/* ** ** 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 57780.186902 0.000402 23.25448 0.76615 1.00000 0 57780.187666 0.000362 27.71936 0.91196 1.00000 0 57780.188416 0.000388 27.71544 0.90998 1.00000 0 57780.189194 0.000391 27.03582 0.88379 1.00000 0 57780.190004 0.000420 25.92227 0.85409 0.99310 0 57780.190838 0.000414 25.94927 0.85720 0.99301 0 57780.191662 0.000411 26.26510 0.85986 1.00000 0 57780.192484 0.000411 25.64342 0.84968 1.00000 0 57780.193332 0.000437 24.43367 0.81039 1.00000 0 57780.194197 0.000428 25.42335 0.83283 1.00000 0 57780.195048 0.000422 26.15119 0.85030 1.00000 0 57780.195895 0.000425 25.85256 0.84344 1.00000 0 57780.196738 0.000417 26.65027 0.86770 0.99306 0 57780.197866 0.000712 26.76157 0.66163 1.00000 0