/* ** ** 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 56309.329232 0.000579 0.71067 0.10280 0.93000 0 56309.330111 0.000301 0.53412 0.12170 0.97115 0 56309.330890 0.000477 0.88127 0.12620 0.91515 0 56309.332082 0.000715 0.58119 0.08241 0.95142 0 56309.333337 0.000541 0.76450 0.11057 0.94118 0 56309.334561 0.000683 0.60276 0.08546 0.94492 0 56309.335719 0.000475 0.85285 0.12306 0.94512 0 56309.336769 0.000576 0.70168 0.10023 0.95980 0 56309.337791 0.000440 0.93335 0.13332 0.94079 0 56309.339255 0.001024 0.70003 0.07638 0.93220 0