/* ** ** 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 56227.164644 0.000712 0.89829 0.12708 0.95918 1 56227.165966 0.000610 0.97811 0.14049 1.00000 1 56227.167215 0.000639 0.99598 0.14018 0.97727 1 56227.168348 0.000494 1.28137 0.18309 0.94118 1 56227.169350 0.000508 1.20095 0.17028 1.00000 1 56227.170454 0.000596 1.12062 0.15545 0.95122 1 56227.171355 0.000305 0.78214 0.17835 1.00000 1 56227.172183 0.000523 1.19074 0.16928 0.97222 1 56227.173403 0.000697 0.89053 0.12661 0.97917 1 56227.174885 0.000784 1.10671 0.13302 0.99201 1