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

Statwt Summary Plot

VLASS3.2.sb45661340.eb45880388.60435.82083380787_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 6.292 5.672/6.691 6.249 ± 0.6377
ea02 1342 1342/1342 1342 ± 0 6.392 5.75/6.539 6.299 ± 0.6126
ea03 1342 1342/1342 1342 ± 0 6.169 5.447/6.811 6.2 ± 0.7341
ea04 1342 1342/1342 1342 ± 0 5.598 5.034/6.003 5.627 ± 0.5426
ea05 1342 1342/1342 1342 ± 0.00001329 6.047 5.469/6.747 6.081 ± 0.6673
ea06 1342 1342/1342 1342 ± 0 6.002 5.085/6.075 5.737 ± 0.6257
ea07 1342 1342/1342 1342 ± 0 6.127 5.299/6.321 5.964 ± 0.6847
ea08 1342 1342/1342 1342 ± 0 6.494 5.715/6.895 6.44 ± 0.6607
ea09 1342 1342/1342 1342 ± 0 5.865 5.302/6.587 5.972 ± 0.6404
ea10 1342 1342/1342 1342 ± 0 5.608 5.094/6.077 5.619 ± 0.5564
ea11 1342 1342/1342 1342 ± 0.00001593 5.552 5.266/6.364 5.781 ± 0.6515
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.973 5.581/6.363 6.021 ± 0.5108
ea14 1342 1342/1342 1342 ± 0 6.021 5.643/6.612 6.209 ± 0.5916
ea15 1342 1342/1342 1342 ± 0.00001675 6.288 5.668/6.735 6.275 ± 0.7125
ea16 1342 1342/1342 1342 ± 0 6.31 5.736/6.877 6.383 ± 0.7303
ea17 1342 1342/1342 1342 ± 0 6.27 5.797/7.081 6.415 ± 0.6854
ea18 1342 1342/1342 1342 ± 0 6.394 5.817/6.954 6.333 ± 0.6259
ea19 1342 1342/1342 1342 ± 0 6.142 5.468/6.641 6.069 ± 0.6168
ea20 1342 1342/1342 1342 ± 0 6.06 5.757/6.901 6.294 ± 0.6024
ea21 1342 1342/1342 1342 ± 0 5.526 5.155/6.022 5.634 ± 0.5285
ea22 1342 1342/1342 1342 ± 0 6.341 5.668/6.765 6.243 ± 0.6358
ea23 1342 1342/1342 1342 ± 0 6.314 5.536/6.477 6.189 ± 0.6753
ea24 1342 1342/1342 1342 ± 0 6.217 5.29/6.703 6.025 ± 0.6649
ea25 1342 1342/1342 1342 ± 0 6.53 5.739/7.013 6.529 ± 0.7971
ea27 1342 1342/1342 1342 ± 0 6.106 5.411/6.607 6.03 ± 0.6564
ea28 1342 1342/1342 1342 ± 0 6.507 5.802/7.048 6.473 ± 0.6517
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 ± 0.00002349 5.542 5.375/5.725 5.531 ± 0.2624
4 1342 1342/1342 1342 ± 0.00002702 5.341 5.145/5.639 5.395 ± 0.3208
5 1342 1342/1342 1342 ± 0.00002349 5.479 5.203/5.699 5.49 ± 0.3
6 1342 1342/1342 1342 ± 0.00002349 5.486 5.147/5.643 5.439 ± 0.2951
7 1342 1342/1342 1342 ± 0.00002349 5.529 5.408/5.734 5.512 ± 0.2546
8 1342 1342/1342 1342 ± 0.00002349 5.487 5.278/5.667 5.446 ± 0.2805
9 1342 1342/1342 1342 ± 0.00002349 5.766 5.658/5.986 5.777 ± 0.277
10 1342 1342/1342 1342 ± 0.00002349 6.288 6.127/6.379 6.227 ± 0.2513
11 1342 1342/1342 1342 ± 0.00002349 6.528 6.318/6.625 6.459 ± 0.2639
12 1342 1342/1342 1342 ± 0.00002349 6.656 6.337/6.827 6.607 ± 0.318
13 1342 1342/1342 1342 ± 0.00002349 7.067 6.893/7.291 7.053 ± 0.3467
14 1342 1342/1342 1342 ± 0.00002349 7.339 7.049/7.483 7.262 ± 0.3577
15 1342 1342/1342 1342 ± 0.00002349 6.949 6.728/7.229 6.925 ± 0.3664
16 1342 1342/1342 1342 ± 0.00002731 6.261 6.042/6.545 6.271 ± 0.3652
17 1342 1342/1342 1342 ± 0.00002671 6.28 6.058/6.47 6.232 ± 0.3276
overwrite_modelcol
False
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-07-25 11:24:04.108
End
2025-07-25 12:37:10.905
Duration
1:13:06.796
Note, WebLog generation is not included in the time.

CASA logs for stage 8