/*
**
**  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)
**
**
**  Upper limits have an error listed as -1.00000.
**
*/
      BinCenter          BinHW           Rate      RateError        FracExp  Mode
   57749.498475       0.000269       23.34614        0.74948        1.00000     0
   57749.499004       0.000260       24.15267        0.78507        1.00000     0
   57749.499543       0.000278       22.78930        0.73536        1.00000     0
   57749.500115       0.000295       21.07343        0.68451        1.00000     0
   57749.500685       0.000275       22.91002        0.73137        1.00000     0
   57749.501247       0.000286       21.99368        0.70670        1.00000     0
   57749.501805       0.000272       23.09304        0.74138        1.00000     0
   57749.502358       0.000281       22.31225        0.71876        1.00000     0
   57749.502911       0.000272       23.12038        0.74346        1.00000     0
   57749.503469       0.000286       21.89861        0.70740        1.00000     0
   57749.504051       0.000295       21.19728        0.68577        1.00000     0
   57749.504632       0.000286       21.70895        0.70286        1.00000     0
   57749.505199       0.000281       22.39243        0.71557        1.00000     0
   57749.505761       0.000281       22.17704        0.71647        1.00000     0
   57749.506305       0.000263       24.03804        0.76418        1.00000     0
   57749.506863       0.000295       21.15409        0.68011        1.00000     0
   57749.507433       0.000275       22.72199        0.73112        1.00000     0
   57749.508018       0.000310       22.50190        0.68831        1.00000     0