/*
**
**  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
   58249.961532       0.000469       13.57724        0.43447        1.00000     0       12.37863        0.39125       12.26595        0.39250        0.11268        0.03125
   58249.962455       0.000454       13.88455        0.45006        1.00000     0       12.76010        0.40351       12.52756        0.40608        0.23253        0.04560
   58249.963375       0.000466       13.72030        0.44366        1.00000     0       12.45552        0.39368       12.24620        0.39599        0.20931        0.04273
   58249.964333       0.000492       12.94726        0.42106        1.00000     0       11.79611        0.37284       11.54832        0.37557        0.24779        0.04524
   58249.965311       0.000486       13.04741        0.42323        1.00000     0       11.91269        0.37690       11.69538        0.37930        0.21731        0.04262
   58249.966248       0.000451       14.04392        0.45571        1.00000     0       12.84189        0.40610       12.59887        0.40878        0.24303        0.04677
   58249.967180       0.000480       13.27969        0.42903        1.00000     0       12.08035        0.38182       11.88580        0.38397        0.19455        0.04057
   58249.968109       0.000448       14.31696        0.46024        1.00000     0       13.01521        0.41014       12.82498        0.41224        0.19024        0.04151
   58249.969040       0.000483       13.20386        0.42398        1.00000     0       11.99602        0.37935       11.86149        0.38084        0.13453        0.03363
   58249.969998       0.000475       13.46830        0.43433        1.00000     0       12.20324        0.38609       12.03200        0.38799        0.17124        0.03829
   58249.971344       0.000871       13.50751        0.32344        1.00000     0       12.21302        0.28511       11.98444        0.28697        0.22858        0.03265