/* ** ** 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 60103.161294 0.000275 22.51956 0.72796 1.00000 0 60103.161867 0.000298 21.26153 0.68324 1.00000 0 60103.162434 0.000269 23.17151 0.74018 1.00000 0 60103.162989 0.000286 21.75495 0.69844 1.00000 0 60103.163553 0.000278 22.65587 0.72275 1.00000 0 60103.164106 0.000275 22.63999 0.72452 1.00000 0 60103.164656 0.000275 22.37787 0.72407 1.00000 0 60103.165209 0.000278 22.10210 0.71704 1.00000 0 60103.165761 0.000275 22.57815 0.72598 1.00000 0 60103.166320 0.000284 21.80108 0.70357 1.00000 0 60103.166878 0.000275 22.72883 0.72588 1.00000 0 60103.167428 0.000275 22.37873 0.72468 1.00000 0 60103.167986 0.000284 21.91463 0.69998 1.00000 0 60103.168539 0.000269 23.10765 0.74224 1.00000 0 60103.169095 0.000286 21.58002 0.69699 1.00000 0 60103.169740 0.000359 21.76857 0.62440 1.00000 0