/*
**
**  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
   59336.254534       0.000391       16.80869        0.54428        1.00000     0       14.92854        0.47067       14.67579        0.47423        0.25275        0.05798
   59336.255301       0.000376       17.10268        0.55250        1.00000     0       15.44107        0.48780       15.20623        0.49112        0.23484        0.05696
   59336.256042       0.000365       18.00820        0.57483        1.00000     0       15.89946        0.50279       15.79970        0.50420        0.09977        0.03771
   59336.256771       0.000365       17.59603        0.56638        1.00000     0       15.91536        0.50304       15.71583        0.50586        0.19954        0.05333
   59336.257520       0.000385       16.84007        0.54278        1.00000     0       15.07771        0.47656       14.87518        0.47942        0.20254        0.05229
   59336.258290       0.000385       17.00944        0.54496        1.00000     0       15.21328        0.47870       15.02424        0.48136        0.18903        0.05052
   59336.259045       0.000370       17.40859        0.55672        1.00000     0       15.66669        0.49518       15.54042        0.49696        0.12627        0.04209
   59336.259803       0.000388       16.58992        0.54302        1.00000     0       14.93529        0.47253       14.58685        0.47745        0.34844        0.06834
   59336.260558       0.000367       17.62870        0.57221        1.00000     0       15.77427        0.49883       15.49146        0.50282        0.28281        0.06324
   59336.261354       0.000428       17.36589        0.52756        0.99428     0       15.41090        0.45804       15.17903        0.46112        0.23187        0.05319