/*
**
**  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
   56763.721295       0.000341       18.29846        0.59470        1.00000     0       16.97743        0.53687       16.65746        0.54139        0.31997        0.06982
   56763.721992       0.000356       17.45213        0.56589        1.00000     0       16.31986        0.51556       16.02751        0.51969        0.29235        0.06537
   56763.722701       0.000353       17.57714        0.57009        1.00000     0       16.40437        0.51901       16.12436        0.52297        0.28001        0.06424
   56763.723413       0.000359       17.43292        0.56305        1.00000     0       16.26903        0.51268       15.99354        0.51656        0.27549        0.06320
   56763.724116       0.000344       18.20242        0.58683        1.00000     0       16.96944        0.53449       16.69748        0.53832        0.27196        0.06410
   56763.724816       0.000356       17.65314        0.56603        1.00000     0       16.38501        0.51659       16.19498        0.51927        0.19003        0.05270
   56763.725496       0.000324       19.27341        0.62038        1.00000     0       17.90482        0.56592       17.68008        0.56910        0.22474        0.06006
   56763.726156       0.000336       18.56222        0.60078        1.00000     0       17.32195        0.54695       17.02746        0.55111        0.29449        0.06756
   56763.726859       0.000367       16.98374        0.54826        1.00000     0       15.82162        0.49957       15.58096        0.50297        0.24067        0.05837
   56763.727568       0.000341       18.39895        0.58901        1.00000     0       17.04534        0.53795       16.87773        0.54031        0.16760        0.05053
   56763.728242       0.000333       18.85252        0.60653        1.00000     0       17.54226        0.55280       17.29211        0.55633        0.25015        0.06254
   56763.728917       0.000341       18.29832        0.59085        1.00000     0       17.06231        0.53821       16.78805        0.54208        0.27426        0.06464
   56763.729599       0.000341       18.52269        0.58947        1.00000     0       17.11324        0.53902       16.99135        0.54074        0.12189        0.04310
   56763.730282       0.000341       18.31877        0.58719        1.00000     0       16.96045        0.53660       16.80808        0.53876        0.15237        0.04818
   56763.730974       0.000350       17.83397        0.57314        1.00000     0       16.53994        0.52330       16.36163        0.52583        0.17831        0.05147
   56763.731645       0.000321       19.47906        0.62537        1.00000     0       18.06612        0.57102       17.87175        0.57377        0.19437        0.05611
   56763.732302       0.000336       18.65373        0.59856        1.00000     0       17.30468        0.54668       17.11869        0.54931        0.18599        0.05369
   56763.732979       0.000341       18.33780        0.59289        1.00000     0       17.14720        0.53955       16.82723        0.54405        0.31997        0.06982
   56763.733671       0.000350       18.20974        0.58374        1.00000     0       17.03664        0.53110       16.70974        0.53565        0.32690        0.06969