/*
**
**  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
   56428.150860       0.000480       13.11881        0.42150        1.00000     0
   56428.151832       0.000492       12.78443        0.40970        1.00000     0
   56428.152819       0.000495       12.55014        0.40691        1.00000     0
   56428.153817       0.000503       12.35572        0.39920        1.00000     0
   56428.154946       0.000625       12.70384        0.36373        0.99851     0
   56428.215556       0.000489       12.93504        0.41453        0.99532     0
   56428.216537       0.000492       12.75779        0.40949        0.99412     0
   56428.217541       0.000512       12.12384        0.39115        1.00000     0
   56428.218542       0.000489       12.80508        0.41469        1.00000     0
   56428.219555       0.000524       11.79872        0.38248        0.99448     0
   56428.220565       0.000486       12.81864        0.41118        1.00000     0
   56428.221615       0.000564       12.43615        0.37625        1.00000     0