/* ** ** 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 59179.181449 0.000448 14.35613 0.45867 1.00000 0 59179.182331 0.000434 14.91513 0.47804 1.00000 0 59179.183220 0.000454 13.95258 0.45546 1.00000 0 59179.184111 0.000437 14.65444 0.47466 1.00000 0 59179.184988 0.000440 14.50437 0.46951 1.00000 0 59179.185870 0.000443 14.43616 0.46534 1.00000 0 59179.186764 0.000451 14.26845 0.46078 0.99359 0 59179.187673 0.000457 14.04055 0.44890 1.00000 0 59179.188622 0.000492 12.93532 0.42004 1.00000 0 59179.189554 0.000440 14.46874 0.47438 1.00000 0 59179.190427 0.000434 14.81629 0.47815 1.00000 0 59179.191596 0.000735 14.43555 0.36394 1.00000 0