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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.146 5.082/5.967 5.48 ± 0.62
ea02 1342 1342/1342 1342 ± 0.00002917 5.763 5.267/6.527 5.841 ± 0.8677
ea04 1342 1342/1342 1342 ± 0.0000342 5.281 4.842/5.909 5.286 ± 0.7391
ea05 1342 1342/1342 1342 ± 0.0000273 5.44 5.035/6.442 5.638 ± 0.9326
ea06 1342 1342/1342 1342 ± 0.00003431 4.999 4.73/5.569 5.061 ± 0.6536
ea07 1342 1342/1342 1342 ± 0.00002185 5.936 5.214/6.433 5.769 ± 0.689
ea08 1342 1342/1342 1342 ± 0.00002272 5.987 5.616/6.765 6.159 ± 0.8171
ea09 1342 1342/1342 1342 ± 0.00003114 5.607 5.065/6.405 5.561 ± 0.9317
ea10 1342 1342/1342 1342 ± 0.00002403 6.031 5.019/6.324 5.68 ± 0.7388
ea11 1342 1342/1342 1342 ± 0.0000245 5.617 5.031/6.317 5.644 ± 0.7261
ea12 1342 1342/1342 1342 ± 0.00003321 5.6 5.132/6.358 5.583 ± 0.8618
ea13 1342 1342/1342 1342 ± 0.00001975 5.744 5.491/6.266 5.845 ± 0.8831
ea14 1342 1342/1342 1342 ± 0.00003149 5.614 5.254/6.532 5.837 ± 0.9233
ea15 1342 1342/1342 1342 ± 0.00003171 5.356 5.032/6.173 5.55 ± 0.8846
ea16 1342 1342/1342 1342 ± 0.00003129 5.579 5.283/6.453 5.742 ± 0.9277
ea17 1342 1342/1342 1342 ± 0.00002738 5.854 5.43/6.788 6.018 ± 0.7871
ea18 1342 1342/1342 1342 ± 0.00002845 5.037 4.67/5.57 5.035 ± 0.5623
ea19 1342 1342/1342 1342 ± 0.00001742 5.72 5.376/6.666 5.859 ± 0.9784
ea20 1342 1342/1342 1342 ± 0.00003098 5.752 5.535/6.738 5.965 ± 0.8604
ea21 1342 1342/1342 1342 ± 0.00003092 5.472 5.242/6.269 5.653 ± 0.8554
ea22 1342 1342/1342 1342 ± 0.00003704 5.363 5.029/6.465 5.629 ± 0.9806
ea23 1342 1342/1342 1342 ± 0.00002365 5.703 5.276/6.469 5.916 ± 0.8669
ea25 1342 1342/1342 1342 ± 0.00002449 5.452 5.118/6.21 5.61 ± 0.6694
ea27 1342 1342/1342 1342 ± 0.00002454 5.357 5.129/6.247 5.589 ± 0.6763
ea28 1342 1342/1342 1342 ± 0.00002698 5.561 5.232/6.437 5.795 ± 0.7836
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 ± 0.00002412 5.285 5.128/5.568 5.331 ± 0.2647
5 1342 1342/1342 1342 ± 0.00002733 5.172 4.866/5.366 5.157 ± 0.3093
6 1342 1342/1342 1342 ± 0.00002394 5.137 5.041/5.307 5.145 ± 0.2556
7 1342 1342/1342 1342 ± 0.00002394 5.138 5.022/5.273 5.153 ± 0.2185
8 1342 1342/1342 1342 ± 0.00002394 5.184 4.962/5.334 5.151 ± 0.2518
9 1342 1342/1342 1342 ± 0.00002394 5.474 5.349/5.633 5.458 ± 0.2862
10 1342 1342/1342 1342 ± 0.00002394 5.942 5.772/6.025 5.885 ± 0.2917
11 1342 1342/1342 1342 ± 0.00002394 6.242 6.051/6.292 6.16 ± 0.3037
12 1342 1342/1342 1342 ± 0.00002394 6.397 6.202/6.467 6.34 ± 0.3159
13 1342 1342/1342 1342 ± 0.00002399 6.622 6.268/6.787 6.541 ± 0.3931
14 1342 1342/1342 1342 ± 0.00002488 6.799 6.35/7.071 6.684 ± 0.4715
15 1342 1342/1342 1342 ± 0.00002921 6.69 6.485/6.962 6.64 ± 0.4167
16 1342 1342/1342 1342 ± 0.0000494 3.639 3.507/3.767 3.639 ± 0.2103
17 1342 1342/1342 1342 ± 0.00004898 3.759 3.588/3.953 3.777 ± 0.362
datacolumn
residual_data
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-11-07 02:35:09.029
End
2024-11-07 03:38:24.247
Duration
1:03:15.218
Note, WebLog generation is not included in the time.

CASA logs for stage 8