/* ** ** 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 59704.020673 0.000411 16.11739 0.51463 1.00000 0 59704.021477 0.000394 16.75261 0.54044 1.00000 0 59704.022287 0.000417 15.75041 0.50835 1.00000 0 59704.023080 0.000376 17.49792 0.56196 1.00000 0 59704.023861 0.000405 16.30606 0.52345 1.00000 0 59704.024654 0.000388 17.05064 0.55099 1.00000 0 59704.025725 0.000683 15.77428 0.39642 0.99182 0 59704.086599 0.000359 17.55599 0.56396 0.99574 0 59704.087331 0.000373 16.80330 0.54136 1.00000 0 59704.088086 0.000382 16.31330 0.52734 1.00000 0 59704.088841 0.000373 16.60902 0.53592 1.00000 0 59704.089593 0.000379 16.40699 0.52760 1.00000 0 59704.090473 0.000501 16.40496 0.45768 1.00000 0