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 5.825 5.593/6.491 6.019 ± 0.5989
ea02 1342 1342/1342 1342 ± 0.000001647 5.924 5.435/6.651 6.058 ± 0.7024
ea04 1342 1342/1342 1342 ± 0 5.381 4.82/5.859 5.393 ± 0.6164
ea05 1342 1342/1342 1342 ± 0.000009392 5.742 4.895/6.247 5.549 ± 0.6894
ea06 1342 1342/1342 1342 ± 0 4.733 4.369/5.2 4.756 ± 0.4547
ea07 1342 1342/1342 1342 ± 0 6.108 5.591/6.456 6.141 ± 0.6457
ea08 1342 1342/1342 1342 ± 0.0000213 6.037 5.652/6.966 6.253 ± 0.7318
ea09 1342 1342/1342 1342 ± 0 5.419 5.031/6.208 5.629 ± 0.7051
ea10 1342 1342/1342 1342 ± 0 6.084 5.444/6.965 6.131 ± 0.7928
ea11 1342 1342/1342 1342 ± 0 6.073 5.326/6.624 6.008 ± 0.7374
ea12 1342 1342/1342 1342 ± 0 5.836 5.199/6.391 5.819 ± 0.6874
ea13 1342 1342/1342 1342 ± 0 6.006 5.433/6.182 5.894 ± 0.593
ea14 1342 1342/1342 1342 ± 0 6.019 5.148/6.406 5.853 ± 0.7377
ea15 1342 1342/1342 1342 ± 0 5.563 4.682/6.022 5.454 ± 0.7782
ea16 1342 1342/1342 1342 ± 0 6.18 5.526/6.697 6.224 ± 0.7958
ea17 1342 1342/1342 1342 ± 0.00002607 6.309 5.781/7.143 6.41 ± 0.721
ea18 1342 1342/1342 1342 ± 0 5.226 4.822/5.752 5.248 ± 0.5538
ea19 1342 1342/1342 1342 ± 0 5.819 5.265/6.595 6.004 ± 0.7588
ea20 1342 1342/1342 1342 ± 0 6.322 5.623/6.89 6.214 ± 0.7021
ea21 1342 1342/1342 1342 ± 0 5.721 5.193/6.267 5.707 ± 0.6666
ea22 1342 1342/1342 1342 ± 0 5.459 5.124/6.371 5.713 ± 0.6565
ea23 1342 1342/1342 1342 ± 0 6.29 5.524/6.765 6.224 ± 0.744
ea25 1342 1342/1342 1342 ± 0 5.833 5.441/6.464 5.925 ± 0.641
ea26 1342 1342/1342 1342 ± 0 5.769 5.302/6.824 6.019 ± 0.7429
ea27 1342 1342/1342 1342 ± 0.0000266 5.641 5.258/6.722 5.899 ± 0.7579
ea28 1342 1342/1342 1342 ± 0.00002923 5.836 5.614/6.772 6.16 ± 0.7063
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 ± 0.00002349 5.28 4.943/5.459 5.243 ± 0.3551
3 1342 1342/1342 1342 ± 0.00002591 5.06 4.851/5.293 5.04 ± 0.3211
4 1342 1342/1342 1342 ± 0.00002481 5.256 4.979/5.432 5.174 ± 0.3603
5 1342 1342/1342 1342 ± 0.00002349 5.265 5.053/5.654 5.308 ± 0.4171
6 1342 1342/1342 1342 ± 0.00002349 5.242 5.032/5.488 5.219 ± 0.3457
7 1342 1342/1342 1342 ± 0.00002349 5.381 5.15/5.482 5.284 ± 0.3416
8 1342 1342/1342 1342 ± 0.00002349 5.386 5.082/5.556 5.277 ± 0.373
9 1342 1342/1342 1342 ± 0.00002349 5.62 5.315/5.929 5.574 ± 0.4251
10 1342 1342/1342 1342 ± 0.00002349 6.169 5.848/6.337 6.07 ± 0.3868
11 1342 1342/1342 1342 ± 0.00002349 6.403 6.128/6.598 6.307 ± 0.4147
12 1342 1342/1342 1342 ± 0.00002349 6.514 6.279/6.768 6.487 ± 0.4346
13 1342 1342/1342 1342 ± 0.00002349 7.107 6.733/7.249 6.972 ± 0.4543
14 1342 1342/1342 1342 ± 0.00002349 7.237 6.877/7.483 7.149 ± 0.4963
15 1342 1342/1342 1342 ± 0.00002349 6.757 6.516/7.037 6.699 ± 0.4701
16 1342 1342/1342 1342 ± 0.00003595 5.999 5.75/6.253 5.962 ± 0.389
17 1342 1342/1342 1342 ± 0.00003606 5.972 5.727/6.177 5.942 ± 0.3757
datacolumn
residual_data
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2025-01-07 07:00:37.646
End
2025-01-07 07:58:05.881
Duration
0:57:28.235
Note, WebLog generation is not included in the time.

CASA logs for stage 8