/* ** ** 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 55572.466315 0.000278 9.89949 0.72921 1.00000 0 55572.466874 0.000281 9.17600 0.66743 0.97938 0 55572.467432 0.000278 11.04546 0.80375 0.98958 0 55572.467993 0.000284 11.02373 0.79794 0.96939 0 55572.468613 0.000336 9.97215 0.71665 0.94828 0 55572.469243 0.000295 10.47916 0.76965 0.97059 0 55572.469837 0.000298 10.25064 0.74975 0.98058 0 55572.470456 0.000321 9.88607 0.71246 0.99099 0 55572.471072 0.000295 10.61321 0.77184 1.00000 0 55572.471642 0.000275 11.88997 0.85638 0.95789 0 55572.472218 0.000301 10.33528 0.75087 0.99038 0 55572.472791 0.000272 11.99175 0.86574 0.95745 0 55572.473361 0.000298 10.40078 0.75342 0.97087 0 55572.473968 0.000310 10.12537 0.74469 0.96262 0 55572.474570 0.000292 11.06543 0.81014 0.93069 0 55572.475140 0.000278 11.31045 0.81968 0.93750 0 55572.475702 0.000284 10.08238 0.75635 0.98980 0 55572.476292 0.000307 9.88766 0.73844 0.96226 0 55572.476888 0.000289 10.82662 0.79363 0.97000 0 55572.477458 0.000281 11.42181 0.82950 0.95876 0 55572.477996 0.000258 12.26910 0.89306 0.94382 0 55572.478558 0.000304 10.12987 0.74255 0.98095 0 55572.479362 0.000501 10.59791 0.58717 0.98266 0