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

Statwt Summary Plot

VLASS2.1.sb39020510.eb39074114.59177.52519034722_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 5.334 5.177/6.174 5.501 ± 0.7504
ea02 1342 1342/1342 1342 ± 0.00004215 5.814 5.278/6.6 5.793 ± 0.8873
ea03 1342 1342/1342 1342 ± 0.000009315 2.097 2.008/2.429 2.198 ± 0.3271
ea04 1342 1342/1342 1342 ± 0.000038 5.471 5.262/6.307 5.643 ± 0.7776
ea05 1342 1342/1342 1342 ± 0.00002583 5.395 5.102/6.418 5.649 ± 0.8405
ea06 1342 1342/1342 1342 ± 0.00001601 3.629 3.453/4.042 3.647 ± 0.5397
ea07 1342 1342/1342 1342 ± 0.00004165 5.894 5.463/6.375 5.863 ± 0.8735
ea08 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea09 1342 1342/1342 1342 ± 0.00003713 5.583 5.266/6.604 5.767 ± 0.863
ea10 1342 1342/1342 1342 ± 0.00004261 5.844 5.286/6.813 5.851 ± 0.9557
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00004234 5.571 5.416/6.67 5.817 ± 0.9027
ea13 1342 1342/1342 1342 ± 0.00002939 5.816 5.562/6.461 5.962 ± 0.7748
ea14 1342 1342/1342 1342 ± 0.00003982 5.514 5.043/6.36 5.605 ± 0.8029
ea15 1342 1342/1342 1342 ± 0.00001509 3.133 3.023/3.894 3.313 ± 0.6506
ea16 1342 1342/1342 1342 ± 0.00003784 5.916 5.516/6.832 5.998 ± 1.002
ea17 1342 1342/1342 1342 ± 0.00002252 6.011 5.523/7.046 6.093 ± 1.005
ea18 1342 1342/1342 1342 ± 0.00004212 4.918 4.687/5.904 5.119 ± 0.691
ea19 1342 1342/1342 1342 ± 0.00001462 5.554 5.369/6.488 5.805 ± 0.8384
ea20 1342 1342/1342 1342 ± 0.00002148 5.984 5.918/7.089 6.209 ± 0.9415
ea23 1342 1342/1342 1342 ± 0.00004088 5.595 5.324/6.678 5.914 ± 0.9593
ea24 1342 1342/1342 1342 ± 0.00004077 5.342 5.013/6.357 5.525 ± 0.8112
ea25 1342 1342/1342 1342 ± 0.00004247 5.7 5.3/6.655 5.773 ± 0.914
ea26 1342 1342/1342 1342 ± 0.00001099 1.567 1.515/1.663 1.595 ± 0.1161
ea27 1342 1342/1342 1342 ± 0.00004253 5.502 5.2/6.651 5.704 ± 0.9031
ea28 1342 1342/1342 1342 ± 0.00004242 5.33 5.257/6.374 5.607 ± 0.8334
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 ± 0.00002467 5.244 4.905/5.502 4.846 ± 1.133
3 1342 1342/1342 1342 ± 0.00003228 5.002 3.609/5.334 4.527 ± 1.186
5 1342 1342/1342 1342 ± 0.00002467 5.414 5.078/5.589 4.979 ± 1.188
6 1342 1342/1342 1342 ± 0.00002467 5.298 5.077/5.474 4.862 ± 1.127
7 1342 1342/1342 1342 ± 0.00002467 5.331 5.122/5.481 4.935 ± 1.129
8 1342 1342/1342 1342 ± 0.00002467 5.283 5.084/5.514 4.898 ± 1.132
9 1342 1342/1342 1342 ± 0.00002467 5.459 5.261/5.815 5.098 ± 1.206
10 1342 1342/1342 1342 ± 0.00002467 6.01 5.802/6.232 5.537 ± 1.301
11 1342 1342/1342 1342 ± 0.00002467 6.347 6.199/6.471 5.805 ± 1.353
12 1342 1342/1342 1342 ± 0.00002467 6.51 6.337/6.678 5.998 ± 1.42
13 1342 1342/1342 1342 ± 0.00002467 6.889 6.595/7.053 6.33 ± 1.492
14 1342 1342/1342 1342 ± 0.00002477 6.928 6.505/7.155 6.366 ± 1.529
15 1342 1342/1342 1342 ± 0.00002528 6.565 6.152/6.912 6.038 ± 1.48
16 1342 1342/1342 1342 ± 0.00005803 4.226 3.965/4.433 3.908 ± 0.9233
17 1342 1342/1342 1342 ± 0.00005815 4.16 3.922/4.338 3.87 ± 0.8335
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb39020510.eb39074114.59177.52519034722_split_split.ms
Start time
2025-01-11 07:40:45.612
End
2025-01-11 08:50:59.496
Duration
1:10:13.884
Note, WebLog generation is not included in the time.

CASA logs for stage 8