/* ** ** 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 55543.884388 0.000234 27.33647 0.87747 1.00000 0 55543.884859 0.000237 26.70411 0.86511 1.00000 0 55543.885337 0.000240 26.76946 0.85381 1.00000 0 55543.885817 0.000240 27.71136 0.88989 0.97593 0 55543.886297 0.000240 26.62178 0.85564 1.00000 0 55543.886778 0.000240 27.04978 0.86354 1.00000 0 55543.887261 0.000243 26.44983 0.85005 1.00000 0 55543.887759 0.000255 25.22999 0.81395 1.00000 0 55543.888259 0.000246 26.33520 0.84780 1.00000 0 55543.888745 0.000240 27.20020 0.87124 1.00000 0 55543.889226 0.000240 26.84163 0.85889 1.00000 0 55543.889706 0.000240 27.60055 0.88140 1.00000 0 55543.890186 0.000240 26.74218 0.86177 1.00000 0 55543.890678 0.000252 25.74331 0.82730 1.00000 0 55543.891167 0.000237 27.06906 0.87406 1.00000 0 55543.891650 0.000246 26.53121 0.84193 1.00000 0 55543.892136 0.000240 27.24145 0.87594 1.00000 0 55543.892620 0.000243 26.87140 0.86843 1.00000 0 55543.893106 0.000243 26.70996 0.85588 1.00000 0 55543.893580 0.000231 27.62127 0.89297 1.00000 0 55543.894049 0.000237 27.50161 0.87683 1.00000 0 55543.894524 0.000237 27.50730 0.87679 1.00000 0 55543.895001 0.000240 27.38342 0.87668 1.00000 0 55543.895478 0.000237 28.22023 0.89937 1.00000 0