/* ** ** 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 57183.258502 0.000479 0.36365 0.08033 0.96970 1 57183.259592 0.000610 0.25444 0.05690 1.00000 1 57183.260710 0.000508 0.30551 0.06832 1.00000 1 57183.261930 0.000712 0.22508 0.05086 0.95918 1 57183.263949 0.001307 0.22117 0.03697 0.96369 1 57183.439940 0.000668 0.22943 0.05185 0.92488 1 57183.441087 0.000479 0.29371 0.06603 1.00000 1 57183.442133 0.000566 0.27133 0.06099 0.92308 1 57183.443106 0.000407 0.35175 0.07866 1.00000 1 57183.444312 0.000799 0.21998 0.04491 0.97452 1