000     0
   56724.394786       0.000194       33.01151        1.05334        1.00000     0
   56724.395160       0.000179       35.59432        1.13485        1.00000     0
   56724.395519       0.000179       35.71632        1.13781        1.00000     0
   56724.395880       0.000182       35.21597        1.12387        1.00000     0
   56724.396242       0.000179       35.87204        1.13636        1.00000     0
   56724.396615       0.000194       33.35998        1.05414        1.00000     0
   56724.397003       0.000194       37.19042        1.11671        1.00000     0