/* ** ** 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 59258.187093 0.000512 12.47684 0.40819 0.99435 0 59258.188083 0.000477 12.94746 0.42764 1.00000 0 59258.189061 0.000501 12.45808 0.40614 1.00000 0 59258.190042 0.000480 13.01766 0.42337 1.00000 0 59258.191014 0.000492 12.77535 0.41379 1.00000 0 59258.191625 0.000119 10.21481 0.77620 1.00000 0 59258.192241 0.000498 12.51988 0.41254 0.99419 0 59258.193245 0.000506 12.26551 0.40790 1.00000 0 59258.194237 0.000486 12.91786 0.42229 1.00000 0 59258.195279 0.000556 12.46710 0.38685 1.00000 0