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

Statwt Summary Plot

VLASS3.2.sb45544419.eb45877457.60435.173042256945_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 5.491 5.062/6.248 5.469 ± 1.08
ea02 1342 1342/1342 1342 ± 0.00003703 5.703 5.3/6.479 5.621 ± 1.001
ea03 1342 1342/1342 1342 ± 0.000003465 5.387 5.266/6.51 5.734 ± 0.8564
ea04 1342 1342/1342 1342 ± 0.00004972 5.089 4.748/6.013 5.145 ± 0.8381
ea05 1342 1342/1342 1342 ± 0.00005155 5.336 5.057/6.42 5.418 ± 1.019
ea06 1342 1342/1342 1342 ± 0.00002931 5.115 4.784/6.068 5.242 ± 0.8697
ea07 1342 1342/1342 1342 ± 0.00004237 5.196 5.01/6.289 5.412 ± 1.007
ea08 1342 1342/1342 1342 ± 0.00001372 5.848 5.556/6.874 5.882 ± 1.049
ea09 1342 1342/1342 1342 ± 0.00004861 5.16 4.799/6.208 5.215 ± 0.9585
ea10 1342 1342/1342 1342 ± 0.00004819 4.965 4.629/5.911 5 ± 0.8678
ea11 1342 1342/1342 1342 ± 0.00005218 5.178 4.506/6.1 5.056 ± 1.032
ea13 1342 1342/1342 1342 ± 0.00003056 5.354 5.185/6.219 5.457 ± 0.7353
ea14 1342 1342/1342 1342 ± 0.00005087 5.471 5.171/6.557 5.562 ± 1.035
ea15 1342 1342/1342 1342 ± 0.00005058 5.558 5.07/6.679 5.595 ± 1.092
ea16 1342 1342/1342 1342 ± 0.00002684 5.81 5.351/6.549 5.793 ± 1.036
ea17 1342 1342/1342 1342 ± 0.0000432 5.725 5.251/6.63 5.718 ± 1.128
ea18 1342 1342/1342 1342 ± 0.00001003 5.932 5.657/6.926 6.018 ± 1.037
ea19 1342 1342/1342 1342 ± 0.00004416 5.382 5.192/6.359 5.442 ± 0.9465
ea20 1342 1342/1342 1342 ± 0.00004135 5.346 5.126/6.21 5.433 ± 0.8425
ea21 1342 1342/1342 1342 ± 0.000006671 5.163 4.939/5.915 5.298 ± 0.6853
ea22 1342 1342/1342 1342 ± 0.00002748 5.732 5.243/6.555 5.683 ± 1.004
ea23 1342 1342/1342 1342 ± 0.00004951 5.578 5.113/6.38 5.515 ± 1.018
ea24 1342 1342/1342 1342 ± 0.00001814 5.086 4.849/6.017 5.391 ± 0.7731
ea25 1342 1342/1342 1342 ± 0.00001622 5.743 5.389/6.984 6.072 ± 1.024
ea27 1342 1342/1342 1342 ± 0.00002014 5.175 4.971/6.406 5.372 ± 0.9542
ea28 1342 1342/1342 1342 ± 0.000003465 5.646 5.593/6.77 5.85 ± 0.8689
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 ± 0.00002349 5.245 5.01/5.352 5.192 ± 0.2794
5 1342 1342/1342 1342 ± 0.00003223 5.176 4.948/5.474 5.239 ± 0.3886
6 1342 1342/1342 1342 ± 0.00002349 5.233 5.06/5.48 5.235 ± 0.2797
7 1342 1342/1342 1342 ± 0.00002349 5.32 5.091/5.51 5.284 ± 0.2648
8 1342 1342/1342 1342 ± 0.00002349 5.271 5.086/5.554 5.288 ± 0.2849
9 1342 1342/1342 1342 ± 0.00002349 5.455 5.269/5.751 5.506 ± 0.309
10 1342 1342/1342 1342 ± 0.00002392 6.165 5.972/6.281 6.116 ± 0.2937
11 1342 1342/1342 1342 ± 0.00002348 6.414 6.246/6.559 6.412 ± 0.2723
12 1342 1342/1342 1342 ± 0.00002348 6.602 6.367/6.798 6.581 ± 0.3258
13 1342 1342/1342 1342 ± 0.00002373 6.72 6.397/7.083 6.744 ± 0.4159
14 1342 1342/1342 1342 ± 0.00005758 5.217 4.856/5.844 5.411 ± 0.7574
15 1342 1342/1342 1342 ± 0.00002348 6.751 6.294/7.12 6.71 ± 0.4666
16 1342 1342/1342 1342 ± 0.00005958 3.698 3.535/4.021 3.816 ± 0.4265
17 1342 1342/1342 1342 ± 0.00005976 3.655 3.444/3.946 3.7 ± 0.3665
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
Start time
2025-07-19 11:40:05.854
End
2025-07-19 12:26:56.724
Duration
0:46:50.870
Note, WebLog generation is not included in the time.

CASA logs for stage 8