/* ** ** Swift/XRT light curve for Mrk 421. ** ** 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 59644.116476 0.000260 24.65584 0.78886 1.00000 0 59644.116994 0.000258 24.69853 0.79763 1.00000 0 59644.117662 0.000411 23.63341 0.61720 0.99467 0 59644.183073 0.000312 22.92603 0.73598 0.99087 0 59644.183675 0.000289 23.92706 0.77442 1.00000 0 59644.184268 0.000304 22.53192 0.74241 1.00000 0 59644.184867 0.000295 23.61398 0.76589 1.00000 0 59644.185472 0.000310 22.12062 0.73494 1.00000 0 59644.186071 0.000289 24.08947 0.77421 1.00000 0 59644.186650 0.000289 24.03495 0.77523 1.00000 0 59644.187237 0.000298 23.33239 0.76247 0.99029 0 59644.187845 0.000310 22.42933 0.73382 1.00000 0 59644.188464 0.000310 22.69127 0.72936 1.00000 0 59644.189187 0.000414 22.64968 0.63959 0.99733 0