/* ** ** 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 54727.748491 0.000566 0.25621 0.05791 0.97436 1 54727.749871 0.000813 0.18025 0.04052 0.96429 1 54727.751222 0.000537 0.26920 0.06119 0.97297 1 54727.752312 0.000552 0.26996 0.06069 0.94737 1 54727.753503 0.000639 0.23468 0.05121 0.99477 1 54727.885525 0.000857 0.17944 0.03936 0.96489 1 54727.886934 0.000552 0.28688 0.06415 0.89474 1 54727.888067 0.000581 0.24413 0.05459 1.00000 1 54727.889795 0.001148 0.21998 0.03785 0.95269 1