/* ** ** 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 56491.147544 0.000310 0.54847 0.12339 0.95327 0 56491.148536 0.000683 0.67002 0.09590 0.92797 0 56491.149537 0.000318 0.55065 0.12463 0.95455 0 56491.150203 0.000347 0.52280 0.11906 0.91667 0 56491.151117 0.000567 0.57404 0.09562 0.94898 0 56491.152411 0.000726 0.62384 0.08866 0.93227 0 56491.153542 0.000399 0.44301 0.09907 0.96377 0 56491.154607 0.000666 0.66164 0.09496 0.95217 0 56491.155593 0.000321 0.57662 0.13051 0.90991 0 56491.156453 0.000538 0.81298 0.11637 0.96237 0 56491.157318 0.000321 0.55858 0.12566 0.93694 0 56491.158334 0.000694 0.71439 0.09676 0.94167 0