/*
**
**  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
   56317.300646       0.000509       12.70193        0.41205        1.00000     0       11.40530        0.36031       11.19886        0.36325        0.20644        0.04616
   56317.301699       0.000544       11.90071        0.38589        1.00000     0       10.65599        0.33697       10.47239        0.33959        0.18360        0.04212
   56317.302865       0.000622       12.00428        0.36552        0.99337     0       10.76826        0.31782       10.53860        0.32087        0.22966        0.04420
   56317.367990       0.000498       13.13741        0.42616        0.99471     0       11.73261        0.37065       11.51986        0.37369        0.21275        0.04757
   56317.369321       0.000833       12.48802        0.32049        0.99974     0       11.06982        0.27753       10.89283        0.27954        0.17699        0.03345
   56317.434327       0.000162       11.57420        0.71474        0.98615     0        9.97589        0.60157        9.78952        0.60445        0.18638        0.05894
   56317.435044       0.000556       12.42006        0.39809        1.00000     0       10.46529        0.33045       10.34199        0.33144        0.12330        0.02571
   56317.436170       0.000570       11.86470        0.37965        1.00000     0       10.17933        0.32174       10.08007        0.32254        0.09927        0.02277
   56317.437099       0.000359       12.03433        0.48686        1.00000     0       10.32359        0.40839       10.14098        0.41025        0.18261        0.03893