/*
**
**  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)
**   RawRate                  - Raw source count rate (cts/s)
**   RawError                 - 1 sigma error in the raw count rate (cts/s)
**   NetRate                  - Background subtracted count rate (cts/s)
**   NetError                 - 1 sigma error in the background subtracted count rate (cts/s)
**   BackRate                 - Background count rate (cts/s)
**   BackError                - 1 sigma error in the background count rate (cts/s)
**
**
**  Upper limits have an error listed as -1.00000.
**
*/
      BinCenter          BinHW           Rate      RateError        FracExp  Mode        RawRate       RawError        NetRate       NetError       BackRate      BackError
   57485.893166       0.000411       25.04441        0.81531        1.00000     0       14.15027        0.44680       13.85548        0.45101        0.29479        0.06147
   57485.893964       0.000388       24.80714        0.79621        1.00000     0       15.05486        0.47442       14.86471        0.47713        0.19015        0.05082
   57485.894731       0.000379       24.83403        0.80441        1.00000     0       15.29258        0.48359       15.04251        0.48717        0.25008        0.05894
   57485.895831       0.000720       25.22383        0.59681        0.99771     0       15.17645        0.34983       14.90538        0.35266        0.27106        0.04456
   57485.942162       0.000286       24.12696        0.78758        0.99547     0       20.36829        0.64346       19.91421        0.64984        0.45407        0.09081
   57485.942723       0.000275       24.50220        0.79522        1.00000     0       21.08767        0.66685       20.71083        0.67215        0.37684        0.08426
   57485.943278       0.000281       24.46319        0.79109        1.00000     0       20.69418        0.65375       20.36201        0.65843        0.33216        0.07829
   57485.943843       0.000284       24.31745        0.78698        1.00000     0       20.50345        0.64741       20.15641        0.65228        0.34704        0.07962
   57485.944413       0.000286       24.09203        0.77372        1.00000     0       20.29635        0.64087       20.06130        0.64417        0.23505        0.06519
   57485.945255       0.000556       24.95483        0.57082        0.99653     0       20.91973        0.46801       20.60165        0.47118        0.31808        0.05455