/* ** ** 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 56647.304380 0.000494 0.30515 0.06728 0.97059 1 56647.305222 0.000349 0.43742 0.09594 0.95833 1 56647.306137 0.000566 0.25340 0.05666 0.97436 1 56647.307474 0.000770 0.19858 0.04488 0.90566 1 56647.308752 0.000508 0.29938 0.06730 0.91429 1 56647.309900 0.000639 0.23950 0.05384 0.90909 1 56647.311250 0.000712 0.23429 0.05019 0.91837 1 56647.312587 0.000625 0.24565 0.05522 0.90698 1 56647.313705 0.000494 0.30903 0.06947 0.91176 1 56647.315085 0.000886 0.31549 0.05093 0.96815 1