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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.084 5.022/5.732 5.07 ± 0.9537
ea02 1342 1342/1342 1342 ± 0.00004327 5.601 5.154/6.239 5.415 ± 1.085
ea04 1342 1342/1342 1342 ± 0.000026 5.189 4.869/5.855 5.11 ± 0.9544
ea05 1342 1342/1342 1342 ± 0.00000359 5.405 4.955/6.086 5.39 ± 0.8317
ea06 1342 1342/1342 1342 ± 0.00004172 5.524 4.074/5.733 4.794 ± 1.083
ea07 1342 1342/1342 1342 ± 0.00004358 5.464 5.147/5.872 5.272 ± 0.9595
ea08 1342 1342/1342 1342 ± 0.00004502 5.635 5.287/6.473 5.544 ± 1.183
ea09 1342 1342/1342 1342 ± 0.000004712 5.157 5.006/5.993 5.24 ± 0.8759
ea10 1342 1342/1342 1342 ± 0.0000448 5.128 4.88/6.12 5.16 ± 0.9902
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004151 5.412 5.075/6.328 5.413 ± 1.114
ea13 1342 1342/1342 1342 ± 0.00001543 5.659 5.171/6.127 5.522 ± 0.9197
ea14 1342 1342/1342 1342 ± 0.00000178 5.404 5.086/6.306 5.368 ± 1.044
ea15 1342 1342/1342 1342 ± 0.000009165 5.175 5.032/6.042 5.335 ± 1.03
ea16 1342 1342/1342 1342 ± 0.00001926 5.591 5.205/6.068 5.388 ± 1.044
ea17 1342 1342/1342 1342 ± 0.00004607 5.596 5.264/6.32 5.506 ± 1.113
ea18 1342 1342/1342 1342 ± 0.00004404 4.713 4.525/5.541 4.745 ± 0.8629
ea19 1342 1342/1342 1342 ± 0 5.505 5.234/6.349 5.58 ± 0.9012
ea20 1342 1342/1342 1342 ± 0.0000426 5.541 5.467/6.775 5.688 ± 1.206
ea21 1342 1342/1342 1342 ± 0.000009569 5.257 5.098/5.994 5.246 ± 0.8807
ea22 1342 1342/1342 1342 ± 0.00003992 5.349 5.04/6.191 5.347 ± 1.006
ea23 1342 1342/1342 1342 ± 0.0000428 5.318 5.099/6.147 5.371 ± 1.059
ea25 1342 1342/1342 1342 ± 0.00004448 5.143 4.984/5.958 5.169 ± 0.965
ea27 1342 1342/1342 1342 ± 0.00004607 5.225 4.956/6.212 5.198 ± 1.03
ea28 1342 1342/1342 1342 ± 0.00004601 5.348 5.188/6.235 5.322 ± 1.08
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 ± 0.00002456 5.211 5.056/5.442 5.179 ± 0.3109
5 1342 1342/1342 1342 ± 0.0000256 5.13 5.013/5.326 5.183 ± 0.2629
6 1342 1342/1342 1342 ± 0.00002487 5.196 5.081/5.274 5.143 ± 0.2756
7 1342 1342/1342 1342 ± 0.00002456 5.125 4.969/5.201 5.066 ± 0.284
8 1342 1342/1342 1342 ± 0.00002487 5.131 4.954/5.26 5.105 ± 0.2523
9 1342 1342/1342 1342 ± 0.00002487 5.333 5.214/5.512 5.314 ± 0.2995
10 1342 1342/1342 1342 ± 0.00002455 5.843 5.715/5.916 5.798 ± 0.2858
11 1342 1342/1342 1342 ± 0.00002455 6.1 5.967/6.242 6.075 ± 0.2881
12 1342 1342/1342 1342 ± 0.00002455 6.327 6.074/6.413 6.251 ± 0.2999
13 1342 1342/1342 1342 ± 0.00002493 6.327 6.157/6.53 6.339 ± 0.3204
14 1342 1342/1342 1342 ± 0.00004136 5.762 5.536/6.226 5.889 ± 0.5184
15 1342 1342/1342 1342 ± 0.00002455 6.565 6.268/6.723 6.473 ± 0.3887
16 1342 1342/1342 1342 ± 0.00005811 3.16 2.981/3.396 3.206 ± 0.3214
17 1342 1342/1342 1342 ± 0.00005932 3.172 3.026/3.399 3.235 ± 0.3047
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
datacolumn
residual_data
Start time
2025-01-08 02:37:51.750
End
2025-01-08 02:59:36.563
Duration
0:21:44.813
Note, WebLog generation is not included in the time.

CASA logs for stage 8