/* ** ** 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 56920.178640 0.000450 0.33577 0.07586 1.00000 1 56920.179468 0.000378 0.45472 0.09972 0.92308 1 56920.180238 0.000392 0.43047 0.09726 0.88889 1 56920.180949 0.000320 0.49694 0.11112 0.95455 1 56920.181850 0.000581 0.26712 0.06004 0.97500 1 56920.182736 0.000305 0.50326 0.11254 1.00000 1 56920.183448 0.000407 0.39457 0.08824 0.96429 1 56920.184247 0.000392 0.51564 0.10313 0.96296 1 56920.185220 0.000581 0.30944 0.06660 0.92500 1 56920.186280 0.000479 0.32889 0.07355 0.96970 1 56920.187065 0.000305 0.49799 0.11193 1.00000 1 56920.188125 0.000755 0.29743 0.05523 0.98488 1