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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.443 5.059/6.209 5.524 ± 0.9202
ea02 1342 1342/1342 1342 ± 0.00002237 5.634 5.17/6.331 5.541 ± 0.9649
ea03 1342 1342/1342 1342 ± 0 5.234 5.132/6.597 5.696 ± 0.8392
ea04 1342 1342/1342 1342 ± 0.00004637 5.082 4.876/5.959 5.207 ± 0.7052
ea05 1342 1342/1342 1342 ± 0.00004902 5.245 4.995/6.243 5.433 ± 0.8229
ea06 1342 1342/1342 1342 ± 0.00001795 4.857 4.696/5.852 5.216 ± 0.7799
ea07 1342 1342/1342 1342 ± 0.00002449 5.049 4.883/6.163 5.317 ± 0.9641
ea08 1342 1342/1342 1342 ± 0 5.732 5.267/6.656 5.845 ± 0.8757
ea09 1342 1342/1342 1342 ± 0.00004644 4.982 4.713/5.904 5.13 ± 0.717
ea10 1342 1342/1342 1342 ± 0.00004673 4.905 4.079/5.858 4.95 ± 0.8577
ea11 1342 1342/1342 1342 ± 0.00005234 5.111 4.435/6.212 5.163 ± 0.9301
ea12 1342 1342/1342 1342 ± 0.00004307 5.091 4.907/5.815 5.216 ± 0.7358
ea14 1342 1342/1342 1342 ± 0.00004805 5.402 5.16/6.312 5.487 ± 0.8142
ea15 1342 1342/1342 1342 ± 0.00005196 5.199 4.761/6.384 5.407 ± 0.958
ea16 1342 1342/1342 1342 ± 0.00001949 5.696 5.17/6.578 5.823 ± 0.803
ea17 1342 1342/1342 1342 ± 0.00002562 5.451 5.144/6.367 5.628 ± 0.9434
ea18 1342 1342/1342 1342 ± 0 5.704 5.373/6.788 5.948 ± 0.86
ea19 1342 1342/1342 1342 ± 0.00004174 5.306 5.138/6.194 5.514 ± 0.7873
ea21 1342 1342/1342 1342 ± 0.000005304 4.895 4.791/5.774 5.154 ± 0.7052
ea22 1342 1342/1342 1342 ± 0.00001894 5.544 4.955/6.299 5.521 ± 0.8658
ea23 1342 1342/1342 1342 ± 0.00004746 5.449 5.05/6.255 5.521 ± 0.8761
ea24 1342 1342/1342 1342 ± 0.00001175 5.149 4.97/6.167 5.465 ± 0.7632
ea25 1342 1342/1342 1342 ± 0.00001259 5.399 5.354/6.795 5.961 ± 0.9996
ea27 1342 1342/1342 1342 ± 0.000003746 5.208 4.907/6.289 5.474 ± 0.7568
ea28 1342 1342/1342 1342 ± 0.000008612 5.583 5.488/6.688 5.861 ± 0.8255
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 5.045 4.909/5.134 4.99 ± 0.2837
4 1342 1342/1342 1342 ± 0.00006046 3.496 3.392/3.682 3.525 ± 0.2097
5 1342 1342/1342 1342 ± 0.0000263 5.063 4.795/5.367 5.071 ± 0.3442
6 1342 1342/1342 1342 ± 0.00002392 5.143 4.907/5.393 5.129 ± 0.271
7 1342 1342/1342 1342 ± 0.00002392 5.186 5.01/5.294 5.162 ± 0.2332
8 1342 1342/1342 1342 ± 0.00002392 5.119 4.969/5.259 5.112 ± 0.2582
9 1342 1342/1342 1342 ± 0.00002392 5.452 5.322/5.652 5.445 ± 0.2756
10 1342 1342/1342 1342 ± 0.00002392 5.998 5.829/6.136 5.962 ± 0.2684
11 1342 1342/1342 1342 ± 0.00002392 6.289 6.162/6.363 6.244 ± 0.2668
12 1342 1342/1342 1342 ± 0.00002392 6.387 6.205/6.582 6.401 ± 0.3118
13 1342 1342/1342 1342 ± 0.00002392 6.661 6.336/7.044 6.686 ± 0.3618
14 1342 1342/1342 1342 ± 0.0000521 5.913 5.554/6.318 6.018 ± 0.6313
15 1342 1342/1342 1342 ± 0.00002392 6.575 6.242/6.909 6.586 ± 0.3855
16 1342 1342/1342 1342 ± 0.00006098 4.18 3.916/4.62 4.282 ± 0.4356
17 1342 1342/1342 1342 ± 0.00006086 4.145 3.965/4.47 4.239 ± 0.3665
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-22 18:33:17.108
End
2025-07-22 19:23:37.967
Duration
0:50:20.859
Note, WebLog generation is not included in the time.

CASA logs for stage 8