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

Statwt Summary Plot

VLASS2.1.sb38664748.eb38688475.59125.74132475695_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 5.138 5.027/5.811 5.298 ± 0.6661
ea02 1342 1342/1342 1342 ± 0.00004403 5.557 5.253/6.358 5.666 ± 0.8234
ea03 1342 1342/1342 1342 ± 0.00001238 4.884 4.578/5.726 5.073 ± 0.6643
ea04 1342 1342/1342 1342 ± 0.0000306 5.194 5.013/6.036 5.313 ± 0.7949
ea05 1342 1342/1342 1342 ± 0.00002095 5.391 5.014/6.09 5.533 ± 0.7095
ea06 1342 1342/1342 1342 ± 0.00003301 4.928 4.796/5.531 4.997 ± 0.6669
ea07 1342 1342/1342 1342 ± 0.00004307 5.421 5.232/6.184 5.597 ± 0.7996
ea08 1342 1342/1342 1342 ± 0.00004427 5.775 5.476/6.64 5.91 ± 0.9073
ea09 1342 1342/1342 1342 ± 0.0000198 5.295 5.114/6.165 5.466 ± 0.7583
ea10 1342 1342/1342 1342 ± 0.00004049 5.678 5.079/6.428 5.587 ± 0.8436
ea11 1342 1342/1342 1342 ± 0.00004435 5.394 4.976/6.266 5.459 ± 0.8174
ea12 1342 1342/1342 1342 ± 0.00003609 5.338 5.131/6.345 5.529 ± 0.8629
ea13 1342 1342/1342 1342 ± 0.00001905 5.762 5.593/6.405 5.832 ± 0.7451
ea14 1342 1342/1342 1342 ± 0.00002681 5.284 5.047/6.321 5.524 ± 0.8104
ea15 1342 1342/1342 1342 ± 0.00002775 5.182 5.055/6.249 5.488 ± 0.9288
ea16 1342 1342/1342 1342 ± 0.00002357 5.701 5.429/6.697 5.86 ± 0.909
ea17 1342 1342/1342 1342 ± 0.00004967 5.847 5.427/6.596 5.923 ± 0.9103
ea18 1342 1342/1342 1342 ± 0.00004405 4.672 4.49/5.38 4.81 ± 0.5812
ea19 1342 1342/1342 1342 ± 0.00001851 5.454 5.239/6.25 5.654 ± 0.704
ea21 1342 1342/1342 1342 ± 0.00002009 5.5 5.114/6.238 5.583 ± 0.7308
ea22 1342 1342/1342 1342 ± 0.00004057 5.327 4.928/6.207 5.482 ± 0.7854
ea23 1342 1342/1342 1342 ± 0.00003936 5.425 5.237/6.485 5.697 ± 0.8796
ea25 1342 1342/1342 1342 ± 0.00004711 5.32 5.099/6.083 5.419 ± 0.7726
ea26 1342 1342/1342 1342 ± 0.00002805 5.625 5.435/6.594 5.819 ± 0.8445
ea27 1342 1342/1342 1342 ± 0.0000471 5.38 5.011/6.31 5.481 ± 0.7967
ea28 1342 1342/1342 1342 ± 0.00004674 5.328 5.064/6.095 5.422 ± 0.7447
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 ± 0.0000235 5.124 5.016/5.336 5.14 ± 0.2394
3 1342 1342/1342 1342 ± 0.00006097 4.951 4.704/5.324 5.005 ± 0.4583
5 1342 1342/1342 1342 ± 0.0000235 5.2 4.99/5.368 5.182 ± 0.3169
6 1342 1342/1342 1342 ± 0.0000235 5.175 4.998/5.331 5.168 ± 0.2872
7 1342 1342/1342 1342 ± 0.0000235 5.163 5.099/5.295 5.198 ± 0.2475
8 1342 1342/1342 1342 ± 0.0000235 5.214 5.017/5.39 5.189 ± 0.2741
9 1342 1342/1342 1342 ± 0.0000235 5.488 5.359/5.766 5.501 ± 0.3116
10 1342 1342/1342 1342 ± 0.0000235 5.906 5.737/6.087 5.879 ± 0.3095
11 1342 1342/1342 1342 ± 0.0000235 6.221 6.071/6.358 6.169 ± 0.3042
12 1342 1342/1342 1342 ± 0.0000235 6.366 6.2/6.487 6.33 ± 0.3146
13 1342 1342/1342 1342 ± 0.0000239 6.536 6.35/6.676 6.492 ± 0.3536
14 1342 1342/1342 1342 ± 0.00003955 6.395 6.02/6.617 6.327 ± 0.4265
15 1342 1342/1342 1342 ± 0.00002773 6.495 6.264/6.748 6.465 ± 0.4461
16 1342 1342/1342 1342 ± 0.00005769 3.915 3.734/4.077 3.895 ± 0.2713
17 1342 1342/1342 1342 ± 0.00005994 4.085 3.873/4.257 4.079 ± 0.3049
overwrite_modelcol
False
vis
VLASS2.1.sb38664748.eb38688475.59125.74132475695_split_split.ms
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
Start time
2025-01-04 09:57:48.949
End
2025-01-04 11:07:37.810
Duration
1:09:48.860
Note, WebLog generation is not included in the time.

CASA logs for stage 8