/* ** ** 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 56828.881044 0.000784 0.19972 0.04490 0.92593 1 56828.882453 0.000625 0.23169 0.05181 1.00000 1 56828.883513 0.000436 0.35927 0.08034 0.93333 1 56828.884893 0.000944 0.16109 0.03640 0.95385 1 56828.886520 0.000683 0.22774 0.05093 0.93617 1 56828.887958 0.000755 0.19720 0.04433 0.98077 1 56828.889454 0.000712 0.20949 0.04733 0.97959 1 56828.890209 0.000044 1.25518 -1.00000 0.69912 1