/* ** ** 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 57026.251723 0.000188 34.20712 1.10054 1.00000 0 57026.252088 0.000177 36.68299 1.18841 1.00000 0 57026.252464 0.000200 33.60572 1.06967 1.00000 0 57026.252846 0.000182 36.59321 1.17619 1.00000 0 57026.253210 0.000182 35.06520 1.14694 1.00000 0 57026.253592 0.000200 33.42522 1.07072 1.00000 0 57026.254116 0.000324 37.93112 0.89612 0.99746 0 57026.293948 0.000197 32.85014 1.05293 0.99116 0 57026.294336 0.000191 33.92473 1.07299 1.00000 0 57026.294712 0.000185 34.90062 1.10158 1.00000 0 57026.295088 0.000191 33.30734 1.06583 1.00000 0 57026.295462 0.000182 35.04771 1.11175 1.00000 0 57026.295832 0.000188 34.12066 1.08408 1.00000 0 57026.296202 0.000182 35.23675 1.11840 1.00000 0 57026.296570 0.000185 34.85698 1.10357 1.00000 0 57026.296929 0.000174 36.74754 1.17109 1.00000 0 57026.297285 0.000182 34.47289 1.11573 1.00000 0 57026.297695 0.000229 36.10904 1.02154 0.98797 0