/* ** ** 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 56535.255172 0.000648 0.62573 0.08933 0.94196 0 56535.256427 0.000608 0.66204 0.09474 0.94286 0 56535.257345 0.000310 0.50563 0.11373 0.97196 0 56535.258201 0.000547 0.75200 0.10738 0.93122 0 56535.259095 0.000347 0.45976 0.10721 0.92500 0 56535.259772 0.000330 0.51537 0.11439 0.92982 0 56535.260412 0.000310 0.52046 0.11707 0.94393 0 56535.261413 0.000692 0.59937 0.08557 0.92050 0 56535.262813 0.000709 0.56987 0.08099 0.95102 0 56535.264049 0.000527 0.49621 0.08773 0.94505 0