/* ** ** 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 59371.165588 0.000379 16.17552 0.52424 1.00000 0 59371.166328 0.000362 17.17046 0.55419 1.00000 0 59371.167046 0.000356 17.49856 0.56298 0.99187 0 59371.167784 0.000382 16.34057 0.52572 1.00000 0 59371.168525 0.000359 17.15431 0.56301 1.00000 0 59371.169245 0.000362 17.11672 0.55156 1.00000 0 59371.169983 0.000376 16.54044 0.53493 1.00000 0 59371.170724 0.000365 17.13691 0.55888 0.99206 0 59371.171433 0.000344 18.02265 0.58015 1.00000 0 59371.172156 0.000379 16.27246 0.53100 1.00000 0 59371.172897 0.000362 17.12703 0.55390 1.00000 0 59371.173773 0.000515 17.41923 0.47013 1.00000 0