/*
**
**  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
   53454.097914       0.000012       14.04092        2.86191        0.98651     0       13.69549        2.63570       13.17798        2.68602        0.51751        0.51751
   53454.163189       0.000014       18.78535        3.22166        0.78921     0       17.24617        2.95769       17.24617        2.95769        0.00000        0.00000
   53454.233328       0.000014       12.71234        2.65071        0.78921     0       11.66653        2.43264       11.66653        2.43264        0.00000        0.00000
   53454.300700       0.000014       17.86665        3.19392        0.78921     0       17.24617        2.95769       16.76379        2.99677        0.48238        0.48238
   53454.434034       0.000014       23.86032        3.59708        0.78850     0       22.33872        3.36769       22.33872        3.36769        0.00000        0.00000
   53454.498617       0.000014       16.74711        3.05759        0.78850     0       15.23094        2.78078       15.23094        2.78078        0.00000        0.00000
   53454.704867       0.000014       15.17876        2.86852        0.78850     0       14.21555        2.68649       14.21555        2.68649        0.00000        0.00000
   53454.845828       0.000014       12.52498        2.68821        0.78707     0       11.69817        2.43924       11.43229        2.45369        0.26588        0.26588