/* ** ** 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 60109.185782 0.000333 21.12617 0.68107 1.00000 0 60109.186416 0.000301 23.21283 0.74340 1.00000 0 60109.187038 0.000321 22.03009 0.71820 1.00000 0 60109.187669 0.000310 22.77121 0.73576 1.00000 0 60109.188288 0.000310 22.99013 0.73683 1.00000 0 60109.188899 0.000301 23.29069 0.75655 1.00000 0 60109.189509 0.000310 22.73594 0.73281 1.00000 0 60109.190122 0.000304 23.13807 0.74781 1.00000 0 60109.190742 0.000315 22.08865 0.71960 1.00000 0 60109.191364 0.000307 22.75859 0.73607 1.00000 0 60109.191971 0.000301 23.28648 0.74741 1.00000 0 60109.192582 0.000310 22.54570 0.73492 1.00000 0 60109.193192 0.000301 23.22443 0.75452 1.00000 0 60109.193800 0.000307 22.96593 0.74111 1.00000 0 60109.194402 0.000295 23.96791 0.77982 1.00000 0 60109.194995 0.000298 24.12378 0.77101 1.00000 0 60109.195611 0.000318 22.16692 0.71536 1.00000 0 60109.196245 0.000315 22.28258 0.71965 1.00000 0 60109.196882 0.000321 23.50647 0.74081 1.00000 0