/* ** ** 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 57203.736923 0.000799 0.25912 0.05690 1.00000 1 57203.738230 0.000508 0.41478 0.09324 0.94286 1 57203.739189 0.000450 0.47931 0.10778 0.93548 1 57203.740060 0.000421 0.49904 0.11161 0.96552 1 57203.741092 0.000610 0.32701 0.07316 1.00000 1 57203.742268 0.000566 0.36151 0.08086 0.97436 1 57203.743328 0.000494 0.42884 0.09640 0.94118 1 57203.744447 0.000625 0.31431 0.07035 1.00000 1 57203.745580 0.000508 0.42723 0.09656 0.91429 1 57203.746960 0.000872 0.42291 0.07364 0.92611 1