/* ** ** 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 57305.758512 0.000392 0.37257 0.08332 1.00000 1 57305.759456 0.000552 0.27499 0.06001 1.00000 1 57305.760429 0.000421 0.37295 0.08340 0.93103 1 57305.761344 0.000494 0.32038 0.07242 0.91176 1 57305.762332 0.000494 0.31377 0.07017 0.94118 1 57305.763596 0.000770 0.21074 0.04538 0.98113 1 57305.765426 0.001060 0.15237 0.03445 0.90411 1 57305.766922 0.000436 0.34808 0.07675 1.00000 1 57305.768389 0.001031 0.20914 0.03899 0.98456 1