/* ** ** 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 60106.137746 0.000315 19.98551 0.64478 1.00000 0 60106.138357 0.000295 21.12296 0.68178 1.00000 0 60106.138959 0.000307 20.70986 0.67290 1.00000 0 60106.139558 0.000292 21.48512 0.69584 1.00000 0 60106.140156 0.000307 20.72915 0.67287 0.99057 0 60106.140793 0.000330 18.83826 0.61937 1.00000 0 60106.141409 0.000286 22.36391 0.71770 0.98990 0 60106.142029 0.000333 19.18015 0.62199 1.00000 0 60106.142674 0.000312 20.19854 0.65802 1.00000 0 60106.143310 0.000324 19.48544 0.62883 1.00000 0 60106.143967 0.000333 19.34859 0.61885 1.00000 0 60106.144595 0.000295 21.57808 0.69535 1.00000 0 60106.145220 0.000330 19.54710 0.62715 1.00000 0 60106.145886 0.000336 19.04682 0.61109 1.00000 0 60106.146713 0.000492 20.39107 0.52748 1.00000 0