/* ** ** 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 59137.655217 0.000784 0.23584 0.05308 0.96296 1 59137.656859 0.000857 0.20854 0.04689 0.96610 1 59137.658500 0.000784 0.22597 0.05081 0.96296 1 59137.660432 0.001118 0.15999 0.03578 0.96104 1 59137.662524 0.000973 0.18288 0.04112 0.95522 1 59137.665080 0.001583 0.19420 0.03247 0.99108 1