psParam.par
Parameter File for Postage Stamp Pipeline
December 1997
This is an example of psParam.par file which specifies all
parameters for controlling PSP algorithms. All data is entered in form
keyword - value.
#
# Software parameters for postage stamp pipeline
#
ps_wingsize 200 # size of stellar-wing patches
# value at which a pixel is considered saturated
ps_saturation_level 64000
# software bias to prevent negative pix values after bias subtraction
ps_soft_bias 1000
# file of cell-array profiles (precalculated PSF models)
cellprofile_file $PHOTO_DIR/lib/cellprof.dat
# parameters used by flatfields modules
ps_smooth_length 0 # how to smooth the bias vectors
# must set to 0, currently not used
ff_ninterp 5 # controls the number of adjecent frames, nadj,
# to smooth over (nadj = 2 * ff_ninterp + 1)
ff_sigrej 3 # Rejection limit in sigmas
ff_beta 0 # index specifying interpolation (filtering) method
# 0 = median, 1 = mean, > 1 a weighting function
# which -> delta function for ff_beta -> inf.
left_buffer 0 # do not include last left_buffer pixels in left
# overscan region when determining bias drift
right_buffer 0 # do not include first right_buffer pixels in right
# overscan region when determining bias drift
# parameters used by the findCR function
cr_min_sigma 6.0 # CRs must be > this many sky-sig above sky
cr_min_e 150 # CRs must have > this many electrons in peak pixel
cr_cond3 3.0 # used in condition 3 for CR; see CR.c code
cr_cond32 0.6 # used in condition 3 for CR; see CR.c code
# parameters used by makeStarlist
star1_aperature 5 # Index of radial profile aperature
# to use for photometric calibration
psf_def_rad 27 # rad out to which to use data for PS stars
wing_def_rad 60 # rad out to which to use data for wing stars
psf_threshold 5 # % of peak to trigger asymmetry filter
sigma_multi 2.5 # number of sigma sky to trigger multiple flag
sigma_badsky 3.0 # number of sigma for bad sky, 3.0
second_peak 0.0001 # minimum required strength for the 2nd peak to
# set MULTIPLE flag
# parameters used for selecting good PSF stars
min_starnum 2 # min. number of good stars needed for PSF determination
psf_nframe 3 # interpolate psfs over nframes frames (odd number)
psf_niter 2 # number of times to iterate sigma clip
soft_err_min 0.01 # minimal error for composite profile used
# for softening before fitting the PSF
soft_err_max 0.02 # maximal error for composite profile used
# for softening before fitting the PSF
nowing_option 2 # what to do w/o wing stars:
# 1 = give up
# 2 = assume some canonical values
psf_critical_amplitude 5000 # if bad width and dgpsf->a > this,
# the stamp's bad in all bands
# cliping parameters
# cell by cell clip
ncellclip 3.0 # how many sigma to clip cells at
nbadcell 6 # how many bad cells to condemn a star
maxdev 5.0 # maximal allowed deviation from the median
# size and shape clip
psf_nsigma1 4.0 # number of sigma at which to clip sigma
psf_nsigma2 2.0 # number of sigma at which to clip QU
# clip on best_fit model PSF
clip_mod 0 # if < 1 do not clip on best-fit model
# chi2 clip
chisq_max 1.0 # max chi2 for all stars
chisq_cutoff 3.0 # max chi2 for a single star
# parameters used by photometricParameters module
fpp_refcolor_u g # Band used with color terms in the u
fpp_refcolor_g r # Band used with color terms in the g
fpp_refcolor_r g # Band used with color terms in the r
fpp_refcolor_i r # Band used with color terms in the i
fpp_refcolor_z i # Band used with color terms in the z
fpp_color_term_u .01 # log(flux20) = a + color_term * color
fpp_color_term_g .01 # log(flux20) = a + color_term * color
fpp_color_term_r .01 # log(flux20) = a + color_term * color
fpp_color_term_i .01 # log(flux20) = a + color_term * color
fpp_color_term_z .01 # log(flux20) = a + color_term * color
fpp_color_term_err_u .001 # Error in color term for u
fpp_color_term_err_g .001 # Error in color term for g
fpp_color_term_err_r .001 # Error in color term for r
fpp_color_term_err_i .001 # Error in color term for i
fpp_color_term_err_z .001 # Error in color term for z
fpp_starsep 8 # Max sep (") for match to mt stars
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ZI, December 1997