/* ** ** 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 55918.281549 0.000596 0.59058 0.08443 1.00000 1 55918.282696 0.000552 0.66212 0.09384 0.97368 1 55918.283858 0.000610 0.58821 0.08289 1.00000 1 55918.285006 0.000537 0.69035 0.09750 0.97297 1 55918.285863 0.000320 0.46354 0.10477 0.95455 1 55918.286734 0.000552 0.69116 0.09740 0.94737 1 55918.287867 0.000581 0.64312 0.08955 0.97500 1 55918.289044 0.000596 0.63107 0.08807 0.97561 1 55918.290221 0.000581 0.60882 0.08610 1.00000 1 55918.291557 0.000755 0.60223 0.07675 0.95985 1