ffo_median_size
).
ffo_psf_filt_size*ffo_psf_filt_size
.
A `fringe' of pixels ffo_psf_filt_size/2
is left unsmoothed
around the edge of the frame; these are marked NOTCHECKED
.
ffo_thresholds
) in the smoothed
frame (currently only the lowest threshold is used). Thresholds are in
units of the smoothed-sky sigma, which is estimated from the interquartile
range.
sigma
(sigma
, the pixel standard deviation, is determined locally).
Binning is generally applied to data which has had an object finder run on it, and in which all detected objects have been replaced by the background level.
An object detected in a binned frame has the OBJECT1_BINNED
flag set; it is not currently possible to know on what scale the field
was binned.