/*
**
**  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
   59291.917857       0.000394       19.40157        0.63896        1.00000     0       14.73040        0.46582       14.37957        0.47087        0.35083        0.06880
   59291.918658       0.000408       20.35806        0.66018        1.00000     0       14.20804        0.44930       13.97378        0.45268        0.23427        0.05522
   59291.919503       0.000437       20.00920        0.65665        0.98675     0       13.44520        0.42517       13.11266        0.42996        0.33254        0.06400
   59291.920348       0.000408       21.11366        0.69642        1.00000     0       14.19384        0.44907       13.79037        0.45488        0.40346        0.07246
   59291.921190       0.000434       19.67350        0.63684        1.00000     0       13.40898        0.42318       13.17654        0.42653        0.23245        0.05333
   59291.922046       0.000422       19.94931        0.65776        1.00000     0       13.72147        0.43391       13.33182        0.43952        0.38965        0.06998
   59291.922888       0.000420       20.34582        0.66141        1.00000     0       13.82992        0.43712       13.56414        0.44095        0.26577        0.05800
   59291.923725       0.000417       20.54541        0.66806        1.00000     0       13.95378        0.44060       13.67342        0.44463        0.28036        0.05977
   59291.924905       0.000764       20.04462        0.48475        0.99498     0       13.58313        0.32186       13.39450        0.32390        0.18863        0.03630