/* ** ** 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 57840.183946 0.000408 15.18900 0.49006 1.00000 0 57840.184744 0.000391 15.87685 0.51590 1.00000 0 57840.185525 0.000391 15.90880 0.51550 1.00000 0 57840.186318 0.000402 15.39642 0.49795 1.00000 0 57840.187108 0.000388 16.20975 0.51742 1.00000 0 57840.187881 0.000385 16.24073 0.52102 1.00000 0 57840.188665 0.000399 15.59021 0.50367 1.00000 0 57840.189463 0.000399 15.78108 0.50598 1.00000 0 57840.190259 0.000396 15.71826 0.50553 1.00000 0 57840.191061 0.000405 15.56221 0.50159 1.00000 0 57840.191862 0.000396 15.58952 0.50472 1.00000 0 57840.192641 0.000382 16.50038 0.52834 1.00000 0 57840.193433 0.000411 15.34952 0.49250 1.00000 0 57840.194238 0.000394 16.35588 0.51978 1.00000 0 57840.195210 0.000579 16.14499 0.42620 1.00000 0