/*
**
**  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
   56012.228336       0.000347       17.95938        0.57465        1.00000     0
   56012.229007       0.000324       19.47531        0.62284        1.00000     0
   56012.229953       0.000622       18.81027        0.44535        0.99631     0
   56012.288761       0.000304       20.76370        0.66507        0.99781     0
   56012.289375       0.000310       19.98712        0.64374        1.00000     0
   56012.290000       0.000315       20.01291        0.63338        1.00000     0
   56012.290651       0.000336       18.57138        0.59733        1.00000     0
   56012.291296       0.000310       20.36753        0.64788        1.00000     0
   56012.291956       0.000350       17.89626        0.57146        1.00000     0
   56012.292624       0.000318       19.66964        0.63157        1.00000     0
   56012.293272       0.000330       18.90157        0.60489        1.00000     0
   56012.293920       0.000318       19.55500        0.63335        1.00000     0
   56012.294543       0.000304       20.75186        0.66331        1.00000     0
   56012.295309       0.000463       19.71617        0.52086        1.00000     0