/usr/share/sextractor/gauss_2.0_5x5.conv is in sextractor 2.4.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | CONV NORM
# 5x5 convolution mask of a gaussian PSF with FWHM = 2.0 pixels.
0.006319 0.040599 0.075183 0.040599 0.006319
0.040599 0.260856 0.483068 0.260856 0.040599
0.075183 0.483068 0.894573 0.483068 0.075183
0.040599 0.260856 0.483068 0.260856 0.040599
0.006319 0.040599 0.075183 0.040599 0.006319
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