/* ** ** 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 57199.465377 0.000450 0.32661 0.07236 1.00000 1 57199.466219 0.000392 0.38124 0.08320 1.00000 1 57199.467134 0.000523 0.28408 0.06230 1.00000 1 57199.467962 0.000305 0.46393 0.10487 1.00000 1 57199.468761 0.000494 0.29369 0.06567 1.00000 1 57199.469778 0.000523 0.28087 0.06281 0.97222 1 57199.470664 0.000363 0.41246 0.09092 1.00000 1 57199.471463 0.000436 0.31930 0.07293 1.00000 1 57199.472320 0.000421 0.40298 0.08592 0.93103 1 57199.473220 0.000479 0.32866 0.07244 0.93939 1 57199.474092 0.000392 0.41341 0.09068 0.92593 1 57199.474949 0.000465 0.35684 0.07827 0.90625 1 57199.476242 0.000828 0.29354 0.05127 0.96678 1