/* ** ** 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 57424.324545 0.000480 13.40379 0.43093 1.00000 0 57424.325494 0.000469 13.75723 0.45128 1.00000 0 57424.326443 0.000480 13.53159 0.43989 1.00000 0 57424.327389 0.000466 14.21599 0.45696 0.99379 0 57424.328304 0.000448 14.53061 0.47459 0.98710 0 57424.329221 0.000469 14.09093 0.45460 1.00000 0 57424.330153 0.000463 14.08357 0.45971 1.00000 0 57424.331096 0.000480 13.64056 0.43926 1.00000 0 57424.332033 0.000457 14.36908 0.46485 1.00000 0 57424.332930 0.000440 15.07822 0.48328 1.00000 0 57424.333810 0.000440 14.83588 0.48293 1.00000 0 57424.335060 0.000810 13.74028 0.34036 1.00000 0