Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 6.583 5.905/7.189 6.464 ± 0.7541
ea03 1342 1342/1342 1342 ± 0.000004026 6.127 5.386/6.885 6.063 ± 0.7729
ea04 1342 1342/1342 1342 ± 0 5.946 5.456/6.403 5.982 ± 0.6431
ea05 1342 1342/1342 1342 ± 0 6.094 5.718/7.089 6.394 ± 0.7498
ea06 1342 1342/1342 1342 ± 0 6.325 5.699/6.634 6.264 ± 0.6009
ea07 1342 1342/1342 1342 ± 0 6.23 5.552/6.35 6.149 ± 0.6124
ea08 1342 1342/1342 1342 ± 0.000001983 6.705 5.716/6.942 6.49 ± 0.7304
ea09 1342 1342/1342 1342 ± 0 6.226 5.676/6.99 6.342 ± 0.7739
ea10 1342 1342/1342 1342 ± 0 6.217 5.81/7.068 6.401 ± 0.6714
ea11 1342 1342/1342 1342 ± 0 6.294 5.602/6.934 6.357 ± 0.7782
ea12 1342 1342/1342 1342 ± 0 6.481 5.832/6.9 6.494 ± 0.6984
ea13 1342 1342/1342 1342 ± 0 6.051 5.972/6.545 6.225 ± 0.5071
ea14 1342 1342/1342 1342 ± 0 6.252 5.881/6.982 6.474 ± 0.6788
ea15 1342 1342/1342 1342 ± 0 5.272 4.897/5.709 5.336 ± 0.5202
ea16 1342 1342/1342 1342 ± 0 6.48 5.924/7.047 6.504 ± 0.7738
ea17 1342 1342/1342 1342 ± 0 6.639 6.066/7.512 6.812 ± 0.7625
ea18 1342 1342/1342 1342 ± 0 5.259 4.915/5.68 5.305 ± 0.4957
ea19 1342 1342/1342 1342 ± 0 6.528 6.171/7.457 6.767 ± 0.7394
ea20 1342 1342/1342 1342 ± 0 5.96 5.862/6.963 6.308 ± 0.6824
ea21 1342 1342/1342 1342 ± 0 5.961 5.684/6.745 6.162 ± 0.6179
ea22 1342 1342/1342 1342 ± 0 6.319 5.534/6.745 6.145 ± 0.6764
ea23 1342 1342/1342 1342 ± 0 6.063 5.936/7.02 6.487 ± 0.747
ea24 1342 1342/1342 1342 ± 0 6.248 5.386/6.626 6.058 ± 0.6107
ea25 1342 1342/1342 1342 ± 0 6.653 5.82/6.891 6.537 ± 0.7788
ea26 1342 1342/1342 1342 ± 0 6.63 6.038/7.361 6.638 ± 0.8248
ea27 1342 1342/1342 1342 ± 0 6.252 5.791/7.125 6.408 ± 0.749
ea28 1342 1342/1342 1342 ± 0 6.28 5.94/7.116 6.518 ± 0.7414
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002307 5.781 5.577/5.969 5.768 ± 0.334
3 1342 1342/1342 1342 ± 0.00002349 5.496 5.293/5.635 5.451 ± 0.3031
4 1342 1342/1342 1342 ± 0.00003718 5.422 5.269/5.727 5.376 ± 0.4546
5 1342 1342/1342 1342 ± 0.00002307 5.819 5.457/5.969 5.683 ± 0.3721
6 1342 1342/1342 1342 ± 0.00002307 5.738 5.463/5.909 5.679 ± 0.3053
7 1342 1342/1342 1342 ± 0.00002307 5.787 5.559/5.922 5.713 ± 0.316
8 1342 1342/1342 1342 ± 0.00002307 5.698 5.458/5.895 5.667 ± 0.3544
9 1342 1342/1342 1342 ± 0.00002307 6.088 5.783/6.268 5.983 ± 0.3672
10 1342 1342/1342 1342 ± 0.00002307 6.556 6.291/6.686 6.449 ± 0.3731
11 1342 1342/1342 1342 ± 0.00002307 6.78 6.558/6.98 6.697 ± 0.3927
12 1342 1342/1342 1342 ± 0.00002307 6.909 6.631/7.069 6.846 ± 0.4464
13 1342 1342/1342 1342 ± 0.00002307 7.437 7.096/7.761 7.372 ± 0.4758
14 1342 1342/1342 1342 ± 0.00002307 7.722 7.37/7.925 7.591 ± 0.4727
15 1342 1342/1342 1342 ± 0.00002307 7.163 6.878/7.5 7.116 ± 0.4813
16 1342 1342/1342 1342 ± 0.00002329 6.327 6.106/6.722 6.379 ± 0.4533
17 1342 1342/1342 1342 ± 0.00002309 6.407 6.076/6.593 6.324 ± 0.4509
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-07 17:09:03.554
End
2025-06-07 18:22:13.345
Duration
1:13:09.791
Note, WebLog generation is not included in the time.

CASA logs for stage 8