/* ** ** 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 56248.800910 0.000417 1.00162 0.14309 0.91667 0 56248.801752 0.000425 0.98129 0.14080 0.91837 0 56248.802547 0.000370 1.13440 0.16082 0.91406 0 56248.803355 0.000437 0.94058 0.13429 0.92715 0 56248.804118 0.000327 1.26156 0.18011 0.92920 0 56248.804955 0.000509 0.81193 0.11511 0.93750 0 56248.805846 0.000382 1.08470 0.15526 0.92424 0 56248.806728 0.000501 0.83917 0.11952 0.93064 0 56248.807692 0.000463 0.88966 0.12703 0.94375 0 56248.808566 0.000411 1.05333 0.15259 0.89437 0 56248.809362 0.000385 1.11388 0.15902 0.92481 0 56248.810059 0.000312 1.35567 0.19218 0.93519 0 56248.810701 0.000330 1.26147 0.17928 0.93860 0 56248.811743 0.000712 1.02847 0.11039 0.94715 0