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

Statwt Summary Plot

VLASS2.1.sb38546349.eb38559922.59066.15098736111_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 4.545 4.362/5.517 4.802 ± 0.7013
ea02 1342 1342/1342 1342 ± 0.00003182 4.89 4.624/5.987 5.186 ± 0.8543
ea04 1342 1342/1342 1342 ± 0.00003522 4.774 4.538/5.557 4.895 ± 0.741
ea05 1342 1342/1342 1342 ± 0.00001585 5.137 4.85/6.188 5.362 ± 0.8391
ea06 1342 1342/1342 1342 ± 0.00003431 2.872 2.646/3.316 2.972 ± 0.3796
ea07 1342 1342/1342 1342 ± 0 4.712 4.625/4.772 4.764 ± 0.1967
ea08 1342 1342/1342 1342 ± 0.00003072 5.419 4.89/6.176 5.513 ± 0.9136
ea09 1342 1342/1342 1342 ± 0.00002844 4.734 4.571/5.818 5.019 ± 0.7519
ea10 1342 1342/1342 1342 ± 0.00003159 4.646 4.536/5.852 5.037 ± 0.818
ea11 1342 1342/1342 1342 ± 0.00003315 4.909 4.538/5.906 5.117 ± 0.8181
ea12 1342 1342/1342 1342 ± 0.0000357 4.92 4.815/5.915 5.218 ± 0.852
ea13 1342 1342/1342 1342 ± 0.0000244 5.315 5.11/5.948 5.485 ± 0.7979
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0.00003568 4.91 4.681/5.971 5.167 ± 0.8952
ea16 1342 1342/1342 1342 ± 0.00002208 4.548 4/5.216 4.503 ± 0.7234
ea18 1342 1342/1342 1342 ± 0.00003417 4.274 4.075/5.076 4.461 ± 0.6572
ea19 1342 1342/1342 1342 ± 0.00001953 6.291 5.654/6.702 5.837 ± 1.065
ea20 1342 1342/1342 1342 ± 0.0000365 5.416 4.969/6.278 5.495 ± 0.9434
ea21 1342 1342/1342 1342 ± 0.00001755 5.152 4.842/5.875 5.229 ± 0.8031
ea22 1342 1342/1342 1342 ± 0.00003101 4.804 4.562/6.002 5.153 ± 0.8399
ea23 1342 1342/1342 1342 ± 0.00002746 5.067 4.641/6.06 5.263 ± 0.8968
ea25 1342 1342/1342 1342 ± 0.00003511 4.658 4.353/5.063 4.584 ± 0.5421
ea26 1342 1342/1342 1342 ± 0.00002905 5.223 4.99/6.293 5.484 ± 0.8887
ea27 1342 1342/1342 1342 ± 0.00003188 4.885 4.477/5.771 4.974 ± 0.7808
ea28 1342 1342/1342 1342 ± 0.00003092 4.926 4.498/5.945 5.138 ± 0.8358
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 ± 0.00002561 4.495 4.173/4.694 4.398 ± 0.5359
3 1342 1342/1342 1342 ± 0.00002595 4.662 4.432/4.943 4.658 ± 0.6332
5 1342 1342/1342 1342 ± 0.00002601 4.557 4.428/4.843 4.482 ± 0.5239
6 1342 1342/1342 1342 ± 0.0000251 4.606 4.5/4.856 4.564 ± 0.4928
7 1342 1342/1342 1342 ± 0.00002503 4.662 4.556/4.874 4.615 ± 0.477
8 1342 1342/1342 1342 ± 0.00002495 4.691 4.542/4.896 4.639 ± 0.4663
9 1342 1342/1342 1342 ± 0.00002492 5.133 4.795/5.2 4.943 ± 0.4894
10 1342 1342/1342 1342 ± 0.00002495 5.49 5.089/5.627 5.289 ± 0.5744
11 1342 1342/1342 1342 ± 0.00002495 5.782 5.54/5.878 5.586 ± 0.6255
12 1342 1342/1342 1342 ± 0.00002494 5.952 5.711/6.151 5.802 ± 0.6109
13 1342 1342/1342 1342 ± 0.00002503 6.237 5.759/6.46 6.027 ± 0.6969
14 1342 1342/1342 1342 ± 0.00002614 6.062 5.574/6.491 5.925 ± 0.7699
15 1342 1342/1342 1342 ± 0.00002501 6.3 6.037/6.563 6.136 ± 0.7486
16 1342 1342/1342 1342 ± 0.00005347 3.416 3.257/3.628 3.421 ± 0.3183
17 1342 1342/1342 1342 ± 0.00005367 3.565 3.346/3.817 3.577 ± 0.4055
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38546349.eb38559922.59066.15098736111_split_split.ms
overwrite_modelcol
False
Start time
2024-05-01 19:55:57.597
End
2024-05-01 20:59:26.117
Duration
1:03:28.521
Note, WebLog generation is not included in the time.

CASA logs for stage 7