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

Statwt Summary Plot

VLASS3.2.sb45460397.eb46168936.60474.13114186343_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 5.427 5.08/6.209 5.595 ± 0.8544
ea02 1342 1342/1342 1342 ± 0.00002543 5.582 5.179/6.317 5.572 ± 0.9114
ea03 1342 1342/1342 1342 ± 0.000002256 5.24 5.117/6.584 5.745 ± 0.781
ea04 1342 1342/1342 1342 ± 0.00004444 5.074 4.859/5.95 5.223 ± 0.7074
ea05 1342 1342/1342 1342 ± 0.00004758 5.347 4.997/6.234 5.45 ± 0.8176
ea06 1342 1342/1342 1342 ± 0.00001909 4.85 4.775/5.86 5.26 ± 0.7401
ea07 1342 1342/1342 1342 ± 0.00003113 5.071 4.967/6.261 5.457 ± 0.9455
ea08 1342 1342/1342 1342 ± 0 5.71 5.264/6.644 5.842 ± 0.8736
ea09 1342 1342/1342 1342 ± 0.00004503 4.976 4.711/5.886 5.153 ± 0.7054
ea10 1342 1342/1342 1342 ± 0.00004612 4.896 4.442/5.863 4.996 ± 0.8224
ea11 1342 1342/1342 1342 ± 0.00004866 5.118 4.48/6.182 5.205 ± 0.8877
ea12 1342 1342/1342 1342 ± 0.00004272 5.111 4.891/5.818 5.246 ± 0.7236
ea14 1342 1342/1342 1342 ± 0.00004734 5.458 5.228/6.323 5.527 ± 0.7915
ea15 1342 1342/1342 1342 ± 0.00004814 5.177 5.118/6.355 5.476 ± 0.9002
ea16 1342 1342/1342 1342 ± 0.00001971 5.654 5.165/6.569 5.825 ± 0.7959
ea17 1342 1342/1342 1342 ± 0.00003339 5.463 5.103/6.357 5.643 ± 0.9216
ea18 1342 1342/1342 1342 ± 0 5.672 5.379/6.744 5.915 ± 0.8413
ea19 1342 1342/1342 1342 ± 0.00003961 5.291 5.118/6.178 5.524 ± 0.7739
ea21 1342 1342/1342 1342 ± 0.000006573 4.893 4.805/5.777 5.189 ± 0.6599
ea22 1342 1342/1342 1342 ± 0.00001786 5.538 5.027/6.32 5.577 ± 0.8308
ea23 1342 1342/1342 1342 ± 0.00004711 5.46 5.04/6.237 5.534 ± 0.8502
ea24 1342 1342/1342 1342 ± 0.00001606 5.164 4.985/6.273 5.539 ± 0.7463
ea25 1342 1342/1342 1342 ± 0.00001236 5.535 5.321/6.774 6.007 ± 0.944
ea27 1342 1342/1342 1342 ± 0.00001416 5.204 4.915/6.287 5.491 ± 0.7576
ea28 1342 1342/1342 1342 ± 0.00001728 5.565 5.481/6.684 5.878 ± 0.844
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 ± 0.00002392 5.032 4.912/5.129 4.989 ± 0.289
4 1342 1342/1342 1342 ± 0.00005826 3.487 3.388/3.731 3.549 ± 0.2131
5 1342 1342/1342 1342 ± 0.00002446 5.064 4.789/5.306 5.059 ± 0.3279
6 1342 1342/1342 1342 ± 0.00002392 5.116 4.894/5.385 5.115 ± 0.2677
7 1342 1342/1342 1342 ± 0.00002392 5.172 4.994/5.296 5.151 ± 0.2279
8 1342 1342/1342 1342 ± 0.00002392 5.114 4.981/5.258 5.104 ± 0.2542
9 1342 1342/1342 1342 ± 0.00002392 5.433 5.305/5.653 5.437 ± 0.2714
10 1342 1342/1342 1342 ± 0.00002392 6.01 5.822/6.13 5.963 ± 0.2673
11 1342 1342/1342 1342 ± 0.00002392 6.284 6.175/6.366 6.244 ± 0.2659
12 1342 1342/1342 1342 ± 0.00002392 6.399 6.18/6.574 6.403 ± 0.3106
13 1342 1342/1342 1342 ± 0.00002399 6.672 6.363/7.039 6.701 ± 0.3539
14 1342 1342/1342 1342 ± 0.00004853 6.047 5.707/6.373 6.12 ± 0.573
15 1342 1342/1342 1342 ± 0.00002392 6.593 6.257/6.945 6.593 ± 0.3873
16 1342 1342/1342 1342 ± 0.00006097 4.284 4.018/4.692 4.365 ± 0.4178
17 1342 1342/1342 1342 ± 0.00006102 4.218 4.024/4.514 4.303 ± 0.3731
output_dir
 
vis
VLASS3.2.sb45460397.eb46168936.60474.13114186343_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-22 20:43:22.748
End
2025-07-22 21:56:14.708
Duration
1:12:51.961
Note, WebLog generation is not included in the time.

CASA logs for stage 8