/*
**
**  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
   56779.448436       0.000295       24.65549        0.80238        1.00000     0       19.67980        0.62171       19.30279        0.62713        0.37701        0.08227
   56779.449041       0.000310       24.15987        0.78279        1.00000     0       18.81635        0.59354       18.47407        0.59846        0.34228        0.07654
   56779.449649       0.000298       24.62192        0.78473        1.00000     0       19.66378        0.61843       19.48600        0.62098        0.17779        0.05622
   56779.450251       0.000304       24.13046        0.77930        1.00000     0       19.19384        0.60515       18.87992        0.60966        0.31392        0.07399
   56779.450861       0.000307       23.79985        0.77067        1.00000     0       19.05056        0.60004       18.68778        0.60524        0.36278        0.07917
   56779.451454       0.000286       25.79205        0.82531        1.00000     0       20.29639        0.64087       20.11143        0.64353        0.18497        0.05849
   56779.452053       0.000312       23.51498        0.75694        1.00000     0       18.67923        0.58863       18.40794        0.59253        0.27129        0.06782
   56779.452664       0.000298       24.66282        0.79352        1.00000     0       19.50818        0.61598       19.25928        0.61956        0.24890        0.06652
   56779.453257       0.000295       25.04120        0.80408        1.00000     0       19.81729        0.62388       19.54799        0.62774        0.26929        0.06953
   56779.453836       0.000284       25.91198        0.82981        1.00000     0       20.42173        0.64612       20.25356        0.64854        0.16817        0.05606
   56779.454423       0.000304       24.15055        0.77659        1.00000     0       19.25108        0.60605       18.97204        0.61005        0.27904        0.06976
   56779.455135       0.000408       24.78183        0.67611        0.99870     0       19.86018        0.53155       19.60010        0.53472        0.26008        0.05816