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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.27 5.008/5.683 5.402 ± 0.486
ea02 1342 1342/1342 1342 ± 0 5.538 5.159/6.117 5.648 ± 0.5916
ea04 1342 1342/1342 1342 ± 0 5.009 4.689/5.777 5.249 ± 0.5915
ea05 1342 1342/1342 1342 ± 0 5.332 4.942/5.86 5.437 ± 0.5577
ea06 1342 1342/1342 1342 ± 0 4.752 4.414/5.123 4.789 ± 0.4212
ea07 1342 1342/1342 1342 ± 0 5.601 5.192/5.958 5.662 ± 0.5348
ea08 1342 1342/1342 1342 ± 0 5.463 5.236/6.335 5.782 ± 0.6318
ea09 1342 1342/1342 1342 ± 0.000002112 4.961 4.584/5.573 5.132 ± 0.5808
ea10 1342 1342/1342 1342 ± 0.000006043 5.604 5.041/6.28 5.634 ± 0.6575
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.357 4.959/6.079 5.584 ± 0.6552
ea13 1342 1342/1342 1342 ± 0 5.665 5.29/5.986 5.709 ± 0.4953
ea14 1342 1342/1342 1342 ± 0 5.498 5.013/6.08 5.567 ± 0.6038
ea15 1342 1342/1342 1342 ± 0 5.133 4.596/5.83 5.246 ± 0.6978
ea16 1342 1342/1342 1342 ± 0 5.832 5.354/6.298 5.911 ± 0.681
ea17 1342 1342/1342 1342 ± 0 5.622 5.209/6.115 5.743 ± 0.6002
ea18 1342 1342/1342 1342 ± 0 4.778 4.5/5.343 4.921 ± 0.5181
ea19 1342 1342/1342 1342 ± 0 5.599 5.182/6.162 5.729 ± 0.5819
ea20 1342 1342/1342 1342 ± 0 5.753 5.263/6.378 5.864 ± 0.665
ea21 1342 1342/1342 1342 ± 0 5.333 5.036/5.927 5.473 ± 0.5373
ea22 1342 1342/1342 1342 ± 0 5.417 4.977/6.037 5.514 ± 0.6124
ea23 1342 1342/1342 1342 ± 0 5.668 5.156/6.179 5.763 ± 0.6394
ea25 1342 1342/1342 1342 ± 0 5.364 4.888/5.811 5.414 ± 0.5722
ea26 1342 1342/1342 1342 ± 0 5.666 5.217/6.246 5.743 ± 0.623
ea27 1342 1342/1342 1342 ± 0.00003875 5.343 4.988/6.014 5.477 ± 0.5429
ea28 1342 1342/1342 1342 ± 0 5.352 5.112/6.169 5.586 ± 0.6249
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 ± 0.00002404 4.97 4.832/5.122 4.957 ± 0.2296
3 1342 1342/1342 1342 ± 0.00002406 4.859 4.665/5.048 4.858 ± 0.2676
4 1342 1342/1342 1342 ± 0.00002452 5.036 4.821/5.189 4.97 ± 0.3366
5 1342 1342/1342 1342 ± 0.00002404 5.047 4.85/5.153 4.983 ± 0.3127
6 1342 1342/1342 1342 ± 0.00002404 5.054 4.792/5.152 4.973 ± 0.282
7 1342 1342/1342 1342 ± 0.00002404 5.045 4.935/5.213 5.02 ± 0.2432
8 1342 1342/1342 1342 ± 0.00002406 5.072 4.802/5.191 5 ± 0.2743
9 1342 1342/1342 1342 ± 0.00002404 5.344 5.132/5.556 5.281 ± 0.3264
10 1342 1342/1342 1342 ± 0.00002404 5.751 5.56/5.926 5.697 ± 0.3194
11 1342 1342/1342 1342 ± 0.00002406 5.994 5.767/6.104 5.909 ± 0.3192
12 1342 1342/1342 1342 ± 0.00002404 6.118 5.909/6.328 6.069 ± 0.336
13 1342 1342/1342 1342 ± 0.00002404 6.528 6.275/6.661 6.459 ± 0.352
14 1342 1342/1342 1342 ± 0.00002404 6.704 6.361/6.849 6.602 ± 0.3922
15 1342 1342/1342 1342 ± 0.00002404 6.246 6.001/6.422 6.182 ± 0.3334
16 1342 1342/1342 1342 ± 0.00003301 5.633 5.506/5.897 5.677 ± 0.2833
17 1342 1342/1342 1342 ± 0.00003246 5.695 5.547/5.888 5.702 ± 0.3028
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
Start time
2025-04-09 01:37:24.794
End
2025-04-09 02:45:50.450
Duration
1:08:25.656
Note, WebLog generation is not included in the time.

CASA logs for stage 8