/* ** ** 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 57527.613848 0.000292 21.60674 0.68918 1.00000 0 57527.614421 0.000281 22.47078 0.72080 1.00000 0 57527.614977 0.000275 22.62382 0.72593 1.00000 0 57527.615532 0.000281 22.26908 0.71271 1.00000 0 57527.616082 0.000269 23.17326 0.74475 1.00000 0 57527.616629 0.000278 22.31760 0.71995 1.00000 0 57527.617193 0.000286 21.72147 0.69835 1.00000 0 57527.617769 0.000289 21.63072 0.69284 1.00000 0 57527.618350 0.000292 21.74940 0.69315 0.99010 0 57527.618929 0.000286 21.95475 0.70096 1.00000 0 57527.619687 0.000472 22.84155 0.56099 0.99424 0 57527.685000 0.000310 20.14721 0.65106 0.99999 0 57527.685610 0.000301 20.62933 0.67350 1.00000 0 57527.686221 0.000310 20.39447 0.65173 1.00000 0 57527.686852 0.000321 19.36308 0.63216 1.00000 0 57527.687662 0.000489 19.89420 0.51385 1.00000 0