/*
**
**  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
   55284.050349       0.000252       38.73367        1.31235        1.00000     0
   55284.050775       0.000174       43.01886        1.38862        1.00000     0
   55284.051142       0.000194       41.00755        1.33464        1.00000     0
   55284.051556       0.000220       39.15773        1.28784        1.00000     0
   55284.051984       0.000208       42.19638        1.37268        1.00000     0
   55284.052415       0.000223       40.21986        1.31090        1.00000     0
   55284.052852       0.000214       40.24707        1.30244        1.00000     0
   55284.053278       0.000211       41.90099        1.34329        1.00000     0
   55284.053700       0.000211       40.26377        1.29495        1.00000     0
   55284.054123       0.000211       41.70393        1.33743        1.00000     0
   55284.054542       0.000208       41.50730        1.34537        1.00000     0
   55284.054959       0.000208       40.30803        1.31615        1.00000     0
   55284.055373       0.000205       42.79932        1.38090        1.00000     0
   55284.055792       0.000214       40.21275        1.29097        1.00000     0
   55284.056212       0.000205       41.25744        1.33844        1.00000     0
   55284.056620       0.000203       42.45306        1.36931        1.00000     0
   55284.057031       0.000208       40.29507        1.29567        1.00000     0
   55284.057439       0.000200       42.49018        1.37699        1.00000     0
   55284.057835       0.000197       43.83683        1.40072        1.00000     0
   55284.058231       0.000200       43.17435        1.40798        1.00000     0
   55284.058645       0.000214       38.86173        1.27802        1.00000     0
   55284.059053       0.000194       43.61728        1.40857        1.00000     0
   55284.059450       0.000203       42.08960        1.37062        1.00000     0
   55284.059849       0.000197       41.69509        1.34156        1.00000     0
   55284.060242       0.000197       43.46579        1.39127        1.00000     0
   55284.060642       0.000203       40.61913        1.31342        1.00000     0
   55284.061041       0.000197       42.05652        1.35763        1.00000     0
   55284.061507       0.000269       40.69131        1.13570        1.00000     0