/* ** ** 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 57182.481587 0.000405 19.33121 0.62385 1.00000 0 57182.482432 0.000440 18.96578 0.61112 1.00000 0 57182.483305 0.000434 19.00437 0.61597 0.99333 0 57182.484188 0.000448 18.51607 0.60007 0.99355 0 57182.485044 0.000408 20.86266 0.67909 1.00000 0 57182.485849 0.000396 20.86545 0.67171 1.00000 0 57182.486668 0.000422 19.56849 0.63892 1.00000 0 57182.487521 0.000431 18.55293 0.60541 1.00000 0 57182.488343 0.000391 20.70859 0.67177 1.00000 0 57182.489133 0.000399 20.07721 0.66309 1.00000 0 57182.489946 0.000414 19.39950 0.63359 1.00000 0 57182.490999 0.000639 19.93056 0.51856 1.00000 0