/*
**
**  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
   56699.174733       0.000333       36.47479        1.22051        0.99130     0
   56699.175512       0.000446       35.14889        1.14809        1.00000     0
   56699.176388       0.000431       34.80497        1.17486        1.00000     0
   56699.177277       0.000457       33.63253        1.10159        1.00000     0
   56699.178188       0.000454       33.70291        1.10623        1.00000     0
   56699.179079       0.000437       34.61187        1.15008        1.00000     0
   56699.179945       0.000428       35.28230        1.17981        1.00000     0
   56699.180818       0.000446       34.15051        1.12728        1.00000     0
   56699.181718       0.000454       33.33393        1.11131        1.00000     0
   56699.182754       0.000582       34.59734        1.13073        0.76629     0
   56699.183793       0.000457       33.46696        1.11221        0.99367     0
   56699.184730       0.000480       33.19624        1.08068        1.00000     0
   56699.185720       0.000509       31.58885        1.02447        1.00000     0
   56699.186849       0.000619       32.43645        0.94647        1.00000     0