/* ** ** 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 59409.431478 0.000654 0.56120 0.08003 0.97778 1 59409.432465 0.000334 0.42683 0.09646 1.00000 1 59409.433221 0.000421 0.47577 0.09059 1.00000 1 59409.434208 0.000566 0.64033 0.09059 1.00000 1 59409.435371 0.000596 0.61624 0.08771 0.97561 1 59409.437070 0.001104 0.65558 0.06757 0.94379 1 59409.832961 0.000654 0.56741 0.08025 0.98461 1 59409.834312 0.000697 0.53612 0.07631 0.97917 1 59409.835344 0.000334 0.43567 0.09794 1.00000 1 59409.836564 0.000886 0.70206 0.07670 0.98285 1