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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.669 5.475/6.227 5.899 ± 0.5492
ea02 1342 1342/1342 1342 ± 0 5.789 5.403/6.493 5.986 ± 0.6646
ea04 1342 1342/1342 1342 ± 0 5.171 4.781/5.884 5.377 ± 0.6448
ea05 1342 1342/1342 1342 ± 0 5.491 4.912/6.041 5.561 ± 0.7039
ea06 1342 1342/1342 1342 ± 0 4.602 4.296/5.085 4.695 ± 0.4309
ea07 1342 1342/1342 1342 ± 0 6.095 5.476/6.396 6.095 ± 0.6583
ea08 1342 1342/1342 1342 ± 0.000006257 5.789 5.55/6.788 6.164 ± 0.7396
ea09 1342 1342/1342 1342 ± 0 5.317 4.913/6.329 5.544 ± 0.7222
ea10 1342 1342/1342 1342 ± 0 6.058 5.294/6.844 6.048 ± 0.7671
ea11 1342 1342/1342 1342 ± 0 5.943 5.263/6.484 5.963 ± 0.7145
ea12 1342 1342/1342 1342 ± 0 5.559 5.15/6.276 5.772 ± 0.6823
ea13 1342 1342/1342 1342 ± 0 5.614 5.259/6.131 5.748 ± 0.6248
ea14 1342 1342/1342 1342 ± 0 5.972 5.182/6.349 5.864 ± 0.6861
ea15 1342 1342/1342 1342 ± 0 5.25 4.653/5.99 5.38 ± 0.7806
ea16 1342 1342/1342 1342 ± 0 6.093 5.423/6.676 6.172 ± 0.7696
ea17 1342 1342/1342 1342 ± 0.000001202 6.156 5.541/7.076 6.261 ± 0.7638
ea18 1342 1342/1342 1342 ± 0 5.041 4.696/5.658 5.194 ± 0.5462
ea19 1342 1342/1342 1342 ± 0 5.546 5.221/6.585 5.94 ± 0.7606
ea20 1342 1342/1342 1342 ± 0 5.972 5.515/6.664 6.132 ± 0.6971
ea21 1342 1342/1342 1342 ± 0 5.54 5.074/6.125 5.66 ± 0.6475
ea22 1342 1342/1342 1342 ± 0 5.378 5.008/6.222 5.576 ± 0.6672
ea23 1342 1342/1342 1342 ± 0 6.177 5.482/6.689 6.169 ± 0.7424
ea25 1342 1342/1342 1342 ± 0 5.722 5.287/6.288 5.849 ± 0.665
ea26 1342 1342/1342 1342 ± 0 5.796 5.188/6.738 5.891 ± 0.7627
ea27 1342 1342/1342 1342 ± 0.00002788 5.705 5.383/6.587 5.937 ± 0.6694
ea28 1342 1342/1342 1342 ± 0.00001932 5.853 5.585/6.726 6.12 ± 0.7033
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 ± 0.00002348 5.179 4.988/5.446 5.186 ± 0.3263
3 1342 1342/1342 1342 ± 0.00002493 5.206 5.033/5.322 5.159 ± 0.3034
4 1342 1342/1342 1342 ± 0.00002509 5.127 4.752/5.399 5.072 ± 0.3579
5 1342 1342/1342 1342 ± 0.00002348 5.186 4.954/5.53 5.194 ± 0.3954
6 1342 1342/1342 1342 ± 0.00002348 5.185 4.914/5.394 5.148 ± 0.3488
7 1342 1342/1342 1342 ± 0.00002348 5.264 5.062/5.457 5.191 ± 0.3161
8 1342 1342/1342 1342 ± 0.00002348 5.264 4.942/5.422 5.182 ± 0.3489
9 1342 1342/1342 1342 ± 0.00002348 5.558 5.25/5.829 5.509 ± 0.4259
10 1342 1342/1342 1342 ± 0.00002348 6.084 5.796/6.28 5.996 ± 0.3933
11 1342 1342/1342 1342 ± 0.00002371 6.291 6.071/6.539 6.237 ± 0.4059
12 1342 1342/1342 1342 ± 0.00002348 6.486 6.228/6.737 6.417 ± 0.4243
13 1342 1342/1342 1342 ± 0.00002348 6.998 6.693/7.173 6.887 ± 0.4465
14 1342 1342/1342 1342 ± 0.00002348 7.165 6.843/7.458 7.078 ± 0.4956
15 1342 1342/1342 1342 ± 0.00002348 6.721 6.456/6.952 6.639 ± 0.4509
16 1342 1342/1342 1342 ± 0.00002972 5.934 5.754/6.23 5.928 ± 0.3862
17 1342 1342/1342 1342 ± 0.0000301 5.935 5.691/6.144 5.895 ± 0.3802
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
Start time
2025-01-07 08:26:19.661
End
2025-01-07 09:22:38.420
Duration
0:56:18.759
Note, WebLog generation is not included in the time.

CASA logs for stage 8