/* ** ** 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 58457.572237 0.000353 39.12389 1.31356 1.00000 0 58457.573004 0.000414 37.37886 1.22952 1.00000 0 58457.573838 0.000420 36.50562 1.21164 1.00000 0 58457.574703 0.000446 35.52913 1.16916 0.98701 0 58457.575577 0.000428 36.24240 1.20057 1.00000 0 58457.576471 0.000466 34.88442 1.14576 0.99379 0 58457.577394 0.000457 35.40943 1.16226 1.00000 0 58457.578302 0.000451 35.95444 1.17130 0.99359 0 58457.579176 0.000422 36.43612 1.21986 1.00000 0 58457.580033 0.000434 35.95236 1.18737 1.00000 0 58457.580889 0.000422 36.74115 1.22947 1.00000 0 58457.581977 0.000666 36.33479 0.97468 1.00000 0