/* ** ** 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 58045.235633 0.000566 0.27164 0.05989 0.97436 1 58045.236766 0.000566 0.25827 0.05837 0.97436 1 58045.237870 0.000537 0.27266 0.06163 0.97297 1 58045.238989 0.000581 0.24847 0.05556 1.00000 1 58045.240093 0.000523 0.27557 0.06162 1.00000 1 58045.241284 0.000668 0.23212 0.05191 0.93478 1 58045.242562 0.000610 0.25220 0.05670 0.92857 1 58045.243579 0.000407 0.36331 0.08212 0.96429 1 58045.245249 0.001264 0.20199 0.03487 0.95567 1