/*
**
**  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
   54196.281611       0.000356       17.55204        0.56510        1.00000     0
   54196.282303       0.000336       18.87278        0.60391        1.00000     0
   54196.283000       0.000362       17.37763        0.56092        1.00000     0
   54196.283706       0.000344       17.99990        0.58060        1.00000     0
   54196.284398       0.000347       17.83157        0.57640        1.00000     0
   54196.285092       0.000347       18.13853        0.58208        1.00000     0
   54196.285781       0.000341       18.31910        0.59050        1.00000     0
   54196.286470       0.000347       17.98795        0.57827        1.00000     0
   54196.287176       0.000359       17.46614        0.55718        1.00000     0
   54196.287882       0.000347       18.19073        0.58476        1.00000     0
   54196.288593       0.000365       17.02029        0.55078        1.00000     0
   54196.289302       0.000344       18.15712        0.58260        1.00000     0
   54196.289994       0.000347       18.04387        0.58021        1.00000     0
   54196.290697       0.000356       17.48061        0.56177        1.00000     0
   54196.291400       0.000347       17.99111        0.57514        1.00000     0
   54196.292100       0.000353       17.60544        0.56974        1.00000     0
   54196.293113       0.000660       17.70744        0.41651        0.99729     0
   54196.348269       0.000347       17.87456        0.57562        0.99669     0
   54196.348975       0.000359       17.38667        0.56004        1.00000     0
   54196.349658       0.000324       19.11723        0.61265        1.00000     0
   54196.350327       0.000344       18.06885        0.57759        1.00000     0
   54196.351036       0.000365       16.89611        0.54790        1.00000     0
   54196.351756       0.000356       17.71694        0.56694        1.00000     0
   54196.352462       0.000350       17.64350        0.56599        1.00000     0
   54196.353177       0.000365       17.06082        0.54489        1.00000     0
   54196.353886       0.000344       18.04496        0.57935        1.00000     0
   54196.354595       0.000365       17.12793        0.54546        1.00000     0
   54196.355301       0.000341       18.16423        0.58359        1.00000     0
   54196.356007       0.000365       16.93132        0.54524        1.00000     0
   54196.356718       0.000347       17.92569        0.57645        1.00000     0
   54196.357398       0.000333       18.65226        0.59532        1.00000     0
   54196.358374       0.000642       17.92575        0.41970        1.00000     0