/*
**
**  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
   57751.239885       0.000292       21.44459        0.68643        1.00000     0
   57751.240446       0.000269       23.45242        0.74466        1.00000     0
   57751.240990       0.000275       22.75595        0.72773        1.00000     0
   57751.241560       0.000295       21.17269        0.68043        1.00000     0
   57751.242122       0.000266       23.64977        0.75509        1.00000     0
   57751.242654       0.000266       23.54982        0.75549        1.00000     0
   57751.243198       0.000278       22.57226        0.72547        1.00000     0
   57751.243768       0.000292       21.33126        0.68664        1.00000     0
   57751.244332       0.000272       23.35416        0.74458        1.00000     0
   57751.244879       0.000275       23.30652        0.73865        0.99713     0
   57751.308273       0.000278       22.51239        0.72205        0.99997     0
   57751.308820       0.000269       23.06186        0.73596        1.00000     0
   57751.309358       0.000269       23.10135        0.73872        1.00000     0
   57751.309914       0.000286       21.74030        0.69550        1.00000     0
   57751.310658       0.000457       23.17714        0.56746        0.99376     0