## lc_clean.par ## A leading space comments the line out; all lines except in the form ## name=value are ignored. # First specify event files (can use the standard FITSIO filtering syntax). # There may be several of them (e.g., a split observation); # if they are not time-ordered, provide a parameter tbeg (in Chandra seconds) # to specify the beginning of the observation. # # To clean an ordinary light curve, just use file*; to clean by flux ratio # in two energy bands, for each file* set fileref* (the denominator) # which must be the same evt. file with a different energy filter (using # FITSIO syntax). num_datafiles=1 file1=evt.fits[events][energy>2500&&energy<7000&&ccd_id<=3] fileref1=evt.fits[events][energy>9500&&energy<12000&&ccd_id<=3] # Time bin size, sec (1037.12=3.241*320; 3.241 s is the standard frame time). binsize=1037.12 # Input and output GTI filenames: gti_file=gti.fits - input uncleaned GTI file clean_gti_file=c7.gti.fits - (optional) output cleaned GTI file # These are output ASCII files for uncleaned and cleaned lightcurves. # Uncleaned files will be created separately for each chip present in the # event file (after the FITSIO filtering, if set), as well as for all chips # together. The clean lightcurve will be made only for all chips. "?" will # be replaced with either the chip ID or "acis" for all chips: lc_dirty=acis.lc - (optional) files for lightcurves lc_clean=acis.clean.lc # The following is used to calculate the mean rate around which to clean. # Set either of the two: clip=3 - this many sigmas to clip to calc. mean mean=0.441 - use this preset mean value instead of computing # The following is used to identify which lightcurve bins are bad. # Set either max_factor or max_sigma: max_factor=1.2 - max increase/decrease factor from the mean max_sigma=2 - max dev. from the mean rate, sigmas (NOT RECOMMENDED) ignore_neg_dev=y - ignore negative dev. from mean (normally excluded) ignore_spikes=y - ignore positive dev. from mean (normally excluded) ignore_nodata=y - ignore bins with 0 counts (normally excluded) # Output options: write_table_lc=y - a simple table instead of a histogram write_separate_chips=y - write uncleaned lc for each acis chip