/* ** ** 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 57337.206260 0.000436 0.34304 0.07486 1.00000 1 57337.207132 0.000436 0.33514 0.07534 0.96667 1 57337.207974 0.000407 0.34740 0.07768 1.00000 1 57337.208831 0.000450 0.32427 0.07289 0.96774 1 57337.210182 0.000901 0.29211 0.04816 0.99686 1 57337.272787 0.000552 0.28445 0.06428 0.92760 1 57337.273833 0.000494 0.30324 0.06816 0.97059 1 57337.274675 0.000349 0.45366 0.10252 0.91667 1 57337.275445 0.000421 0.40065 0.08355 1.00000 1 57337.276462 0.000596 0.37683 0.06904 0.97367 1