/* ** ** 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 57156.103514 0.000508 0.27694 0.06226 1.00000 1 57156.104501 0.000479 0.31380 0.06917 0.96970 1 57156.105620 0.000639 0.22016 0.04923 1.00000 1 57156.106826 0.000566 0.24544 0.05547 1.00000 1 57156.107871 0.000479 0.29330 0.06593 1.00000 1 57156.108816 0.000465 0.30468 0.06997 0.96875 1 57156.109716 0.000436 0.34557 0.07768 0.93333 1 57156.110776 0.000625 0.22872 0.05141 0.97674 1 57156.111793 0.000392 0.38617 0.08635 0.92593 1 57156.113013 0.000828 0.31493 0.05280 0.96264 1