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

Statwt Summary Plot

VLASS2.2.sb40233904.eb40478968.59488.05569084491_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 6.194 5.885/6.878 6.396 ± 0.6243
ea02 1342 1342/1342 1342 ± 0 6.354 5.97/7.109 6.501 ± 0.7068
ea03 1342 1342/1342 1342 ± 0 5.564 5.28/6.787 5.911 ± 0.7714
ea04 1342 1342/1342 1342 ± 0 6.048 5.524/6.833 6.177 ± 0.7042
ea06 1342 1342/1342 1342 ± 0 6.599 5.715/6.798 6.35 ± 0.6874
ea07 1342 1342/1342 1342 ± 0 6.142 5.498/6.293 6.077 ± 0.5542
ea08 1342 1342/1342 1342 ± 0 6.341 5.882/7.134 6.571 ± 0.6684
ea09 1342 1342/1342 1342 ± 0 6.224 5.658/7.048 6.29 ± 0.7132
ea10 1342 1342/1342 1342 ± 0 6.206 5.656/6.92 6.321 ± 0.6436
ea11 1342 1342/1342 1342 ± 0 6.493 5.758/7.165 6.546 ± 0.7734
ea12 1342 1342/1342 1342 ± 0 6.399 5.817/7.046 6.516 ± 0.7261
ea13 1342 1342/1342 1342 ± 0 6.326 5.992/6.912 6.525 ± 0.585
ea14 1342 1342/1342 1342 ± 0 6.505 5.738/6.961 6.437 ± 0.7644
ea15 1342 1342/1342 1342 ± 0 6.346 5.635/6.827 6.302 ± 0.756
ea16 1342 1342/1342 1342 ± 0 6.484 5.91/6.971 6.528 ± 0.7082
ea17 1342 1342/1342 1342 ± 0 6.769 6.326/7.784 7.007 ± 0.7358
ea18 1342 1342/1342 1342 ± 0 5.068 4.704/5.463 5.086 ± 0.4749
ea19 1342 1342/1342 1342 ± 0 6.733 6.005/7.262 6.674 ± 0.7203
ea20 1342 1342/1342 1342 ± 0 6.348 5.877/7.256 6.498 ± 0.7126
ea21 1342 1342/1342 1342 ± 0 6.264 5.748/6.852 6.359 ± 0.6512
ea22 1342 1342/1342 1342 ± 0 6.686 5.785/7.096 6.53 ± 0.7377
ea23 1342 1342/1342 1342 ± 0 6.465 5.968/7.026 6.593 ± 0.7542
ea24 1342 1342/1342 1342 ± 0 6.319 5.504/6.883 6.186 ± 0.6815
ea25 1342 1342/1342 1342 ± 0 6.385 5.504/6.78 6.283 ± 0.7926
ea26 1342 1342/1342 1342 ± 0 6.543 5.899/7.272 6.549 ± 0.7137
ea27 1342 1342/1342 1342 ± 0 6.147 5.731/7.167 6.408 ± 0.7384
ea28 1342 1342/1342 1342 ± 0 6.185 5.827/7.008 6.44 ± 0.7036
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 ± 0.00002305 5.73 5.629/5.858 5.699 ± 0.3121
4 1342 1342/1342 1342 ± 0.00002365 5.637 5.32/5.703 5.534 ± 0.4169
5 1342 1342/1342 1342 ± 0.00002305 5.787 5.514/5.958 5.739 ± 0.3601
6 1342 1342/1342 1342 ± 0.00002305 5.697 5.588/5.898 5.702 ± 0.3158
7 1342 1342/1342 1342 ± 0.00002305 5.775 5.577/5.955 5.753 ± 0.3023
8 1342 1342/1342 1342 ± 0.00002305 5.748 5.497/5.911 5.718 ± 0.3246
9 1342 1342/1342 1342 ± 0.00002305 6.059 5.933/6.22 6.036 ± 0.3475
10 1342 1342/1342 1342 ± 0.00002305 6.569 6.352/6.728 6.512 ± 0.361
11 1342 1342/1342 1342 ± 0.00002305 6.843 6.628/6.975 6.753 ± 0.374
12 1342 1342/1342 1342 ± 0.00002305 6.974 6.793/7.109 6.913 ± 0.4017
13 1342 1342/1342 1342 ± 0.00002305 7.459 7.231/7.629 7.412 ± 0.4222
14 1342 1342/1342 1342 ± 0.00002305 7.73 7.496/7.854 7.631 ± 0.4213
15 1342 1342/1342 1342 ± 0.00002305 7.316 7.144/7.488 7.249 ± 0.3953
16 1342 1342/1342 1342 ± 0.00002305 6.487 6.309/6.751 6.481 ± 0.4144
17 1342 1342/1342 1342 ± 0.00002305 6.467 6.221/6.713 6.415 ± 0.4079
vis
VLASS2.2.sb40233904.eb40478968.59488.05569084491_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-05-14 20:51:29.586
End
2025-05-14 21:46:17.878
Duration
0:54:48.292
Note, WebLog generation is not included in the time.

CASA logs for stage 8