/* ** ** 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 57422.134021 0.000414 9.32088 0.69117 0.94406 0 57422.134866 0.000431 9.04968 0.66795 0.94631 0 57422.135780 0.000483 8.28060 0.61034 0.93413 0 57422.136697 0.000434 8.91219 0.65105 0.97333 0 57422.137597 0.000466 8.26786 0.60833 0.96273 0 57422.138520 0.000457 8.47907 0.62487 0.96203 0 57422.139617 0.000639 8.67887 0.52933 0.95298 0