/* ** ** 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 55904.753798 0.000508 0.48436 0.08485 0.97143 1 55904.754945 0.000639 0.61195 0.08655 0.93182 1 55904.756223 0.000610 0.60921 0.08615 0.97619 1 55904.757196 0.000363 0.44257 0.09481 1.00000 1 55904.758286 0.000726 0.29226 0.05544 0.95576 1 55904.821050 0.000392 0.41774 0.08991 0.96176 1 55904.822053 0.000610 0.48183 0.07698 0.97619 1 55904.823258 0.000596 0.60765 0.08594 1.00000 1 55904.824188 0.000334 0.47055 0.10128 1.00000 1 55904.824885 0.000363 0.39128 0.08888 1.00000 1 55904.825640 0.000392 0.38818 0.08471 1.00000 1 55904.826759 0.000726 0.52282 0.07366 0.96303 1