/* ** ** 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 56358.318581 0.000347 27.04682 0.91498 1.00000 0 56358.319201 0.000272 27.76647 0.89622 1.00000 0 56358.319753 0.000281 27.61431 0.89982 1.00000 0 56358.320332 0.000298 26.56053 0.85242 1.00000 0 56358.320911 0.000281 28.13059 0.91325 1.00000 0 56358.321472 0.000281 27.96060 0.90481 1.00000 0 56358.322059 0.000307 25.37391 0.81682 1.00000 0 56358.322650 0.000284 27.73894 0.90089 1.00000 0 56358.323202 0.000269 29.16722 0.94080 1.00000 0 56358.323735 0.000263 29.69741 0.96349 1.00000 0 56358.324499 0.000501 28.45023 0.68023 0.99916 0