/*
**
**  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
   56276.160687       0.000124       11.88798        0.86123        1.00000     0
   56276.161297       0.000486       13.80543        0.45096        1.00000     0
   56276.162287       0.000503       13.75541        0.45140        1.00000     0
   56276.163285       0.000495       14.04109        0.45873        1.00000     0
   56276.164295       0.000515       13.65703        0.44262        1.00000     0
   56276.165313       0.000503       13.83603        0.44664        1.00000     0
   56276.166338       0.000521       13.41033        0.43561        1.00000     0
   56276.167374       0.000515       13.42301        0.43801        1.00000     0
   56276.168421       0.000532       13.21040        0.42397        1.00000     0
   56276.169428       0.000475       14.69928        0.47920        1.00000     0
   56276.170415       0.000512       13.52251        0.44209        1.00000     0
   56276.171558       0.000631       13.92655        0.40032        1.00000     0