/* ** ** 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 59341.222128 0.000315 19.53505 0.62982 1.00000 0 59341.222759 0.000315 19.49156 0.63543 1.00000 0 59341.223422 0.000347 18.05389 0.58000 1.00000 0 59341.224084 0.000315 19.66967 0.63163 1.00000 0 59341.224715 0.000315 19.67451 0.62927 1.00000 0 59341.225375 0.000344 17.96381 0.57947 1.00000 0 59341.226046 0.000327 19.08693 0.61070 1.00000 0 59341.226691 0.000318 19.46717 0.62728 1.00000 0 59341.227334 0.000324 19.35996 0.61857 0.99107 0 59341.227973 0.000315 19.48065 0.62934 1.00000 0 59341.228613 0.000324 19.03923 0.61261 1.00000 0 59341.229272 0.000336 18.43454 0.59596 1.00000 0 59341.229932 0.000324 19.13915 0.61735 1.00000 0 59341.230571 0.000315 19.54438 0.62919 1.00000 0 59341.231222 0.000336 18.44391 0.59281 1.00000 0 59341.231894 0.000336 18.46982 0.59362 1.00000 0 59341.232565 0.000336 18.29905 0.59347 1.00000 0 59341.233459 0.000558 19.33999 0.47258 1.00000 0