/*
**
**  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
   56653.145537       0.000289       22.55973        0.72599        1.00000     0
   56653.146110       0.000284       22.77244        0.73176        1.00000     0
   56653.146686       0.000292       22.27247        0.71546        1.00000     0
   56653.147282       0.000304       21.00051        0.67741        1.00000     0
   56653.147875       0.000289       22.20989        0.71847        1.00000     0
   56653.148442       0.000278       23.14592        0.74011        1.00000     0
   56653.149026       0.000307       20.93299        0.67659        1.00000     0
   56653.149634       0.000301       21.37959        0.68485        1.00000     0
   56653.150224       0.000289       22.34803        0.71824        1.00000     0
   56653.150806       0.000292       21.89853        0.70806        1.00000     0
   56653.151390       0.000292       22.00465        0.70505        1.00000     0
   56653.151978       0.000295       21.52242        0.69623        1.00000     0
   56653.152565       0.000292       22.02294        0.71216        1.00000     0
   56653.153132       0.000275       23.11854        0.74729        1.00000     0
   56653.153700       0.000292       22.39645        0.71656        1.00000     0
   56653.154301       0.000310       20.96165        0.67449        1.00000     0
   56653.154903       0.000292       21.89657        0.70880        1.00000     0
   56653.155482       0.000286       22.54784        0.72728        1.00000     0
   56653.156046       0.000278       23.23254        0.74082        1.00000     0
   56653.156625       0.000301       21.88391        0.69780        1.00000     0