/* ** ** 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 59988.044057 0.000214 32.23712 1.04280 1.00000 0 59988.044479 0.000208 33.40476 1.08008 1.00000 0 59988.044919 0.000231 31.19499 0.99682 1.00000 0 59988.045388 0.000237 30.89171 1.00747 1.00000 0 59988.045853 0.000229 32.22664 1.03645 1.00000 0 59988.046311 0.000229 31.69952 1.01992 1.00000 0 59988.046774 0.000234 30.31485 0.99209 1.00000 0 59988.047242 0.000234 30.38442 0.98922 1.00000 0 59988.047714 0.000237 30.22783 0.98688 1.00000 0 59988.048189 0.000237 30.37921 0.98575 1.00000 0 59988.048672 0.000246 28.86471 0.95085 1.00000 0 59988.049146 0.000229 31.05651 1.01150 1.00000 0 59988.049606 0.000231 31.25168 1.01362 1.00000 0 59988.050069 0.000231 31.88606 1.01730 1.00000 0 59988.050550 0.000249 29.16874 0.94207 1.00000 0 59988.051050 0.000252 28.93902 0.92889 1.00000 0 59988.051681 0.000379 29.52472 0.77310 0.99348 0