/*
**
**  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
   59168.170340       0.000231       37.74664        1.22830        1.00000     0
   59168.170768       0.000197       39.55682        1.26959        1.00000     0
   59168.171202       0.000237       37.35924        1.19585        1.00000     0
   59168.171723       0.000284       33.44804        1.08463        1.00000     0
   59168.172273       0.000266       35.04977        1.13732        1.00000     0
   59168.172805       0.000266       34.88075        1.14080        1.00000     0
   59168.173346       0.000275       33.88499        1.10037        1.00000     0
   59168.173885       0.000263       35.29893        1.14719        1.00000     0
   59168.174405       0.000258       36.37014        1.17010        1.00000     0
   59168.174929       0.000266       35.45427        1.14151        1.00000     0
   59168.175459       0.000263       35.05399        1.14548        1.00000     0
   59168.175965       0.000243       38.61313        1.23899        1.00000     0
   59168.176628       0.000420       34.68204        0.90124        0.99368     0