/* ** ** 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 56449.357977 0.000454 0.60497 0.11510 0.89809 0 56449.359048 0.000616 0.73335 0.10444 0.94836 0 56449.359991 0.000327 0.57882 0.13169 0.89381 0 56449.360660 0.000341 0.56540 0.12544 0.91525 0 56449.361441 0.000440 0.45635 0.10264 0.86184 0 56449.362610 0.000729 0.62476 0.08960 0.94048 0 56449.363993 0.000654 0.72257 0.10341 0.91150 0 56449.365003 0.000356 0.52586 0.11965 0.92683 0 56449.365662 0.000304 0.60592 0.13550 0.96190 0 56449.366325 0.000359 0.51291 0.11535 0.94355 0 56449.367370 0.000680 0.68850 0.09944 0.92766 0 56449.368397 0.000347 0.52109 0.12180 0.95833 0