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 6.119 5.505/6.556 6.055 ± 0.6461
ea02 1342 1342/1342 1342 ± 0.000004853 6.269 5.592/6.461 6.165 ± 0.6118
ea03 1342 1342/1342 1342 ± 0 6.095 5.362/6.678 6.096 ± 0.7209
ea04 1342 1342/1342 1342 ± 0.000009416 5.656 5.198/6.038 5.659 ± 0.5482
ea05 1342 1342/1342 1342 ± 0.00002158 5.834 5.327/6.635 5.95 ± 0.6732
ea06 1342 1342/1342 1342 ± 0 5.935 5.022/6.072 5.664 ± 0.6406
ea07 1342 1342/1342 1342 ± 0 6.019 5.221/6.271 5.873 ± 0.656
ea08 1342 1342/1342 1342 ± 0 6.464 5.733/6.831 6.39 ± 0.6436
ea09 1342 1342/1342 1342 ± 0.00001766 5.709 5.169/6.442 5.795 ± 0.6267
ea10 1342 1342/1342 1342 ± 0 5.468 4.991/5.972 5.487 ± 0.5482
ea11 1342 1342/1342 1342 ± 0.00002495 5.342 5.098/6.194 5.595 ± 0.6735
ea12 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea13 1342 1342/1342 1342 ± 0 5.594 5.369/6.158 5.78 ± 0.4906
ea14 1342 1342/1342 1342 ± 0 5.811 5.435/6.37 5.995 ± 0.5259
ea15 1342 1342/1342 1342 ± 0.00002161 6.035 5.54/6.569 6.101 ± 0.7135
ea16 1342 1342/1342 1342 ± 0 6.178 5.611/6.723 6.204 ± 0.7175
ea17 1342 1342/1342 1342 ± 0 6.107 5.665/6.901 6.218 ± 0.6409
ea18 1342 1342/1342 1342 ± 0 6.27 5.712/6.785 6.213 ± 0.5911
ea19 1342 1342/1342 1342 ± 0 6.01 5.408/6.436 5.977 ± 0.5823
ea20 1342 1342/1342 1342 ± 0.00000483 5.782 5.511/6.621 6 ± 0.6158
ea21 1342 1342/1342 1342 ± 0 5.451 5.064/5.917 5.555 ± 0.5086
ea22 1342 1342/1342 1342 ± 0 6.296 5.608/6.753 6.186 ± 0.6291
ea23 1342 1342/1342 1342 ± 0 6.149 5.425/6.284 6.014 ± 0.649
ea24 1342 1342/1342 1342 ± 0 5.771 5.277/6.435 5.783 ± 0.5947
ea25 1342 1342/1342 1342 ± 0.000001253 6.414 5.592/6.815 6.353 ± 0.7731
ea27 1342 1342/1342 1342 ± 0.000001253 5.973 5.328/6.473 5.875 ± 0.6703
ea28 1342 1342/1342 1342 ± 0.000001252 6.002 5.622/6.781 6.169 ± 0.6042
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 ± 0.00002355 5.404 5.304/5.596 5.42 ± 0.2472
4 1342 1342/1342 1342 ± 0.00002471 5.257 5.033/5.533 5.289 ± 0.3245
5 1342 1342/1342 1342 ± 0.0000251 5.238 5.015/5.465 5.234 ± 0.3233
6 1342 1342/1342 1342 ± 0.00002355 5.367 5.109/5.515 5.329 ± 0.2732
7 1342 1342/1342 1342 ± 0.00002355 5.411 5.277/5.599 5.393 ± 0.2336
8 1342 1342/1342 1342 ± 0.00002355 5.377 5.141/5.535 5.335 ± 0.253
9 1342 1342/1342 1342 ± 0.00002355 5.68 5.536/5.827 5.661 ± 0.2553
10 1342 1342/1342 1342 ± 0.00002355 6.134 5.999/6.247 6.11 ± 0.2258
11 1342 1342/1342 1342 ± 0.00002355 6.368 6.165/6.476 6.32 ± 0.2458
12 1342 1342/1342 1342 ± 0.00002355 6.464 6.194/6.712 6.461 ± 0.2884
13 1342 1342/1342 1342 ± 0.0000236 6.949 6.656/7.134 6.879 ± 0.3237
14 1342 1342/1342 1342 ± 0.00002355 7.155 6.788/7.266 7.05 ± 0.3236
15 1342 1342/1342 1342 ± 0.00002355 6.765 6.473/7.067 6.756 ± 0.3539
16 1342 1342/1342 1342 ± 0.00003333 6.091 5.788/6.432 6.089 ± 0.3818
17 1342 1342/1342 1342 ± 0.00003134 6.106 5.79/6.302 6.044 ± 0.3414
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45661340.eb45880388.60435.82083380787_split_split.ms
Start time
2025-07-25 02:14:45.801
End
2025-07-25 03:12:29.392
Duration
0:57:43.591
Note, WebLog generation is not included in the time.

CASA logs for stage 8