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

Statwt Summary Plot

VLASS3.2.sb45458712.eb46169388.60476.06293818287_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 5.389 5.195/6.435 5.754 ± 0.7229
ea02 1342 1342/1342 1342 ± 0.00004306 5.717 5.284/6.442 5.813 ± 0.6549
ea03 1342 1342/1342 1342 ± 0.000003847 5.151 4.946/6.377 5.615 ± 0.7928
ea04 1342 1342/1342 1342 ± 0.00004364 5.296 5.069/6.158 5.537 ± 0.672
ea05 1342 1342/1342 1342 ± 0.0000463 5.52 5.094/6.409 5.701 ± 0.7525
ea06 1342 1342/1342 1342 ± 0.000005287 5.153 4.654/5.806 5.315 ± 0.7458
ea07 1342 1342/1342 1342 ± 0.00004141 5.488 5.038/6.316 5.666 ± 0.6859
ea08 1342 1342/1342 1342 ± 0.00004368 5.907 5.38/6.573 5.916 ± 0.7227
ea09 1342 1342/1342 1342 ± 0.00004276 4.801 4.651/5.614 5.133 ± 0.6029
ea10 1342 1342/1342 1342 ± 0.00004555 4.704 4.453/5.329 4.821 ± 0.4107
ea11 1342 1342/1342 1342 ± 0.00004341 5.817 4.86/6.539 5.718 ± 0.8879
ea12 1342 1342/1342 1342 ± 0.00004205 5.317 4.811/6.132 5.468 ± 0.7056
ea14 1342 1342/1342 1342 ± 0.00004322 5.857 5.101/6.424 5.759 ± 0.7393
ea15 1342 1342/1342 1342 ± 0.00004392 5.496 5.046/6.269 5.673 ± 0.8331
ea16 1342 1342/1342 1342 ± 0.000007988 5.495 5.206/6.284 5.73 ± 0.7181
ea17 1342 1342/1342 1342 ± 0.000043 5.903 5.329/6.661 6.05 ± 0.7867
ea18 1342 1342/1342 1342 ± 0.00004319 5.789 5.353/6.44 5.865 ± 0.7069
ea19 1342 1342/1342 1342 ± 0.00002819 5.448 5.135/6.445 5.698 ± 0.7468
ea20 1342 1342/1342 1342 ± 0.00001428 5.444 5.088/6.207 5.748 ± 0.736
ea21 1342 1342/1342 1342 ± 0.000003579 5.015 4.807/5.803 5.297 ± 0.6218
ea22 1342 1342/1342 1342 ± 0.00004293 5.571 5.144/6.362 5.711 ± 0.6567
ea23 1342 1342/1342 1342 ± 0.00004319 5.897 5.059/6.458 5.832 ± 0.7622
ea24 1342 1342/1342 1342 ± 0.000002245 5.218 4.746/5.935 5.353 ± 0.6037
ea25 1342 1342/1342 1342 ± 0.000001283 5.801 5.294/6.642 6.024 ± 0.9016
ea27 1342 1342/1342 1342 ± 0.000007583 5.296 4.84/6.153 5.467 ± 0.7513
ea28 1342 1342/1342 1342 ± 0.000008393 5.39 5.136/6.37 5.745 ± 0.7306
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 ± 0.00002348 5.066 4.824/5.256 5.008 ± 0.2824
5 1342 1342/1342 1342 ± 0.00002915 5.009 4.724/5.184 4.998 ± 0.3333
6 1342 1342/1342 1342 ± 0.00002348 4.901 4.728/5.18 4.953 ± 0.2987
7 1342 1342/1342 1342 ± 0.00002348 5.13 5.008/5.32 5.125 ± 0.2661
8 1342 1342/1342 1342 ± 0.00002348 5.144 4.916/5.345 5.151 ± 0.3266
9 1342 1342/1342 1342 ± 0.00002348 5.461 5.29/5.793 5.447 ± 0.3448
10 1342 1342/1342 1342 ± 0.00002348 5.951 5.698/6.238 5.942 ± 0.3331
11 1342 1342/1342 1342 ± 0.00002348 6.232 6.065/6.455 6.214 ± 0.3278
12 1342 1342/1342 1342 ± 0.00002348 6.446 6.166/6.562 6.366 ± 0.3668
13 1342 1342/1342 1342 ± 0.00002376 6.912 6.643/7.069 6.84 ± 0.3762
14 1342 1342/1342 1342 ± 0.00002392 6.596 6.407/7.021 6.68 ± 0.3993
15 1342 1342/1342 1342 ± 0.00002462 6.184 5.984/6.417 6.15 ± 0.3863
16 1342 1342/1342 1342 ± 0.00005858 4.798 4.63/4.995 4.821 ± 0.2939
17 1342 1342/1342 1342 ± 0.00005951 4.87 4.707/5.053 4.881 ± 0.2746
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS3.2.sb45458712.eb46169388.60476.06293818287_split_split.ms
Start time
2025-07-26 20:51:16.153
End
2025-07-26 21:45:51.551
Duration
0:54:35.398
Note, WebLog generation is not included in the time.

CASA logs for stage 8