/* ** ** 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 57211.125657 0.000755 0.26214 0.05757 0.94231 1 57211.127197 0.000784 0.22825 0.05131 0.96296 1 57211.129594 0.001612 0.20933 0.03462 0.96396 1 57211.195031 0.000668 0.22745 0.05114 0.96028 1 57211.196454 0.000755 0.20191 0.04563 0.94231 1 57211.197892 0.000683 0.21266 0.04780 1.00000 1 57211.199025 0.000450 0.34607 0.07739 0.93548 1 57211.200086 0.000610 0.23816 0.05411 0.98444 1