/usr/share/sextractor/gauss_4.0_7x7.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 8 9 | CONV NORM
# 7x7 convolution mask of a gaussian PSF with FWHM = 4.0 pixels.
0.047454 0.109799 0.181612 0.214776 0.181612 0.109799 0.047454
0.109799 0.254053 0.420215 0.496950 0.420215 0.254053 0.109799
0.181612 0.420215 0.695055 0.821978 0.695055 0.420215 0.181612
0.214776 0.496950 0.821978 0.972079 0.821978 0.496950 0.214776
0.181612 0.420215 0.695055 0.821978 0.695055 0.420215 0.181612
0.109799 0.254053 0.420215 0.496950 0.420215 0.254053 0.109799
0.047454 0.109799 0.181612 0.214776 0.181612 0.109799 0.047454
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