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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.572 5.109/6.263 5.484 ± 1.013
ea02 1342 1342/1342 1342 ± 0.00003265 5.584 5.33/6.478 5.622 ± 0.9729
ea03 1342 1342/1342 1342 ± 0.000002269 5.458 5.278/6.45 5.698 ± 0.7527
ea04 1342 1342/1342 1342 ± 0.00004455 5.21 5.049/6.075 5.254 ± 0.787
ea05 1342 1342/1342 1342 ± 0.00005059 5.41 4.881/6.488 5.451 ± 0.9912
ea06 1342 1342/1342 1342 ± 0.00002875 5.087 4.845/6.034 5.234 ± 0.8249
ea07 1342 1342/1342 1342 ± 0.00004134 5.238 5.08/6.346 5.467 ± 0.9526
ea08 1342 1342/1342 1342 ± 0.00001036 5.814 5.526/6.834 5.865 ± 1.054
ea09 1342 1342/1342 1342 ± 0.00004707 5.142 4.782/6.106 5.184 ± 0.8757
ea10 1342 1342/1342 1342 ± 0.0000449 5.078 4.682/5.994 5.079 ± 0.8508
ea11 1342 1342/1342 1342 ± 0.00005178 5.277 4.554/6.095 5.102 ± 0.9821
ea13 1342 1342/1342 1342 ± 0.00001521 5.324 5.123/6.059 5.411 ± 0.6017
ea14 1342 1342/1342 1342 ± 0.00004864 5.536 5.231/6.548 5.573 ± 0.9638
ea15 1342 1342/1342 1342 ± 0.0000503 5.564 5.062/6.645 5.582 ± 1.028
ea16 1342 1342/1342 1342 ± 0.00002466 5.766 5.399/6.574 5.765 ± 0.9697
ea17 1342 1342/1342 1342 ± 0.00004188 5.76 5.362/6.693 5.772 ± 1.069
ea18 1342 1342/1342 1342 ± 0.00001036 5.853 5.62/6.877 5.957 ± 1.042
ea19 1342 1342/1342 1342 ± 0.00004134 5.525 5.338/6.465 5.505 ± 0.9891
ea20 1342 1342/1342 1342 ± 0.0000325 5.425 5.31/6.141 5.534 ± 0.7035
ea21 1342 1342/1342 1342 ± 0.000005397 5.08 4.906/5.757 5.197 ± 0.599
ea22 1342 1342/1342 1342 ± 0.00002201 5.723 5.282/6.561 5.693 ± 0.997
ea23 1342 1342/1342 1342 ± 0.00004667 5.645 5.178/6.427 5.58 ± 0.9662
ea24 1342 1342/1342 1342 ± 0.000003039 4.953 4.877/6.099 5.338 ± 0.6758
ea25 1342 1342/1342 1342 ± 0.00001159 5.716 5.41/6.944 6.014 ± 0.8795
ea27 1342 1342/1342 1342 ± 0.00001897 5.3 5.039/6.402 5.431 ± 0.9251
ea28 1342 1342/1342 1342 ± 0 5.621 5.524/6.421 5.801 ± 0.749
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 ± 0.00002348 5.322 5.068/5.441 5.256 ± 0.2742
5 1342 1342/1342 1342 ± 0.00003093 5.212 4.882/5.468 5.202 ± 0.3722
6 1342 1342/1342 1342 ± 0.00002348 5.312 5.077/5.528 5.298 ± 0.2764
7 1342 1342/1342 1342 ± 0.00002348 5.35 5.155/5.52 5.315 ± 0.2579
8 1342 1342/1342 1342 ± 0.00002348 5.352 5.098/5.53 5.312 ± 0.2848
9 1342 1342/1342 1342 ± 0.00002348 5.553 5.306/5.823 5.547 ± 0.32
10 1342 1342/1342 1342 ± 0.00002392 6.141 6.018/6.306 6.13 ± 0.2811
11 1342 1342/1342 1342 ± 0.00002348 6.472 6.143/6.572 6.403 ± 0.2696
12 1342 1342/1342 1342 ± 0.00002348 6.622 6.39/6.831 6.567 ± 0.3229
13 1342 1342/1342 1342 ± 0.00002355 6.706 6.328/6.957 6.665 ± 0.4108
14 1342 1342/1342 1342 ± 0.00005426 5.127 4.627/5.71 5.213 ± 0.7158
15 1342 1342/1342 1342 ± 0.00002348 6.68 6.125/7.001 6.574 ± 0.5183
16 1342 1342/1342 1342 ± 0.00006084 3.83 3.697/4.241 3.979 ± 0.424
17 1342 1342/1342 1342 ± 0.00006098 3.749 3.599/4.061 3.839 ± 0.3447
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-07-19 08:40:36.914
End
2025-07-19 09:30:06.460
Duration
0:49:29.546
Note, WebLog generation is not included in the time.

CASA logs for stage 8