/* ** ** 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 59377.212627 0.000284 21.61615 0.70625 1.00000 0 59377.213202 0.000292 21.06803 0.68562 1.00000 0 59377.213775 0.000281 22.21958 0.71575 1.00000 0 59377.214342 0.000286 21.95400 0.70571 1.00000 0 59377.214907 0.000278 22.93425 0.73459 1.00000 0 59377.215471 0.000286 21.84059 0.70351 1.00000 0 59377.216041 0.000284 21.97125 0.71400 1.00000 0 59377.216617 0.000292 21.19394 0.69670 1.00000 0 59377.217169 0.000260 23.79914 0.77572 1.00000 0 59377.217708 0.000278 22.99961 0.73440 1.00000 0 59377.218283 0.000298 21.04416 0.68347 1.00000 0 59377.218845 0.000263 23.44895 0.75537 1.00000 0 59377.219400 0.000292 21.32298 0.68585 1.00000 0 59377.219973 0.000281 22.38251 0.71733 1.00000 0 59377.220549 0.000295 20.98948 0.67433 1.00000 0 59377.221188 0.000344 21.71729 0.63822 1.00000 0