/* ** ** 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 56285.876744 0.000651 0.65380 0.10325 0.91556 0 56285.877924 0.000530 0.91438 0.13054 0.92896 0 56285.878957 0.000503 0.95800 0.13696 0.93103 0 56285.880089 0.000628 0.81443 0.11545 0.88018 0 56285.881049 0.000333 0.57109 0.12924 0.95652 0 56285.881987 0.000605 0.84941 0.12210 0.87081 0 56285.883272 0.000674 0.75850 0.10982 0.86266 0 56285.884658 0.000712 0.73476 0.10564 0.86179 0 56285.886426 0.001056 0.81833 0.08840 0.91233 0