/* ** ** 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 58743.273462 0.001743 0.10011 0.02252 0.97500 1 58743.276585 0.001380 0.12526 0.02831 0.96842 1 58743.279258 0.001293 0.13428 0.03018 0.97753 1 58743.281074 0.000523 0.35284 0.07974 0.91667 1 58743.283281 0.001685 0.10327 0.02309 0.98276 1 58743.286186 0.001220 0.13988 0.03178 0.98810 1