/* ** ** Swift/XRT light curve for BL Lacertae. ** ** 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 57369.060667 0.000872 0.18489 0.04035 0.93333 1 57369.062120 0.000581 0.25125 0.05618 0.97500 1 57369.063253 0.000552 0.28506 0.06220 0.94737 1 57369.064545 0.000741 0.19977 0.04492 0.96078 1 57369.065809 0.000523 0.27255 0.06095 1.00000 1 57369.067131 0.000799 0.18349 0.04126 0.96364 1 57369.068366 0.000436 0.32411 0.07287 1.00000 1 57369.069455 0.000654 0.26841 0.05479 0.97116 1