/* ** ** 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 57129.037833 0.000625 0.23430 0.05239 0.97674 1 57129.038937 0.000479 0.30639 0.06888 0.96970 1 57129.040142 0.000726 0.21602 0.04831 0.92000 1 57129.041319 0.000450 0.31778 0.07182 1.00000 1 57129.042307 0.000537 0.27641 0.06213 0.97297 1 57129.043628 0.000784 0.20099 0.04567 0.90741 1 57129.044979 0.000566 0.27698 0.06227 0.92308 1 57129.046708 0.001162 0.21120 0.03759 0.93564 1