/* ** ** 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 55262.971962 0.000327 38.68383 1.30985 1.00000 0 55262.972558 0.000269 33.78062 1.11276 1.00000 0 55262.973122 0.000295 34.79694 1.14832 1.00000 0 55262.973706 0.000289 36.54383 1.19434 1.00000 0 55262.974265 0.000269 38.88131 1.27424 1.00000 0 55262.974815 0.000281 36.15421 1.18809 1.00000 0 55262.975373 0.000278 35.83091 1.14959 1.00000 0 55262.975929 0.000278 36.46510 1.19405 1.00000 0 55262.976484 0.000278 37.51113 1.21773 1.00000 0 55262.977051 0.000289 36.47083 1.17963 1.00000 0 55262.977607 0.000266 38.90982 1.26256 1.00000 0 55262.978151 0.000278 37.15564 1.22182 1.00000 0 55262.978695 0.000266 38.17070 1.24111 1.00000 0 55262.979253 0.000292 34.99702 1.15041 1.00000 0 55262.979812 0.000266 38.52381 1.25455 1.00000 0 55262.980359 0.000281 36.28418 1.20508 1.00000 0 55262.980911 0.000272 38.06152 1.24688 1.00000 0 55262.981441 0.000258 39.01478 1.26402 1.00000 0 55262.981976 0.000278 36.40825 1.20191 1.00000 0 55262.982514 0.000260 39.34003 1.26449 1.00000 0 55262.983044 0.000269 37.98391 1.22421 1.00000 0 55262.983573 0.000260 37.79111 1.24143 1.00000 0 55262.984100 0.000266 37.97544 1.22632 1.00000 0 55262.984606 0.000240 42.83253 1.38111 1.00000 0 55262.985124 0.000278 40.20109 1.25006 1.00000 0