/*
**
**  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)
**   RawRate                  - Raw source count rate (cts/s)
**   RawError                 - 1 sigma error in the raw count rate (cts/s)
**   NetRate                  - Background subtracted count rate (cts/s)
**   NetError                 - 1 sigma error in the background subtracted count rate (cts/s)
**   BackRate                 - Background count rate (cts/s)
**   BackError                - 1 sigma error in the background count rate (cts/s)
**
**
**  Upper limits have an error listed as -1.00000.
**
*/
      BinCenter          BinHW           Rate      RateError        FracExp  Mode        RawRate       RawError        NetRate       NetError       BackRate      BackError
   55649.215205       0.000321       19.61806        0.62632        1.00000     0       18.17441        0.57272       18.01189        0.57503        0.16252        0.05139
   55649.215825       0.000298       20.99487        0.67219        1.00000     0       19.62491        0.61782       19.39723        0.62104        0.22768        0.06315
   55649.216432       0.000310       20.14207        0.64825        1.00000     0       18.89127        0.59472       18.60466        0.59877        0.28661        0.06951
   55649.217054       0.000312       19.81492        0.64005        1.00000     0       18.58650        0.58717       18.30255        0.59119        0.28395        0.06887
   55649.217694       0.000327       18.85529        0.61402        1.00000     0       17.79955        0.56175       17.41641        0.56717        0.38314        0.07821
   55649.218345       0.000324       19.26315        0.61964        1.00000     0       18.06580        0.56846       17.79198        0.57232        0.27381        0.06641
   55649.218993       0.000324       19.11040        0.61826        1.00000     0       17.95848        0.56676       17.65245        0.57110        0.30602        0.07021
   55649.219638       0.000321       19.22622        0.62348        1.00000     0       18.08417        0.57130       17.75913        0.57590        0.32503        0.07268
   55649.220289       0.000330       18.87003        0.60650        1.00000     0       17.64341        0.55682       17.42188        0.55996        0.22153        0.05921
   55649.220935       0.000315       19.92226        0.63821        1.00000     0       18.52626        0.58352       18.31111        0.58657        0.21515        0.05967
   55649.221568       0.000318       19.48358        0.62620        1.00000     0       18.19393        0.57563       17.99714        0.57843        0.19679        0.05681
   55649.222199       0.000312       20.07445        0.64424        1.00000     0       18.67925        0.58863       18.44541        0.59194        0.23384        0.06250
   55649.222824       0.000312       20.15786        0.64672        1.00000     0       18.54941        0.58658       18.36567        0.58919        0.18373        0.05540
   55649.223478       0.000341       18.56220        0.59279        1.00000     0       17.04533        0.53795       16.90774        0.53990        0.13759        0.04586
   55649.224149       0.000330       18.93268        0.60631        1.00000     0       17.67856        0.55738       17.48867        0.56006        0.18989        0.05482
   55649.224803       0.000324       19.36481        0.61808        1.00000     0       18.06580        0.56846       17.88862        0.57096        0.17717        0.05342
   55649.225446       0.000318       19.59554        0.63817        1.00000     0       18.28499        0.57707       17.89141        0.58263        0.39358        0.08034
   55649.226073       0.000310       21.66227        0.67310        1.00000     0       20.16442        0.61444       19.89467        0.61813        0.26975        0.06744