/*
**
**  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
   57068.235015       0.000156       39.81234        1.26909        1.00000     0
   57068.235316       0.000145       43.25349        1.37798        1.00000     0
   57068.235605       0.000145       43.10088        1.38249        1.00000     0
   57068.235900       0.000150       41.98947        1.34094        1.00000     0
   57068.236201       0.000150       41.18550        1.32572        1.00000     0
   57068.236502       0.000150       42.02333        1.34100        1.00000     0
   57068.236803       0.000150       41.51479        1.32916        1.00000     0
   57068.237107       0.000153       40.56478        1.30315        1.00000     0
   57068.237414       0.000153       40.85569        1.30621        1.00000     0
   57068.237720       0.000153       40.81667        1.29636        1.00000     0
   57068.238024       0.000150       41.85867        1.32545        1.00000     0
   57068.238322       0.000148       42.23292        1.34806        1.00000     0
   57068.238620       0.000150       41.47298        1.32083        1.00000     0
   57068.238921       0.000150       41.31818        1.32930        1.00000     0
   57068.239219       0.000148       42.20973        1.34996        1.00000     0
   57068.239517       0.000150       41.63115        1.32157        1.00000     0
   57068.239815       0.000148       42.08417        1.34371        1.00000     0
   57068.240113       0.000150       41.41900        1.32370        1.00000     0
   57068.240423       0.000159       39.53154        1.25469        1.00000     0
   57068.240735       0.000153       40.89540        1.29675        1.00000     0
   57068.241036       0.000148       42.34913        1.35205        1.00000     0
   57068.241337       0.000153       41.06115        1.30179        1.00000     0
   57068.241638       0.000148       42.20478        1.34868        1.00000     0
   57068.241942       0.000156       40.63659        1.29249        1.00000     0
   57068.242249       0.000150       41.38974        1.32263        1.00000     0
   57068.242544       0.000145       43.23057        1.37372        1.00000     0
   57068.242877       0.000188       40.96916        1.17983        0.99411     0