/* ** ** 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 59999.830321 0.000275 22.83551 0.73687 1.00000 0 59999.830883 0.000286 21.74544 0.69924 1.00000 0 59999.831441 0.000272 22.84839 0.73331 1.00000 0 59999.831994 0.000281 22.25788 0.71366 1.00000 0 59999.832552 0.000278 22.41320 0.71744 1.00000 0 59999.833102 0.000272 22.98688 0.73548 1.00000 0 59999.833649 0.000275 22.75176 0.72971 1.00000 0 59999.834199 0.000275 22.72001 0.72673 1.00000 0 59999.834769 0.000295 21.25454 0.67486 1.00000 0 59999.835348 0.000284 22.04417 0.70419 1.00000 0 59999.835912 0.000281 22.26194 0.71493 1.00000 0 59999.836505 0.000312 23.07377 0.68870 0.99957 0 60000.035255 0.000307 20.71653 0.66390 0.99511 0 60000.035863 0.000301 20.73208 0.66749 1.00000 0 60000.036456 0.000292 21.26713 0.68123 1.00000 0 60000.037026 0.000278 22.33647 0.71722 1.00000 0 60000.037602 0.000298 20.97822 0.67306 1.00000 0 60000.038198 0.000298 20.65767 0.67064 1.00000 0 60000.038797 0.000301 20.74961 0.66514 1.00000 0 60000.039384 0.000286 21.56920 0.69730 1.00000 0 60000.039963 0.000292 21.32343 0.68424 1.00000 0 60000.040550 0.000295 21.20141 0.67575 1.00000 0 60000.041161 0.000315 19.53131 0.63241 1.00000 0 60000.041783 0.000307 20.03825 0.65212 1.00000 0 60000.042382 0.000292 21.12425 0.68375 1.00000 0 60000.042966 0.000292 21.11863 0.68630 1.00000 0 60000.043551 0.000292 21.09880 0.68602 1.00000 0 60000.044147 0.000304 20.52309 0.65684 1.00000 0 60000.044789 0.000339 20.41489 0.62263 1.00000 0