/*
**
**  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
   57786.231370       0.000451       14.94924        0.48390        1.00000     0       12.93179        0.40752       12.69595        0.41091        0.23583        0.05273
   57786.232227       0.000405       16.24164        0.53117        0.99286     0       14.41248        0.45576       14.08164        0.46054        0.33084        0.06617
   57786.233074       0.000443       14.78421        0.48693        0.99346     0       13.20620        0.41720       12.83104        0.42261        0.37516        0.06738
   57786.233957       0.000440       14.75752        0.48698        1.00000     0       13.19302        0.41699       12.80576        0.42257        0.38726        0.06846
   57786.234819       0.000422       15.44610        0.50599        1.00000     0       13.74892        0.43434       13.40874        0.43925        0.34018        0.06547
   57786.235644       0.000402       16.49428        0.53029        1.00000     0       14.51337        0.45736       14.31486        0.46022        0.19851        0.05125
   57786.236469       0.000422       15.53096        0.50384        1.00000     0       13.72147        0.43391       13.48209        0.43737        0.23939        0.05492
   57786.237322       0.000431       15.16059        0.49611        1.00000     0       13.49898        0.42602       13.16565        0.43083        0.33333        0.06415
   57786.238170       0.000417       15.68135        0.51105        1.00000     0       13.89814        0.43972       13.61710        0.44378        0.28103        0.05992
   57786.239018       0.000431       15.18823        0.49568        1.00000     0       13.49898        0.42602       13.19034        0.43047        0.30864        0.06173
   57786.239871       0.000422       15.45350        0.50679        1.00000     0       13.79008        0.43499       13.42470        0.44025        0.36538        0.06785
   57786.240979       0.000686       15.53460        0.39405        1.00000     0       13.69368        0.34022       13.49964        0.34243        0.19404        0.03881