/* ** ** 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 59287.159874 0.000305 0.46939 0.10666 1.00000 1 59287.160687 0.000479 0.74593 0.10617 1.00000 1 59287.161777 0.000610 0.61424 0.08673 0.97619 1 59287.163113 0.000726 0.51947 0.07274 0.98000 1 59287.164449 0.000610 0.62072 0.08778 0.95238 1 59287.165669 0.000610 0.59642 0.08472 1.00000 1 59287.167151 0.000872 0.59909 0.07082 0.99639 1