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

Statwt Summary Plot

VLASS3.2.sb45657603.eb46099145.60450.330123067135_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 6.17 5.866/6.809 6.281 ± 0.7644
ea02 1342 1342/1342 1342 ± 0 6.288 5.672/6.706 6.266 ± 0.7565
ea03 1342 1342/1342 1342 ± 0 6.027 5.511/6.718 6.151 ± 0.8334
ea04 1342 1342/1342 1342 ± 0 5.675 5.187/6.131 5.678 ± 0.7072
ea05 1342 1342/1342 1342 ± 0 6.171 5.623/6.76 6.108 ± 0.7547
ea06 1342 1342/1342 1342 ± 0 5.924 5.256/6.294 5.815 ± 0.8025
ea07 1342 1342/1342 1342 ± 0 6.101 5.504/6.748 6.141 ± 0.8153
ea08 1342 1342/1342 1342 ± 0 6.652 5.903/7.041 6.57 ± 0.7362
ea09 1342 1342/1342 1342 ± 0 5.793 5.325/6.386 5.803 ± 0.9322
ea10 1342 1342/1342 1342 ± 0 5.891 5.365/6.34 5.819 ± 0.7761
ea11 1342 1342/1342 1342 ± 0.000001068 5.815 5.45/6.632 5.946 ± 0.8001
ea12 1342 1342/1342 1342 ± 0 5.66 5.367/6.327 5.842 ± 0.7312
ea13 1342 1342/1342 1342 ± 0 6.011 5.663/6.453 5.966 ± 0.9567
ea14 1342 1342/1342 1342 ± 0 6.111 5.789/6.72 6.197 ± 0.7834
ea15 1342 1342/1342 1342 ± 0 6.839 6.651/7.467 7.026 ± 0.4792
ea17 1342 1342/1342 1342 ± 0 6.381 5.952/7.13 6.472 ± 0.8404
ea18 1342 1342/1342 1342 ± 0 6.424 5.92/7.088 6.522 ± 0.7242
ea19 1342 1342/1342 1342 ± 0 6.068 5.664/6.715 6.134 ± 0.8029
ea20 1342 1342/1342 1342 ± 0 6.46 6.039/7.173 6.584 ± 0.7562
ea21 1342 1342/1342 1342 ± 0 5.485 5.207/6.013 5.599 ± 0.5921
ea22 1342 1342/1342 1342 ± 0 6.193 5.706/6.714 6.224 ± 0.6881
ea23 1342 1342/1342 1342 ± 0 6.246 5.69/6.544 6.174 ± 0.8226
ea24 1342 1342/1342 1342 ± 0 6.328 5.444/6.723 6.095 ± 0.6381
ea25 1342 1342/1342 1342 ± 0 6.712 5.845/7.168 6.621 ± 0.8966
ea27 1342 1342/1342 1342 ± 0 5.764 5.327/6.512 5.819 ± 0.7999
ea28 1342 1342/1342 1342 ± 0 6.37 5.917/7.146 6.536 ± 0.7475
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 ± 0.00002392 5.605 5.403/5.805 5.618 ± 0.248
3 1342 1342/1342 1342 ± 0.0000247 4.322 4.006/4.561 4.33 ± 0.6348
4 1342 1342/1342 1342 ± 0.00002411 5.494 5.207/5.762 5.538 ± 0.3311
5 1342 1342/1342 1342 ± 0.00002392 5.664 5.341/5.848 5.639 ± 0.2898
6 1342 1342/1342 1342 ± 0.00002392 5.599 5.366/5.827 5.582 ± 0.2824
7 1342 1342/1342 1342 ± 0.00002392 5.69 5.521/5.853 5.66 ± 0.2526
8 1342 1342/1342 1342 ± 0.00002392 5.593 5.341/5.836 5.581 ± 0.3009
9 1342 1342/1342 1342 ± 0.00002392 5.858 5.693/6.104 5.881 ± 0.2977
10 1342 1342/1342 1342 ± 0.00002348 6.415 6.253/6.5 6.374 ± 0.2786
11 1342 1342/1342 1342 ± 0.00002348 6.562 6.373/6.748 6.586 ± 0.2825
12 1342 1342/1342 1342 ± 0.00002348 6.74 6.492/6.866 6.723 ± 0.3268
13 1342 1342/1342 1342 ± 0.00002348 7.217 6.905/7.535 7.224 ± 0.3569
14 1342 1342/1342 1342 ± 0.00002348 7.408 7.083/7.714 7.398 ± 0.3668
15 1342 1342/1342 1342 ± 0.00002348 7.137 6.756/7.366 7.08 ± 0.375
16 1342 1342/1342 1342 ± 0.00002348 6.417 6.158/6.801 6.467 ± 0.4134
17 1342 1342/1342 1342 ± 0.00002348 6.434 6.126/6.693 6.411 ± 0.406
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS3.2.sb45657603.eb46099145.60450.330123067135_split_split.ms
Start time
2025-07-30 02:58:05.362
End
2025-07-30 04:11:45.378
Duration
1:13:40.015
Note, WebLog generation is not included in the time.

CASA logs for stage 8