/* ** ** 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 55836.894730 0.000349 0.43366 0.09697 0.95833 1 55836.895514 0.000436 0.47797 0.09033 0.96667 1 55836.896328 0.000378 0.38747 0.08806 0.96154 1 55836.897069 0.000363 0.42950 0.09604 0.92000 1 55836.897853 0.000421 0.33758 0.07589 1.00000 1 55836.898695 0.000392 0.37671 0.08515 0.96296 1 55836.899596 0.000508 0.47667 0.08201 1.00000 1 55836.900816 0.000712 0.48589 0.07061 1.00000 1 55836.901978 0.000450 0.32762 0.07405 0.96774 1 55836.903285 0.000857 0.41637 0.06010 0.96716 1