/*
**
**  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
   57931.600883       0.000226       27.90789        0.89240        1.00000     0
   57931.601343       0.000234       27.25972        0.86237        1.00000     0
   57931.601820       0.000243       25.56078        0.82410        1.00000     0
   57931.602301       0.000237       26.46060        0.84178        1.00000     0
   57931.602755       0.000217       28.77839        0.91595        1.00000     0
   57931.603206       0.000234       26.51799        0.84550        1.00000     0
   57931.603661       0.000220       28.03343        0.90350        1.00000     0
   57931.604101       0.000220       27.98906        0.90046        1.00000     0
   57931.604549       0.000229       26.94669        0.87025        1.00000     0
   57931.605000       0.000223       28.02313        0.89509        1.00000     0
   57931.605449       0.000226       27.33410        0.88117        1.00000     0
   57931.605909       0.000234       26.15126        0.84742        1.00000     0
   57931.606366       0.000223       27.80234        0.89685        1.00000     0
   57931.606829       0.000240       25.72933        0.83027        1.00000     0
   57931.607298       0.000229       27.06850        0.86860        1.00000     0
   57931.607755       0.000229       27.26890        0.87309        1.00000     0
   57931.608209       0.000226       27.61118        0.88472        1.00000     0
   57931.608664       0.000229       27.29843        0.86862        1.00000     0
   57931.609118       0.000226       27.50795        0.87819        1.00000     0
   57931.609566       0.000223       27.94345        0.89004        1.00000     0
   57931.610009       0.000220       28.67731        0.90981        1.00000     0
   57931.610455       0.000226       27.30587        0.88072        1.00000     0
   57931.610903       0.000223       27.98265        0.89153        1.00000     0
   57931.611343       0.000217       28.39283        0.91298        1.00000     0
   57931.611786       0.000226       27.31712        0.88311        1.00000     0
   57931.612237       0.000226       28.21325        0.89326        1.00000     0
   57931.612827       0.000365       28.49584        0.70565        1.00000     0