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

Statwt Summary Plot

VLASS2.1.sb38469526.eb38577573.59079.23044392361_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 5.501 5.319/6.34 5.742 ± 0.7438
ea02 1342 1342/1342 1342 ± 0.0000489 5.88 5.479/6.798 6.092 ± 0.8692
ea04 1342 1342/1342 1342 ± 0.00001319 5.286 4.987/5.85 5.421 ± 0.6383
ea05 1342 1342/1342 1342 ± 0 5.528 5.102/6.29 5.749 ± 0.6758
ea06 1342 1342/1342 1342 ± 0.00002848 4.771 4.38/5.238 4.846 ± 0.4798
ea07 1342 1342/1342 1342 ± 0.00004461 5.958 5.538/6.516 5.961 ± 0.9285
ea08 1342 1342/1342 1342 ± 0.00004363 5.951 5.615/7.065 6.245 ± 0.9828
ea09 1342 1342/1342 1342 ± 0.00001522 5.669 5.323/6.519 5.812 ± 0.733
ea10 1342 1342/1342 1342 ± 0.00004519 5.785 5.163/6.549 5.762 ± 0.8469
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002937 5.693 5.286/6.483 5.808 ± 0.7874
ea13 1342 1342/1342 1342 ± 0.000008856 5.883 5.454/6.462 6.103 ± 0.6943
ea14 1342 1342/1342 1342 ± 0.00002142 5.741 5.491/6.631 5.969 ± 0.8333
ea15 1342 1342/1342 1342 ± 0.00001114 5.127 4.989/6.035 5.499 ± 0.7029
ea16 1342 1342/1342 1342 ± 0.000007765 5.81 5.475/6.75 6.058 ± 0.8637
ea17 1342 1342/1342 1342 ± 0.00004504 6.062 5.828/7.246 6.239 ± 0.9965
ea18 1342 1342/1342 1342 ± 0.00004294 5.043 4.937/5.822 5.271 ± 0.6217
ea19 1342 1342/1342 1342 ± 0 5.761 5.563/6.694 6.046 ± 0.7509
ea20 1342 1342/1342 1342 ± 0.00003371 5.795 5.72/6.822 6.144 ± 0.8912
ea21 1342 1342/1342 1342 ± 0.000009061 5.644 5.374/6.376 5.785 ± 0.7494
ea22 1342 1342/1342 1342 ± 0.00003236 5.552 5.109/6.359 5.808 ± 0.7468
ea23 1342 1342/1342 1342 ± 0.00004039 5.848 5.53/6.766 6.102 ± 0.9668
ea25 1342 1342/1342 1342 ± 0.00004454 5.611 5.431/6.519 5.857 ± 0.8437
ea26 1342 1342/1342 1342 ± 0.00001756 5.705 5.583/6.624 5.995 ± 0.7062
ea27 1342 1342/1342 1342 ± 0.00004513 5.667 5.377/6.723 5.926 ± 0.8206
ea28 1342 1342/1342 1342 ± 0.00004363 5.827 5.634/6.782 6.072 ± 0.8806
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 ± 0.00002665 5.498 5.163/5.682 5.42 ± 0.3143
5 1342 1342/1342 1342 ± 0.00002489 5.928 5.669/6.129 5.881 ± 0.3227
6 1342 1342/1342 1342 ± 0.00002393 5.521 5.322/5.626 5.44 ± 0.3118
7 1342 1342/1342 1342 ± 0.00002393 5.492 5.216/5.644 5.412 ± 0.305
8 1342 1342/1342 1342 ± 0.00002393 5.446 5.12/5.617 5.371 ± 0.3342
9 1342 1342/1342 1342 ± 0.0000246 5.638 5.31/5.75 5.528 ± 0.3389
10 1342 1342/1342 1342 ± 0.00002393 6.193 5.9/6.304 6.084 ± 0.3717
11 1342 1342/1342 1342 ± 0.00002393 6.394 6.167/6.615 6.344 ± 0.379
12 1342 1342/1342 1342 ± 0.00002393 6.552 6.445/6.752 6.525 ± 0.4055
13 1342 1342/1342 1342 ± 0.00002393 6.991 6.775/7.229 6.943 ± 0.4353
14 1342 1342/1342 1342 ± 0.00002393 7.153 6.91/7.459 7.11 ± 0.4815
15 1342 1342/1342 1342 ± 0.00002428 6.563 6.286/6.848 6.518 ± 0.5008
16 1342 1342/1342 1342 ± 0.00006004 4.502 4.345/4.714 4.52 ± 0.2509
17 1342 1342/1342 1342 ± 0.00006098 4.751 4.518/4.958 4.743 ± 0.2793
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-12 15:43:42.091
End
2024-12-12 16:53:21.698
Duration
1:09:39.607
Note, WebLog generation is not included in the time.

CASA logs for stage 8