/* ** ** 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 59751.183516 0.000286 21.67360 0.69926 1.00000 0 59751.184097 0.000295 21.01717 0.68121 1.00000 0 59751.184676 0.000284 21.63601 0.70265 1.00000 0 59751.185237 0.000278 22.22032 0.71263 1.00000 0 59751.185796 0.000281 21.96982 0.71098 1.00000 0 59751.186363 0.000286 21.57477 0.69716 1.00000 0 59751.186924 0.000275 22.35673 0.72122 1.00000 0 59751.187497 0.000298 20.56125 0.67198 1.00000 0 59751.188085 0.000289 21.20601 0.68742 1.00000 0 59751.188643 0.000269 23.18946 0.74299 1.00000 0 59751.189202 0.000289 21.88259 0.70817 0.99000 0 59751.189775 0.000284 22.15906 0.71498 0.98980 0 59751.190368 0.000310 19.90553 0.64165 1.00000 0 59751.190952 0.000275 22.36647 0.72619 1.00000 0 59751.191505 0.000278 22.11504 0.71283 1.00000 0 59751.192081 0.000298 20.78810 0.67511 0.99029 0 59751.192668 0.000289 21.22472 0.68893 1.00000 0 59751.193354 0.000396 20.50731 0.58108 1.00000 0