/*
**
**  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)
**
**
**  Upper limits have an error listed as -1.00000.
**
*/
      BinCenter          BinHW           Rate      RateError        FracExp  Mode
   57121.880911       0.000122       52.69859        1.67215        1.00000     0
   57121.881151       0.000119       52.75352        1.68871        1.00000     0
   57121.881394       0.000124       51.38507        1.62288        1.00000     0
   57121.881640       0.000122       52.10230        1.67106        1.00000     0
   57121.881881       0.000119       53.81506        1.71803        1.00000     0
   57121.882124       0.000124       52.62185        1.66658        1.00000     0
   57121.882361       0.000113       56.23492        1.79793        1.00000     0
   57121.882589       0.000116       54.52854        1.75774        1.00000     0
   57121.882824       0.000119       53.02221        1.69660        1.00000     0
   57121.883064       0.000122       52.93778        1.68005        1.00000     0
   57121.883310       0.000124       51.68047        1.63866        1.00000     0
   57121.883553       0.000119       53.06128        1.70264        1.00000     0
   57121.883799       0.000127       49.54483        1.57625        1.00000     0
   57121.884045       0.000119       52.81985        1.69176        1.00000     0
   57121.884282       0.000119       54.13622        1.72366        1.00000     0
   57121.884519       0.000119       54.79316        1.73789        1.00000     0
   57121.884754       0.000116       54.65366        1.74789        1.00000     0
   57121.884994       0.000124       51.31100        1.63028        1.00000     0
   57121.885278       0.000159       53.48227        1.49612        0.99534     0
   57121.935816       0.000159       46.10107        1.48735        0.99742     0
   57121.936105       0.000130       52.61856        1.69002        1.00000     0
   57121.936371       0.000136       52.03474        1.65941        1.00000     0
   57121.936649       0.000142       48.73465        1.59026        1.00000     0
   57121.936933       0.000142       50.66877        1.61706        1.00000     0
   57121.937216       0.000142       50.28009        1.61917        1.00000     0
   57121.937500       0.000142       51.45051        1.65418        1.00000     0
   57121.937789       0.000148       49.90121        1.60036        1.00000     0
   57121.938087       0.000150       48.33632        1.55820        1.00000     0
   57121.938377       0.000139       53.34222        1.70291        1.00000     0
   57121.938660       0.000145       50.52263        1.62299        1.00000     0
   57121.938952       0.000148       49.47084        1.57369        1.00000     0
   57121.939242       0.000142       50.36341        1.63827        1.00000     0
   57121.939525       0.000142       50.50877        1.62510        1.00000     0
   57121.939806       0.000139       53.57237        1.69865        1.00000     0
   57121.940087       0.000142       52.51505        1.68132        1.00000     0
   57121.940370       0.000142       52.84450        1.66997        1.00000     0
   57121.940651       0.000139       53.33181        1.69673        1.00000     0
   57121.940934       0.000145       49.87223        1.60738        1.00000     0
   57121.941221       0.000142       52.33049        1.67322        1.00000     0
   57121.941513       0.000150       49.84386        1.58890        1.00000     0