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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.351 5.7/6.73 6.243 ± 0.7105
ea03 1342 1342/1342 1342 ± 0.00002957 5.693 5.241/6.502 5.82 ± 0.7709
ea04 1342 1342/1342 1342 ± 0 5.557 5.117/6.143 5.719 ± 0.6479
ea05 1342 1342/1342 1342 ± 0 5.911 5.608/6.828 6.149 ± 0.7512
ea06 1342 1342/1342 1342 ± 0 6.353 5.464/6.471 6.065 ± 0.647
ea07 1342 1342/1342 1342 ± 0 5.856 5.254/6.136 5.833 ± 0.6465
ea08 1342 1342/1342 1342 ± 0 6.147 5.504/6.695 6.213 ± 0.7322
ea09 1342 1342/1342 1342 ± 0 5.915 5.414/6.652 6.114 ± 0.7503
ea10 1342 1342/1342 1342 ± 0 5.75 5.549/6.836 6.103 ± 0.6924
ea11 1342 1342/1342 1342 ± 0 6.211 5.288/6.766 6.134 ± 0.8448
ea12 1342 1342/1342 1342 ± 0 6.35 5.581/6.735 6.315 ± 0.7574
ea13 1342 1342/1342 1342 ± 0 5.884 5.804/6.42 6.091 ± 0.5149
ea14 1342 1342/1342 1342 ± 0 5.97 5.569/6.804 6.203 ± 0.7067
ea15 1342 1342/1342 1342 ± 0 5.382 4.734/5.675 5.263 ± 0.6095
ea16 1342 1342/1342 1342 ± 0 6.058 5.62/6.619 6.182 ± 0.769
ea17 1342 1342/1342 1342 ± 0 6.38 5.86/7.422 6.555 ± 0.7831
ea18 1342 1342/1342 1342 ± 0 5.114 4.696/5.613 5.167 ± 0.5379
ea19 1342 1342/1342 1342 ± 0 6.104 5.819/7.013 6.366 ± 0.7716
ea20 1342 1342/1342 1342 ± 0 5.873 5.605/6.847 6.103 ± 0.7354
ea21 1342 1342/1342 1342 ± 0 5.463 5.332/6.406 5.769 ± 0.6519
ea22 1342 1342/1342 1342 ± 0 6.176 5.313/6.544 5.955 ± 0.7213
ea23 1342 1342/1342 1342 ± 0 6.093 5.652/6.752 6.247 ± 0.7741
ea24 1342 1342/1342 1342 ± 0 6.129 5.17/6.477 5.854 ± 0.6364
ea25 1342 1342/1342 1342 ± 0 6.175 5.56/6.653 6.235 ± 0.7573
ea26 1342 1342/1342 1342 ± 0 6.235 5.693/6.993 6.404 ± 0.8043
ea27 1342 1342/1342 1342 ± 0 5.878 5.406/6.961 6.082 ± 0.7739
ea28 1342 1342/1342 1342 ± 0 6.083 5.641/6.818 6.248 ± 0.758
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 ± 0.00002306 5.537 5.342/5.713 5.516 ± 0.3093
3 1342 1342/1342 1342 ± 0.00002349 5.182 4.984/5.331 5.165 ± 0.2978
4 1342 1342/1342 1342 ± 0.0000283 5.151 4.941/5.351 5.132 ± 0.3375
5 1342 1342/1342 1342 ± 0.00002306 5.527 5.27/5.654 5.422 ± 0.3338
6 1342 1342/1342 1342 ± 0.00002306 5.422 5.209/5.615 5.387 ± 0.283
7 1342 1342/1342 1342 ± 0.00002306 5.549 5.319/5.685 5.475 ± 0.2965
8 1342 1342/1342 1342 ± 0.00002306 5.484 5.263/5.697 5.447 ± 0.3315
9 1342 1342/1342 1342 ± 0.00002306 5.879 5.611/6.032 5.774 ± 0.328
10 1342 1342/1342 1342 ± 0.00002306 6.383 6.133/6.446 6.257 ± 0.3457
11 1342 1342/1342 1342 ± 0.00002306 6.562 6.401/6.753 6.505 ± 0.3575
12 1342 1342/1342 1342 ± 0.00002306 6.74 6.422/6.854 6.655 ± 0.4128
13 1342 1342/1342 1342 ± 0.00002306 7.233 6.828/7.496 7.143 ± 0.43
14 1342 1342/1342 1342 ± 0.00002306 7.445 7.152/7.665 7.351 ± 0.425
15 1342 1342/1342 1342 ± 0.00002306 7.005 6.703/7.199 6.924 ± 0.3973
16 1342 1342/1342 1342 ± 0.00002308 6.195 5.827/6.44 6.19 ± 0.4111
17 1342 1342/1342 1342 ± 0.00002306 6.137 5.894/6.466 6.148 ± 0.4034
datacolumn
residual_data
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-06-09 07:13:40.397
End
2025-06-09 08:16:20.805
Duration
1:02:40.408
Note, WebLog generation is not included in the time.

CASA logs for stage 8