LUT is the name of the colour table file to be used. If no extension is specified, .lut is assumed. If a file cannot be found, then a grey-scale will be set as the default. None turns this feature. Only the first chacater of the string is significant.
Case is unimportant.
Threshold to flag as saturated on image. Gaussian masks seeing measurements using a Gaussian psf profile aligned with the detector XY directions. Moffat will fit for an elliptical Moffat function at an arbitrary angle. Only the first character is significant. It should be large enough to clear the objects being measured.