/* ** ** 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 58249.961532 0.000469 13.57724 0.43447 1.00000 0 58249.962455 0.000454 13.88455 0.45006 1.00000 0 58249.963375 0.000466 13.72030 0.44366 1.00000 0 58249.964333 0.000492 12.94726 0.42106 1.00000 0 58249.965311 0.000486 13.04741 0.42323 1.00000 0 58249.966248 0.000451 14.04392 0.45571 1.00000 0 58249.967180 0.000480 13.27969 0.42903 1.00000 0 58249.968109 0.000448 14.31696 0.46024 1.00000 0 58249.969040 0.000483 13.20386 0.42398 1.00000 0 58249.969998 0.000475 13.46830 0.43433 1.00000 0 58249.971344 0.000871 13.50751 0.32344 1.00000 0