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

Statwt Summary Plot

VLASS3.2.sb45520569.eb45733624.60429.987892812496_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 6.029 5.447/6.364 5.935 ± 0.6166
ea02 1342 1342/1342 1342 ± 0 6.211 5.591/6.411 6.104 ± 0.6443
ea03 1342 1342/1342 1342 ± 0 6.107 5.421/6.736 6.101 ± 0.7354
ea04 1342 1342/1342 1342 ± 0 5.644 5.085/6.082 5.638 ± 0.5825
ea05 1342 1342/1342 1342 ± 0.000001415 5.844 5.286/6.567 5.918 ± 0.6787
ea06 1342 1342/1342 1342 ± 0 5.95 5.049/6.141 5.708 ± 0.6796
ea07 1342 1342/1342 1342 ± 0 6.081 5.17/6.254 5.885 ± 0.7054
ea08 1342 1342/1342 1342 ± 0 6.367 5.557/6.757 6.271 ± 0.6657
ea09 1342 1342/1342 1342 ± 0 5.72 5.111/6.448 5.813 ± 0.7256
ea10 1342 1342/1342 1342 ± 0 5.552 5.145/6.15 5.605 ± 0.5922
ea11 1342 1342/1342 1342 ± 0.000004925 5.436 5.123/6.24 5.634 ± 0.6585
ea12 1342 1342/1342 1342 ± 0 5.536 5.393/6.37 5.769 ± 0.6305
ea13 1342 1342/1342 1342 ± 0 6.088 5.5/6.322 5.908 ± 0.7101
ea14 1342 1342/1342 1342 ± 0.000002845 6.007 5.634/6.644 6.133 ± 0.637
ea15 1342 1342/1342 1342 ± 0.000006777 5.059 4.524/5.304 4.967 ± 0.4674
ea16 1342 1342/1342 1342 ± 0 6.234 5.654/6.746 6.203 ± 0.7311
ea17 1342 1342/1342 1342 ± 0 6.256 5.71/7.098 6.312 ± 0.7023
ea18 1342 1342/1342 1342 ± 0 6.471 5.796/7.109 6.393 ± 0.7147
ea19 1342 1342/1342 1342 ± 0 5.908 5.462/6.675 6.01 ± 0.6743
ea20 1342 1342/1342 1342 ± 0 6.335 5.589/6.765 6.177 ± 0.6416
ea21 1342 1342/1342 1342 ± 0 5.535 5.147/6.009 5.61 ± 0.5464
ea22 1342 1342/1342 1342 ± 0 6.453 5.684/6.947 6.304 ± 0.7339
ea23 1342 1342/1342 1342 ± 0 5.958 5.515/6.46 6.072 ± 0.6796
ea24 1342 1342/1342 1342 ± 0 6.107 5.291/6.489 5.918 ± 0.6148
ea25 1342 1342/1342 1342 ± 0 6.522 5.678/6.921 6.453 ± 0.81
ea27 1342 1342/1342 1342 ± 0 5.766 5.298/6.514 5.86 ± 0.6513
ea28 1342 1342/1342 1342 ± 0 6.35 5.675/6.954 6.348 ± 0.6852
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 5.462 5.279/5.637 5.463 ± 0.2763
3 1342 1342/1342 1342 ± 0.00002374 5.043 4.849/5.236 5.028 ± 0.3097
4 1342 1342/1342 1342 ± 0.0000275 5.217 4.991/5.568 5.262 ± 0.3781
5 1342 1342/1342 1342 ± 0.00002306 5.398 5.102/5.557 5.338 ± 0.3375
6 1342 1342/1342 1342 ± 0.00002306 5.302 5.111/5.569 5.305 ± 0.3248
7 1342 1342/1342 1342 ± 0.00002306 5.477 5.22/5.6 5.405 ± 0.2817
8 1342 1342/1342 1342 ± 0.00002306 5.385 5.159/5.587 5.355 ± 0.3019
9 1342 1342/1342 1342 ± 0.00002306 5.676 5.533/5.919 5.676 ± 0.3324
10 1342 1342/1342 1342 ± 0.00002306 6.184 6.033/6.334 6.14 ± 0.3165
11 1342 1342/1342 1342 ± 0.00002306 6.4 6.147/6.597 6.346 ± 0.3246
12 1342 1342/1342 1342 ± 0.00002306 6.491 6.259/6.749 6.503 ± 0.3839
13 1342 1342/1342 1342 ± 0.00002306 7.023 6.655/7.222 6.945 ± 0.3955
14 1342 1342/1342 1342 ± 0.00002306 7.204 6.937/7.441 7.14 ± 0.4168
15 1342 1342/1342 1342 ± 0.00002306 6.878 6.582/7.12 6.791 ± 0.4245
16 1342 1342/1342 1342 ± 0.00002358 6.19 5.786/6.408 6.14 ± 0.4295
17 1342 1342/1342 1342 ± 0.0000232 6.21 5.948/6.378 6.097 ± 0.4191
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS3.2.sb45520569.eb45733624.60429.987892812496_split_split.ms
Start time
2025-07-18 02:14:35.686
End
2025-07-18 02:54:15.279
Duration
0:39:39.593
Note, WebLog generation is not included in the time.

CASA logs for stage 8