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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.188 5.034/5.825 5.349 ± 0.6285
ea02 1342 1342/1342 1342 ± 0.00004299 5.815 5.27/6.379 5.725 ± 0.7955
ea03 1342 1342/1342 1342 ± 0.00001528 4.958 4.573/5.734 5.098 ± 0.6676
ea04 1342 1342/1342 1342 ± 0.00003292 5.204 5.015/6.037 5.333 ± 0.7675
ea05 1342 1342/1342 1342 ± 0.00002043 5.399 5.019/6.127 5.551 ± 0.6936
ea06 1342 1342/1342 1342 ± 0.00003313 4.972 4.79/5.515 5.018 ± 0.6439
ea07 1342 1342/1342 1342 ± 0.00004151 5.596 5.23/6.189 5.65 ± 0.7684
ea08 1342 1342/1342 1342 ± 0.00004229 6.001 5.492/6.705 5.968 ± 0.8705
ea09 1342 1342/1342 1342 ± 0.00002328 5.305 5.111/6.267 5.501 ± 0.7493
ea10 1342 1342/1342 1342 ± 0.0000383 5.7 5.098/6.445 5.65 ± 0.8123
ea11 1342 1342/1342 1342 ± 0.00004283 5.412 4.969/6.266 5.498 ± 0.7824
ea12 1342 1342/1342 1342 ± 0.00003607 5.361 5.133/6.335 5.553 ± 0.8364
ea13 1342 1342/1342 1342 ± 0.00002073 5.773 5.6/6.395 5.872 ± 0.7429
ea14 1342 1342/1342 1342 ± 0.00002675 5.296 5.072/6.333 5.563 ± 0.7934
ea15 1342 1342/1342 1342 ± 0.00002838 5.179 5.046/6.25 5.499 ± 0.9174
ea16 1342 1342/1342 1342 ± 0.00002186 5.863 5.426/6.708 5.907 ± 0.8968
ea17 1342 1342/1342 1342 ± 0.0000485 5.97 5.436/6.69 5.987 ± 0.8685
ea18 1342 1342/1342 1342 ± 0.00004289 4.676 4.481/5.415 4.838 ± 0.5591
ea19 1342 1342/1342 1342 ± 0.00001964 5.467 5.245/6.267 5.68 ± 0.6994
ea21 1342 1342/1342 1342 ± 0.00001814 5.514 5.258/6.271 5.616 ± 0.7212
ea22 1342 1342/1342 1342 ± 0.00003856 5.402 4.943/6.211 5.527 ± 0.7691
ea23 1342 1342/1342 1342 ± 0.00003783 5.756 5.272/6.49 5.754 ± 0.8447
ea25 1342 1342/1342 1342 ± 0.00004559 5.504 5.116/6.096 5.47 ± 0.7371
ea26 1342 1342/1342 1342 ± 0.00002858 5.638 5.439/6.742 5.853 ± 0.8392
ea27 1342 1342/1342 1342 ± 0.00004545 5.478 5.024/6.327 5.544 ± 0.7551
ea28 1342 1342/1342 1342 ± 0.00004479 5.352 5.062/6.087 5.469 ± 0.7082
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 ± 0.00002351 5.143 5.029/5.348 5.151 ± 0.239
3 1342 1342/1342 1342 ± 0.00006097 4.986 4.722/5.405 5.062 ± 0.5022
5 1342 1342/1342 1342 ± 0.00002353 5.216 5.011/5.37 5.192 ± 0.3172
6 1342 1342/1342 1342 ± 0.00002351 5.166 4.991/5.331 5.159 ± 0.2864
7 1342 1342/1342 1342 ± 0.00002351 5.163 5.102/5.305 5.203 ± 0.2491
8 1342 1342/1342 1342 ± 0.00002351 5.228 5.022/5.406 5.196 ± 0.2774
9 1342 1342/1342 1342 ± 0.00002351 5.493 5.367/5.777 5.512 ± 0.3109
10 1342 1342/1342 1342 ± 0.00002351 5.93 5.749/6.1 5.888 ± 0.3094
11 1342 1342/1342 1342 ± 0.00002351 6.216 6.071/6.366 6.17 ± 0.3063
12 1342 1342/1342 1342 ± 0.00002351 6.365 6.195/6.49 6.332 ± 0.3165
13 1342 1342/1342 1342 ± 0.00002391 6.582 6.368/6.692 6.522 ± 0.3563
14 1342 1342/1342 1342 ± 0.00003696 6.478 6.147/6.719 6.411 ± 0.4261
15 1342 1342/1342 1342 ± 0.00002859 6.516 6.289/6.762 6.484 ± 0.4513
16 1342 1342/1342 1342 ± 0.00005741 3.995 3.844/4.144 3.977 ± 0.2619
17 1342 1342/1342 1342 ± 0.00005978 4.17 3.994/4.334 4.169 ± 0.2933
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
Start time
2025-01-04 05:55:08.464
End
2025-01-04 07:01:01.167
Duration
1:05:52.702
Note, WebLog generation is not included in the time.

CASA logs for stage 8