/* ** ** 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 57381.688154 0.000421 0.37406 0.08454 0.89655 1 57381.689055 0.000479 0.30130 0.06810 0.96970 1 57381.690101 0.000566 0.27196 0.06081 0.92308 1 57381.691118 0.000450 0.33721 0.07541 0.93548 1 57381.692091 0.000523 0.30466 0.06752 0.91667 1 57381.693311 0.000697 0.20358 0.04553 1.00000 1 57381.694560 0.000552 0.27726 0.06051 0.97368 1 57381.695519 0.000407 0.37114 0.08344 0.92857 1 57381.696419 0.000494 0.30039 0.06863 0.94118 1 57381.697422 0.000508 0.27819 0.06254 1.00000 1 57381.698947 0.001017 0.32162 0.04861 0.95488 1