/*
**
**  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
   56649.539662       0.000379       16.75932        0.53805        1.00000     0
   56649.540397       0.000356       17.80251        0.57300        1.00000     0
   56649.541135       0.000382       16.84574        0.53723        1.00000     0
   56649.541890       0.000373       16.70553        0.54436        1.00000     0
   56649.542622       0.000359       17.33199        0.56757        1.00000     0
   56649.543348       0.000367       17.27936        0.56073        1.00000     0
   56649.544101       0.000385       16.29210        0.52655        1.00000     0
   56649.544882       0.000396       15.85201        0.51093        1.00000     0
   56649.545649       0.000370       16.83342        0.54807        1.00000     0
   56649.546404       0.000385       16.31133        0.52645        1.00000     0
   56649.547179       0.000391       16.10255        0.52083        1.00000     0
   56649.547958       0.000388       16.17800        0.52607        1.00000     0
   56649.548753       0.000408       15.49408        0.49868        1.00000     0
   56649.549919       0.000758       15.03496        0.36147        1.00000     0