/* ** ** 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 54359.726803 0.000639 0.26818 0.05997 0.93182 1 54359.727806 0.000363 0.47611 0.10390 0.96000 1 54359.728648 0.000479 0.35539 0.07832 0.96970 1 54359.729607 0.000479 0.34077 0.07700 0.96970 1 54359.730435 0.000349 0.44913 0.10095 1.00000 1 54359.731277 0.000494 0.34083 0.07621 0.94118 1 54359.732541 0.000770 0.38557 0.06357 0.98285 1