/* ** ** 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 58813.238862 0.000223 27.70019 0.89106 1.00000 0 58813.239316 0.000231 26.72276 0.85804 1.00000 0 58813.239773 0.000226 28.00677 0.89790 1.00000 0 58813.240228 0.000229 28.12642 0.89686 1.00000 0 58813.240679 0.000223 28.26825 0.90236 1.00000 0 58813.241128 0.000226 27.34576 0.87895 1.00000 0 58813.241576 0.000223 28.32323 0.90792 1.00000 0 58813.242019 0.000220 28.64247 0.91403 1.00000 0 58813.242461 0.000223 28.48037 0.91114 1.00000 0 58813.242913 0.000229 27.76756 0.89199 1.00000 0 58813.243356 0.000214 29.70239 0.95214 1.00000 0 58813.243790 0.000220 28.48520 0.90730 1.00000 0 58813.244229 0.000220 28.82730 0.92651 1.00000 0 58813.244663 0.000214 29.17552 0.93436 1.00000 0 58813.245100 0.000223 27.79432 0.89484 1.00000 0 58813.245531 0.000208 30.04861 0.96044 1.00000 0 58813.246122 0.000382 27.72357 0.68873 0.99463 0