/*
**
**  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
   57056.056268       0.000194       32.88293        1.05248        1.00000     0
   57056.056664       0.000203       31.11476        0.99466        1.00000     0
   57056.057081       0.000214       29.82795        0.95200        1.00000     0
   57056.057506       0.000211       30.02269        0.95789        1.00000     0
   57056.057917       0.000200       31.40432        1.00505        1.00000     0
   57056.058325       0.000208       30.22360        0.96922        1.00000     0
   57056.058739       0.000205       30.41610        0.98262        1.00000     0
   57056.059153       0.000208       30.25795        0.96826        1.00000     0
   57056.059569       0.000208       30.49327        0.97025        1.00000     0
   57056.059983       0.000205       30.67105        0.97908        1.00000     0
   57056.060406       0.000217       29.05030        0.93187        1.00000     0
   57056.060825       0.000203       30.91311        0.99602        1.00000     0
   57056.061412       0.000385       29.69554        0.70557        0.99598     0