/*
**
**  Swift/XRT light curve for B2 1520+31.
**
**  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
   54782.828099       0.142001        0.01098        0.00162        0.23373     1
   54945.687436       0.138965        0.01097        0.00224        0.12926     1
   54945.990307       0.102056        0.02729       -1.00000        0.04346     1
   54946.758753       0.138471        0.00959        0.00210        0.12972     1
   54946.962153       0.001714        0.04801       -1.00000        0.97779     1
   55524.942091       0.047832        0.01012        0.00185        0.53382     1
   55528.527846       0.075620        0.00980        0.00200        0.27055     1
   55528.685113       0.033597        0.01527        0.00312        0.39261     1