/* ** ** 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 58228.986352 0.000150 44.06239 1.40977 1.00000 0 58228.986665 0.000162 43.00051 1.38412 1.00000 0 58228.986995 0.000168 40.33125 1.30572 1.00000 0 58228.987316 0.000153 44.74080 1.43910 1.00000 0 58228.987623 0.000153 43.64982 1.41140 1.00000 0 58228.987926 0.000150 44.74863 1.42671 1.00000 0 58228.988224 0.000148 44.55408 1.43044 1.00000 0 58228.988522 0.000150 44.50238 1.42929 1.00000 0 58228.988829 0.000156 42.44464 1.35659 1.00000 0 58228.989139 0.000153 43.93525 1.40869 1.00000 0 58228.989445 0.000153 44.32313 1.43197 1.00000 0 58228.989755 0.000156 42.24230 1.36800 1.00000 0 58228.990059 0.000148 45.60771 1.46592 1.00000 0 58228.990360 0.000153 43.21565 1.40593 1.00000 0 58228.990664 0.000150 44.79702 1.42825 1.00000 0 58228.990967 0.000153 43.49529 1.40705 1.00000 0 58228.991274 0.000153 43.30008 1.39642 1.00000 0 58228.991569 0.000142 47.08226 1.50715 1.00000 0 58228.991870 0.000159 41.20731 1.33905 1.00000 0 58228.992177 0.000148 45.70420 1.46500 1.00000 0 58228.992478 0.000153 44.09965 1.42476 1.00000 0 58228.992790 0.000159 41.26295 1.33335 1.00000 0 58228.993109 0.000159 41.08333 1.33644 1.00000 0 58228.993427 0.000159 41.75827 1.34882 1.00000 0 58228.993739 0.000153 43.25931 1.38093 1.00000 0 58228.994043 0.000150 44.62723 1.43106 1.00000 0 58228.994347 0.000153 43.48837 1.38584 1.00000 0 58228.994651 0.000150 43.80762 1.40461 1.00000 0 58228.994952 0.000150 45.22461 1.43841 1.00000 0 58228.995261 0.000159 41.31462 1.33146 1.00000 0 58228.995577 0.000156 42.61573 1.36243 1.00000 0 58228.995889 0.000156 42.91913 1.36904 1.00000 0 58228.996202 0.000156 42.57060 1.36637 1.00000 0 58228.996509 0.000150 44.58298 1.41942 1.00000 0 58228.996827 0.000168 38.99977 1.26426 1.00000 0 58228.997151 0.000156 42.29388 1.36061 1.00000 0 58228.997461 0.000153 43.55093 1.39097 1.00000 0 58228.997773 0.000159 41.98862 1.33590 1.00000 0 58228.998088 0.000156 42.61050 1.36035 1.00000 0 58228.998412 0.000168 41.90308 1.30353 1.00000 0