/* ** ** 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 58742.072709 0.001017 0.14658 0.03278 0.95714 1 58742.074728 0.001002 0.14701 0.03287 0.97101 1 58742.076413 0.000683 0.22344 0.04996 0.93617 1 58742.078345 0.001249 0.12331 0.02691 0.97674 1 58742.080233 0.000639 0.24451 0.05336 0.95455 1 58742.081540 0.000668 0.22023 0.04951 0.95652 1 58742.083066 0.000857 0.17284 0.03906 0.94915 1 58742.084663 0.000741 0.22852 0.04787 0.96197 1