/* ** ** 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 56319.197101 0.000353 0.46838 0.10537 0.92623 0 56319.198065 0.000611 0.68686 0.09810 0.92417 0 56319.199306 0.000625 0.65338 0.09242 0.96296 0 56319.200258 0.000327 0.49924 0.11236 0.96460 0 56319.201274 0.000689 0.60603 0.08655 0.93277 0 56319.202477 0.000515 0.82593 0.11764 0.92697 0 56319.203724 0.000732 0.56960 0.08116 0.94071 0 56319.205142 0.000686 0.61864 0.08859 0.91561 0 56319.206638 0.000810 0.61505 0.08022 0.94643 0