/*
**
**  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
   55918.575661       0.000367       16.85245        0.53997        1.00000     0
   55918.576419       0.000391       15.92631        0.50997        1.00000     0
   55918.577186       0.000376       16.62752        0.53578        1.00000     0
   55918.577924       0.000362       17.20657        0.55488        1.00000     0
   55918.578653       0.000367       17.07162        0.54405        1.00000     0
   55918.579391       0.000370       16.76374        0.53871        1.00000     0
   55918.580138       0.000376       16.53832        0.52883        1.00000     0
   55918.580887       0.000373       16.66179        0.53660        1.00000     0
   55918.581631       0.000370       16.67900        0.53524        1.00000     0
   55918.582389       0.000388       16.09275        0.51926        0.99254     0
   55918.583153       0.000376       16.43631        0.52683        1.00000     0
   55918.583911       0.000382       16.27125        0.52055        1.00000     0
   55918.584666       0.000373       16.62372        0.53344        1.00000     0
   55918.585398       0.000359       17.21786        0.55291        1.00000     0
   55918.586278       0.000521       17.65547        0.46465        1.00000     0