/* ** ** 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 60106.930771 0.000255 25.61018 0.82092 1.00000 0 60106.931275 0.000249 26.13519 0.83437 1.00000 0 60106.931781 0.000258 25.44567 0.82104 0.98876 0 60106.932293 0.000255 25.20854 0.80900 1.00000 0 60106.932808 0.000260 24.68659 0.79202 1.00000 0 60106.933318 0.000249 26.23547 0.84029 1.00000 0 60106.933835 0.000269 23.75973 0.76638 1.00000 0 60106.934356 0.000252 25.89840 0.82773 1.00000 0 60106.934871 0.000263 24.54045 0.78621 1.00000 0 60106.935404 0.000269 23.98418 0.76583 1.00000 0 60106.935953 0.000281 22.86958 0.73735 1.00000 0 60106.936500 0.000266 24.28835 0.77515 1.00000 0 60106.937044 0.000278 22.98658 0.74285 1.00000 0 60106.937594 0.000272 23.84768 0.76202 1.00000 0 60106.938118 0.000252 25.76016 0.82111 1.00000 0 60106.938639 0.000269 23.82788 0.76654 1.00000 0 60106.939183 0.000275 23.27287 0.75111 1.00000 0 60106.939874 0.000417 24.44795 0.62325 0.99823 0 60106.997218 0.000260 24.84419 0.80208 0.99786 0 60106.997907 0.000428 24.96763 0.63023 1.00000 0