/* ** ** Swift/XRT light curve for B2 2155+31. ** ** 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 54922.542169 0.402922 0.01909 0.00519 0.02194 1 54938.301926 0.235530 0.01169 0.00285 0.05096 1 54938.837282 0.235632 0.01222 0.00261 0.06147 1 54939.437518 0.304846 0.01769 0.00386 0.03175 1 54939.874633 0.068357 0.03971 -1.00000 0.05399 1 55020.297352 0.239423 0.01474 0.00251 0.09196 1 55024.080317 0.072438 0.01472 0.00263 0.24507 1