/* ** ** 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 58742.812844 0.000625 0.23991 0.05365 0.95349 1 58742.814471 0.001002 0.15449 0.03455 0.94203 1 58742.816621 0.001148 0.14875 0.03187 0.93671 1 58742.818785 0.001017 0.16250 0.03546 0.92857 1 58742.820775 0.000973 0.16271 0.03551 0.97015 1 58742.822416 0.000668 0.21697 0.04852 1.00000 1 58742.824741 0.001656 0.13685 0.02507 0.95730 1