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

Statwt Summary Plot

VLASS2.1.sb38487128.eb38624732.59090.114586261574_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 5.355 5.26/6.075 5.647 ± 0.556
ea02 1342 1342/1342 1342 ± 0.0000415 5.816 5.354/6.611 5.98 ± 0.7348
ea04 1342 1342/1342 1342 ± 0.00002265 5.365 5.18/6.098 5.604 ± 0.5619
ea05 1342 1342/1342 1342 ± 0 5.585 5.326/6.469 5.824 ± 0.6076
ea06 1342 1342/1342 1342 ± 0 5.235 4.851/5.392 5.095 ± 0.4697
ea07 1342 1342/1342 1342 ± 0.00002997 5.823 5.424/6.278 5.967 ± 0.6482
ea08 1342 1342/1342 1342 ± 0.00004086 5.824 5.508/6.711 6.116 ± 0.7109
ea09 1342 1342/1342 1342 ± 0.00002915 5.488 5.172/6.492 5.753 ± 0.6881
ea10 1342 1342/1342 1342 ± 0.00004086 5.522 5.244/6.656 5.884 ± 0.7184
ea11 1342 1342/1342 1342 ± 0.00000456 5.447 5.108/6.345 5.683 ± 0.7367
ea12 1342 1342/1342 1342 ± 0 5.589 5.339/6.538 5.883 ± 0.7109
ea13 1342 1342/1342 1342 ± 0.00001829 5.867 5.759/6.399 6.098 ± 0.5883
ea14 1342 1342/1342 1342 ± 0 5.676 5.499/6.54 5.949 ± 0.6651
ea15 1342 1342/1342 1342 ± 0 5.381 5.06/6.15 5.611 ± 0.6776
ea16 1342 1342/1342 1342 ± 0.000002151 5.965 5.708/6.858 6.259 ± 0.7306
ea17 1342 1342/1342 1342 ± 0.00004086 5.793 5.534/6.943 6.021 ± 0.7123
ea18 1342 1342/1342 1342 ± 0.000002634 4.891 4.657/5.665 5.089 ± 0.5274
ea19 1342 1342/1342 1342 ± 0 5.799 5.525/6.713 6.089 ± 0.6285
ea20 1342 1342/1342 1342 ± 0 5.871 5.625/6.731 6.099 ± 0.7421
ea21 1342 1342/1342 1342 ± 0.000002634 5.584 5.364/6.344 5.826 ± 0.5877
ea22 1342 1342/1342 1342 ± 0.00003497 5.414 5.191/6.435 5.72 ± 0.7104
ea23 1342 1342/1342 1342 ± 0.00001539 5.615 5.538/6.657 6.078 ± 0.7305
ea25 1342 1342/1342 1342 ± 0.00002472 5.271 5.135/6.246 5.579 ± 0.6884
ea26 1342 1342/1342 1342 ± 0.000006792 5.759 5.544/6.896 6.14 ± 0.7224
ea27 1342 1342/1342 1342 ± 0.00004086 5.404 5.137/6.444 5.704 ± 0.6618
ea28 1342 1342/1342 1342 ± 0.00004086 5.64 5.352/6.538 5.9 ± 0.6827
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 ± 0.00002392 5.521 5.315/5.751 5.512 ± 0.244
3 1342 1342/1342 1342 ± 0.00002392 5.528 5.334/5.662 5.492 ± 0.2637
4 1342 1342/1342 1342 ± 0.00002543 5.324 5.037/5.486 5.264 ± 0.3233
5 1342 1342/1342 1342 ± 0.00002392 5.464 5.226/5.566 5.415 ± 0.2999
6 1342 1342/1342 1342 ± 0.00002392 5.339 5.191/5.469 5.327 ± 0.2606
7 1342 1342/1342 1342 ± 0.00002392 5.354 5.227/5.506 5.364 ± 0.2397
8 1342 1342/1342 1342 ± 0.00002392 5.389 5.143/5.495 5.348 ± 0.2389
9 1342 1342/1342 1342 ± 0.00002392 5.717 5.468/5.875 5.633 ± 0.2875
10 1342 1342/1342 1342 ± 0.00002348 6.06 5.899/6.239 6.016 ± 0.3271
11 1342 1342/1342 1342 ± 0.00002348 6.308 6.194/6.456 6.261 ± 0.3403
12 1342 1342/1342 1342 ± 0.00002348 6.501 6.285/6.659 6.442 ± 0.3666
13 1342 1342/1342 1342 ± 0.00002348 6.913 6.744/7.148 6.875 ± 0.3971
14 1342 1342/1342 1342 ± 0.00002348 7.102 6.91/7.357 7.072 ± 0.4446
15 1342 1342/1342 1342 ± 0.00002348 6.851 6.511/7.015 6.728 ± 0.4976
16 1342 1342/1342 1342 ± 0.00005883 5.166 4.953/5.434 5.162 ± 0.397
17 1342 1342/1342 1342 ± 0.00005828 5.196 5.028/5.407 5.19 ± 0.3502
overwrite_modelcol
False
vis
VLASS2.1.sb38487128.eb38624732.59090.114586261574_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-05-01 03:20:53.165
End
2024-05-01 03:52:54.253
Duration
0:32:01.089
Note, WebLog generation is not included in the time.

CASA logs for stage 7