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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.417 5.737/6.752 6.304 ± 0.7154
ea03 1342 1342/1342 1342 ± 0.00003182 5.745 5.276/6.577 5.871 ± 0.7768
ea04 1342 1342/1342 1342 ± 0 5.585 5.169/6.2 5.778 ± 0.6522
ea05 1342 1342/1342 1342 ± 0 5.943 5.65/6.899 6.189 ± 0.7549
ea06 1342 1342/1342 1342 ± 0 6.384 5.522/6.528 6.118 ± 0.6447
ea07 1342 1342/1342 1342 ± 0 5.908 5.333/6.216 5.916 ± 0.6415
ea08 1342 1342/1342 1342 ± 0.00001157 6.182 5.546/6.748 6.265 ± 0.7362
ea09 1342 1342/1342 1342 ± 0 5.948 5.462/6.732 6.153 ± 0.7572
ea10 1342 1342/1342 1342 ± 0 5.958 5.621/6.883 6.162 ± 0.6959
ea11 1342 1342/1342 1342 ± 0 6.261 5.346/6.807 6.188 ± 0.8417
ea12 1342 1342/1342 1342 ± 0 6.407 5.637/6.802 6.374 ± 0.7597
ea13 1342 1342/1342 1342 ± 0.000003941 5.935 5.807/6.449 6.131 ± 0.5189
ea14 1342 1342/1342 1342 ± 0 6.029 5.612/6.864 6.274 ± 0.7066
ea15 1342 1342/1342 1342 ± 0 5.419 4.79/5.713 5.301 ± 0.6083
ea16 1342 1342/1342 1342 ± 0 6.118 5.699/6.705 6.269 ± 0.7679
ea17 1342 1342/1342 1342 ± 0 6.428 5.927/7.475 6.617 ± 0.7864
ea18 1342 1342/1342 1342 ± 0 5.15 4.737/5.609 5.202 ± 0.5394
ea19 1342 1342/1342 1342 ± 0 6.207 5.888/7.089 6.454 ± 0.7702
ea20 1342 1342/1342 1342 ± 0 5.918 5.666/6.898 6.15 ± 0.7313
ea21 1342 1342/1342 1342 ± 0 5.607 5.404/6.461 5.857 ± 0.6394
ea22 1342 1342/1342 1342 ± 0 6.212 5.354/6.582 5.995 ± 0.7208
ea23 1342 1342/1342 1342 ± 0 6.124 5.701/6.799 6.3 ± 0.7717
ea24 1342 1342/1342 1342 ± 0 6.15 5.183/6.521 5.879 ± 0.6357
ea25 1342 1342/1342 1342 ± 0 6.193 5.614/6.684 6.306 ± 0.7612
ea26 1342 1342/1342 1342 ± 0 6.276 5.777/7.059 6.454 ± 0.8019
ea27 1342 1342/1342 1342 ± 0 5.943 5.479/7.006 6.14 ± 0.7757
ea28 1342 1342/1342 1342 ± 0 6.113 5.706/6.877 6.293 ± 0.7691
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 ± 0.00002306 5.587 5.367/5.741 5.557 ± 0.3147
3 1342 1342/1342 1342 ± 0.00002348 5.241 5.071/5.365 5.223 ± 0.2891
4 1342 1342/1342 1342 ± 0.0000283 5.196 5.016/5.432 5.205 ± 0.3639
5 1342 1342/1342 1342 ± 0.00002306 5.599 5.315/5.687 5.475 ± 0.3421
6 1342 1342/1342 1342 ± 0.00002306 5.495 5.277/5.692 5.464 ± 0.2889
7 1342 1342/1342 1342 ± 0.00002306 5.599 5.36/5.764 5.523 ± 0.3017
8 1342 1342/1342 1342 ± 0.00002306 5.528 5.291/5.745 5.493 ± 0.3388
9 1342 1342/1342 1342 ± 0.00002306 5.934 5.639/6.079 5.82 ± 0.3337
10 1342 1342/1342 1342 ± 0.00002306 6.429 6.16/6.495 6.305 ± 0.351
11 1342 1342/1342 1342 ± 0.00002306 6.599 6.445/6.799 6.552 ± 0.3639
12 1342 1342/1342 1342 ± 0.00002306 6.806 6.487/6.901 6.701 ± 0.4145
13 1342 1342/1342 1342 ± 0.00002306 7.279 6.895/7.572 7.202 ± 0.4394
14 1342 1342/1342 1342 ± 0.00002306 7.535 7.193/7.741 7.414 ± 0.4334
15 1342 1342/1342 1342 ± 0.00002306 7.094 6.769/7.27 6.993 ± 0.4077
16 1342 1342/1342 1342 ± 0.00002524 6.283 5.915/6.482 6.261 ± 0.394
17 1342 1342/1342 1342 ± 0.00002441 6.2 5.95/6.507 6.201 ± 0.3996
statwtmode
VLASS-SE
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
Start time
2025-06-07 19:11:34.109
End
2025-06-07 20:13:40.391
Duration
1:02:06.282
Note, WebLog generation is not included in the time.

CASA logs for stage 8