/* ** ** 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 55294.010093 0.000417 15.60530 0.50513 1.00000 0 55294.010923 0.000414 15.62551 0.50796 1.00000 0 55294.011768 0.000431 15.37069 0.49415 0.99329 0 55294.012616 0.000417 15.62121 0.50470 1.00000 0 55294.013447 0.000414 15.91077 0.51276 1.00000 0 55294.014254 0.000394 16.66333 0.53857 1.00000 0 55294.015055 0.000408 16.16979 0.52099 1.00000 0 55294.015880 0.000417 15.62551 0.51066 1.00000 0 55294.016696 0.000399 16.23337 0.52366 1.00000 0 55294.017512 0.000417 15.63406 0.50322 1.00000 0 55294.018331 0.000402 16.14234 0.52556 1.00000 0 55294.019161 0.000428 14.98556 0.48385 1.00000 0 55294.020009 0.000420 15.47726 0.49559 1.00000 0 55294.020839 0.000411 15.91877 0.51675 1.00000 0 55294.021664 0.000414 15.62684 0.50840 1.00000 0 55294.022602 0.000524 15.22605 0.44974 1.00000 0