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 5.514 5.074/6.247 5.461 ± 1.082
ea02 1342 1342/1342 1342 ± 0.00003603 5.7 5.308/6.493 5.628 ± 0.9963
ea03 1342 1342/1342 1342 ± 0.000003704 5.411 5.284/6.527 5.709 ± 0.8379
ea04 1342 1342/1342 1342 ± 0.00004977 5.099 4.699/6.008 5.121 ± 0.8585
ea05 1342 1342/1342 1342 ± 0.00005141 5.33 5.077/6.41 5.398 ± 1.024
ea06 1342 1342/1342 1342 ± 0.00002706 5.086 4.795/6.06 5.222 ± 0.8585
ea07 1342 1342/1342 1342 ± 0.00004215 5.21 5.013/6.285 5.409 ± 0.9998
ea08 1342 1342/1342 1342 ± 0.00001122 5.85 5.575/6.871 5.887 ± 1.046
ea09 1342 1342/1342 1342 ± 0.00004894 5.184 4.823/6.208 5.21 ± 0.9618
ea10 1342 1342/1342 1342 ± 0.00004734 4.991 4.634/5.912 4.997 ± 0.877
ea11 1342 1342/1342 1342 ± 0.00005273 5.175 4.466/6.083 5.034 ± 1.044
ea13 1342 1342/1342 1342 ± 0.00002825 5.371 5.176/6.235 5.476 ± 0.7186
ea14 1342 1342/1342 1342 ± 0.00005034 5.48 5.152/6.573 5.538 ± 1.049
ea15 1342 1342/1342 1342 ± 0.00005063 5.573 5.033/6.685 5.578 ± 1.105
ea16 1342 1342/1342 1342 ± 0.00002535 5.796 5.35/6.55 5.761 ± 1.034
ea17 1342 1342/1342 1342 ± 0.00004284 5.738 5.263/6.625 5.713 ± 1.145
ea18 1342 1342/1342 1342 ± 0.00000986 5.926 5.677/6.904 6.009 ± 1.034
ea19 1342 1342/1342 1342 ± 0.000044 5.369 5.134/6.372 5.416 ± 0.9655
ea20 1342 1342/1342 1342 ± 0.00004016 5.352 5.197/6.207 5.461 ± 0.8191
ea21 1342 1342/1342 1342 ± 0.000006542 5.17 4.94/5.878 5.272 ± 0.6744
ea22 1342 1342/1342 1342 ± 0.00002602 5.751 5.251/6.557 5.689 ± 0.9956
ea23 1342 1342/1342 1342 ± 0.00004913 5.577 5.133/6.384 5.504 ± 1.023
ea24 1342 1342/1342 1342 ± 0.00001838 5.094 4.907/6.005 5.426 ± 0.7537
ea25 1342 1342/1342 1342 ± 0.00001243 5.73 5.383/6.983 6.036 ± 0.9886
ea27 1342 1342/1342 1342 ± 0.00001965 5.169 4.972/6.392 5.353 ± 0.9518
ea28 1342 1342/1342 1342 ± 0.000002929 5.649 5.599/6.743 5.861 ± 0.8417
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 5.274 5.017/5.363 5.206 ± 0.285
5 1342 1342/1342 1342 ± 0.00003238 5.201 4.947/5.49 5.259 ± 0.4019
6 1342 1342/1342 1342 ± 0.00002348 5.253 5.072/5.484 5.247 ± 0.2819
7 1342 1342/1342 1342 ± 0.00002348 5.335 5.1/5.509 5.291 ± 0.2653
8 1342 1342/1342 1342 ± 0.00002348 5.276 5.091/5.561 5.296 ± 0.2851
9 1342 1342/1342 1342 ± 0.00002348 5.452 5.294/5.757 5.509 ± 0.3052
10 1342 1342/1342 1342 ± 0.00002392 6.164 5.977/6.29 6.118 ± 0.2945
11 1342 1342/1342 1342 ± 0.00002348 6.403 6.246/6.575 6.415 ± 0.2741
12 1342 1342/1342 1342 ± 0.00002348 6.599 6.362/6.805 6.581 ± 0.3233
13 1342 1342/1342 1342 ± 0.00002369 6.716 6.388/7.034 6.727 ± 0.4155
14 1342 1342/1342 1342 ± 0.0000575 5.118 4.735/5.752 5.308 ± 0.7406
15 1342 1342/1342 1342 ± 0.00002348 6.707 6.268/7.064 6.665 ± 0.4634
16 1342 1342/1342 1342 ± 0.00006003 3.68 3.505/4.062 3.812 ± 0.4607
17 1342 1342/1342 1342 ± 0.00006021 3.633 3.399/3.945 3.681 ± 0.3662
overwrite_modelcol
False
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS3.2.sb45544419.eb45877457.60435.173042256945_split_split.ms
Start time
2025-07-19 09:01:00.242
End
2025-07-19 09:50:04.714
Duration
0:49:04.473
Note, WebLog generation is not included in the time.

CASA logs for stage 8