/* ** ** 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 56572.161565 0.001111 0.29254 0.06735 0.93229 0 56572.163443 0.000767 0.43855 0.10258 0.93585 0 56572.164690 0.000480 0.75956 0.17198 0.93373 0 56572.166180 0.001010 0.35500 0.08090 0.91691 0 56572.168098 0.000909 0.40573 0.09205 0.91720 0 56572.170017 0.001010 0.35888 0.08135 0.92264 0 56572.171955 0.000929 0.39913 0.08913 0.92212 0