/* ** ** 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 55238.061416 0.000194 33.46117 1.07446 1.00000 0 55238.061818 0.000208 30.80042 0.98734 1.00000 0 55238.062220 0.000194 33.14476 1.05883 1.00000 0 55238.062608 0.000194 32.85474 1.05700 1.00000 0 55238.062996 0.000194 32.43126 1.05391 1.00000 0 55238.063392 0.000203 31.34701 1.00841 1.00000 0 55238.063789 0.000194 32.80721 1.05741 1.00000 0 55238.064182 0.000200 32.31957 1.03858 1.00000 0 55238.064587 0.000205 31.10588 1.00144 1.00000 0 55238.064987 0.000194 32.76240 1.05824 1.00000 0 55238.065377 0.000197 32.08209 1.03867 1.00000 0 55238.065774 0.000200 31.97323 1.03007 1.00000 0 55238.066173 0.000200 31.73966 1.02377 1.00000 0 55238.066578 0.000205 30.91390 0.99772 1.00000 0 55238.066971 0.000188 33.79403 1.08746 1.00000 0 55238.067365 0.000205 30.91677 0.99700 1.00000 0 55238.067759 0.000188 33.72119 1.08446 1.00000 0 55238.068138 0.000191 33.24683 1.07040 1.00000 0 55238.068531 0.000203 31.66068 1.01328 1.00000 0 55238.068939 0.000205 30.96809 0.99682 1.00000 0 55238.069333 0.000188 33.87045 1.09144 1.00000 0 55238.069717 0.000197 32.52200 1.04022 1.00000 0 55238.070096 0.000182 35.03302 1.12168 1.00000 0 55238.070481 0.000203 31.40872 1.00935 1.00000 0 55238.070869 0.000185 34.61090 1.10230 1.00000 0 55238.071251 0.000197 32.41084 1.03486 1.00000 0 55238.071645 0.000197 32.69895 1.03760 1.00000 0 55238.072035 0.000194 32.84352 1.05406 1.00000 0 55238.072420 0.000191 33.36004 1.06571 1.00000 0 55238.072811 0.000200 32.21494 1.02860 1.00000 0 55238.073198 0.000188 33.89638 1.08906 1.00000 0 55238.073589 0.000203 31.69642 1.01472 1.00000 0 55238.074040 0.000249 33.38492 0.93990 1.00000 0