/* ** ** 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 56537.398753 0.000732 0.54703 0.07908 0.94466 0 56537.399873 0.000388 0.53452 0.10913 0.90299 0 56537.400833 0.000573 0.52455 0.08892 0.91414 0 56537.401742 0.000330 0.50680 0.11405 0.92105 0 56537.402384 0.000312 0.51036 0.11914 0.93519 0 56537.403015 0.000318 0.51129 0.11485 0.96364 0 56537.403652 0.000318 0.51906 0.11529 0.96364 0 56537.404317 0.000347 0.48022 0.10803 0.92500 0 56537.405414 0.000749 0.55587 0.07933 0.92278 0 56537.406551 0.000388 0.43579 0.09746 0.91791 0 56537.407260 0.000315 0.51214 0.11521 0.94495 0 56537.407908 0.000333 0.52720 0.11860 0.87826 0 56537.408973 0.000732 0.50194 0.07543 0.93281 0