/* ** ** 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 57094.690156 0.000755 0.19425 0.04391 0.96154 1 57094.691637 0.000726 0.19739 0.04486 0.98000 1 57094.692959 0.000596 0.25001 0.05591 0.95122 1 57094.694136 0.000581 0.24752 0.05626 0.97500 1 57094.695545 0.000828 0.17832 0.03988 0.96491 1 57094.696983 0.000610 0.24711 0.05420 1.00000 1 57094.698435 0.000842 0.24797 0.04605 0.99372 1