/* ** ** 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 56302.970045 0.000894 1.58347 0.11392 0.94175 0 56302.971248 0.000310 1.12131 0.16469 0.94393 0 56302.972577 0.001019 1.37649 0.09851 0.96307 0 56302.974671 0.001076 1.27406 0.09209 0.96505 0 56302.976801 0.001053 1.31855 0.09530 0.95330 0 56302.979197 0.001343 1.21901 0.08052 0.95905 0