/* ** ** 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 57688.132359 0.000479 0.36738 0.08222 1.00000 1 57688.133448 0.000610 0.26428 0.05912 1.00000 1 57688.134538 0.000479 0.35590 0.07959 0.93939 1 57688.135612 0.000596 0.30337 0.06620 0.92683 1 57688.136818 0.000610 0.26678 0.05998 0.97619 1 57688.138154 0.000726 0.22121 0.05001 0.98000 1 57688.139244 0.000363 0.47696 0.10462 0.96000 1 57688.140435 0.000828 0.19027 0.04301 1.00000 1 57688.142832 0.001569 0.19985 0.03305 0.93402 1