/*
**
**  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
   57438.218745       0.000425       15.34121        0.49389        1.00000     0       13.65538        0.43139       13.47981        0.43393        0.17556        0.04692
   57438.219630       0.000460       14.05615        0.45422        1.00000     0       12.66258        0.39943       12.45389        0.40245        0.20869        0.04919
   57438.220533       0.000443       14.62659        0.47343        1.00000     0       13.18534        0.41551       12.94437        0.41898        0.24097        0.05388
   57438.221430       0.000454       14.24207        0.46231        0.99363     0       12.82904        0.40589       12.60452        0.40915        0.22452        0.05151
   57438.222336       0.000451       14.28613        0.46453        1.00000     0       12.91894        0.40731       12.64715        0.41124        0.27179        0.05667
   57438.223250       0.000463       13.96727        0.45233        1.00000     0       12.59596        0.39713       12.36553        0.40046        0.23043        0.05153
   57438.224173       0.000460       14.18155        0.45743        0.99371     0       12.75541        0.40216       12.55706        0.40502        0.19834        0.04811
   57438.225096       0.000463       14.06041        0.45286        0.99375     0       12.61218        0.39863       12.44987        0.40099        0.16231        0.04338
   57438.226309       0.000749       14.82084        0.36476        0.99823     0       13.30434        0.32108       13.12609        0.32305        0.17825        0.03565