/* ** ** 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 59281.217309 0.000408 15.16379 0.49181 1.00000 0 59281.218163 0.000446 13.87498 0.45159 1.00000 0 59281.219048 0.000440 14.02509 0.45580 1.00000 0 59281.219925 0.000437 14.38029 0.46117 0.99338 0 59281.220807 0.000446 13.91386 0.44909 1.00000 0 59281.221713 0.000460 13.51502 0.43636 1.00000 0 59281.222619 0.000446 13.93225 0.44966 1.00000 0 59281.223478 0.000414 15.09514 0.48454 1.00000 0 59281.224343 0.000451 13.66364 0.44489 1.00000 0 59281.225228 0.000434 14.37445 0.46164 1.00000 0 59281.226094 0.000431 14.40003 0.46476 1.00000 0 59281.227147 0.000622 14.49243 0.38880 1.00000 0