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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.691 5.639/6.486 6.054 ± 0.6538
ea02 1342 1342/1342 1342 ± 0.0000415 6.152 5.759/6.96 6.369 ± 0.7248
ea03 1342 1342/1342 1342 ± 0 5.796 5.038/6.295 5.71 ± 0.6552
ea04 1342 1342/1342 1342 ± 0 5.89 5.4/6.595 5.961 ± 0.6666
ea05 1342 1342/1342 1342 ± 0 6.261 5.713/6.879 6.174 ± 0.739
ea06 1342 1342/1342 1342 ± 0 5.142 4.96/5.517 5.211 ± 0.3835
ea07 1342 1342/1342 1342 ± 0 6.233 5.807/6.717 6.351 ± 0.7367
ea08 1342 1342/1342 1342 ± 0.000003479 6.172 5.872/7.132 6.475 ± 0.772
ea09 1342 1342/1342 1342 ± 0 6.081 5.514/6.803 6.113 ± 0.7354
ea10 1342 1342/1342 1342 ± 0 6.221 5.661/7.077 6.305 ± 0.7555
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.285 5.616/6.783 6.275 ± 0.7742
ea13 1342 1342/1342 1342 ± 0 6.555 6.06/6.658 6.426 ± 0.6477
ea14 1342 1342/1342 1342 ± 0 6.058 5.517/6.754 6.114 ± 0.741
ea15 1342 1342/1342 1342 ± 0 6.353 5.734/6.887 6.379 ± 0.7756
ea16 1342 1342/1342 1342 ± 0 6.363 5.953/7.088 6.44 ± 0.8129
ea17 1342 1342/1342 1342 ± 0 6.619 6.2/7.585 6.82 ± 0.7225
ea18 1342 1342/1342 1342 ± 0 5.341 4.907/5.816 5.374 ± 0.5824
ea19 1342 1342/1342 1342 ± 0 6.33 5.679/6.914 6.266 ± 0.6746
ea20 1342 1342/1342 1342 ± 0 6.406 5.713/6.951 6.294 ± 0.7565
ea21 1342 1342/1342 1342 ± 0 5.928 5.698/6.726 6.138 ± 0.6733
ea22 1342 1342/1342 1342 ± 0 5.884 5.53/6.539 6.008 ± 0.6321
ea23 1342 1342/1342 1342 ± 0 6.156 5.729/6.953 6.332 ± 0.7966
ea24 1342 1342/1342 1342 ± 0.000008645 6.098 5.784/6.971 6.29 ± 0.7433
ea25 1342 1342/1342 1342 ± 0 5.991 5.565/6.64 6.084 ± 0.6633
ea26 1342 1342/1342 1342 ± 0 6.648 6.189/7.416 6.78 ± 0.6866
ea27 1342 1342/1342 1342 ± 0 5.889 5.699/6.868 6.156 ± 0.6944
ea28 1342 1342/1342 1342 ± 0 5.777 5.566/6.628 6.052 ± 0.6975
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 ± 0.00002338 5.696 5.423/5.833 5.613 ± 0.3216
4 1342 1342/1342 1342 ± 0.00002561 4.907 4.759/4.981 4.858 ± 0.2202
5 1342 1342/1342 1342 ± 0.00002338 5.692 5.503/5.852 5.665 ± 0.3703
6 1342 1342/1342 1342 ± 0.00002338 5.658 5.505/5.884 5.623 ± 0.3438
7 1342 1342/1342 1342 ± 0.00002338 5.692 5.563/5.792 5.655 ± 0.3183
8 1342 1342/1342 1342 ± 0.00002338 5.605 5.481/5.783 5.579 ± 0.3528
9 1342 1342/1342 1342 ± 0.00002338 5.896 5.642/6.227 5.864 ± 0.3885
10 1342 1342/1342 1342 ± 0.00002338 6.406 6.222/6.643 6.356 ± 0.3721
11 1342 1342/1342 1342 ± 0.00002338 6.655 6.447/6.822 6.588 ± 0.3914
12 1342 1342/1342 1342 ± 0.00002338 6.794 6.626/6.963 6.753 ± 0.4304
13 1342 1342/1342 1342 ± 0.00002338 7.271 7.156/7.401 7.21 ± 0.4547
14 1342 1342/1342 1342 ± 0.00002338 7.475 7.259/7.766 7.417 ± 0.4998
15 1342 1342/1342 1342 ± 0.00002338 7 6.856/7.31 6.983 ± 0.4751
16 1342 1342/1342 1342 ± 0.00002464 6.143 5.918/6.493 6.179 ± 0.3671
17 1342 1342/1342 1342 ± 0.00002398 6.196 6.07/6.463 6.215 ± 0.371
output_dir
 
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-30 03:17:32.463
End
2025-01-30 03:50:04.429
Duration
0:32:31.966
Note, WebLog generation is not included in the time.

CASA logs for stage 8