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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.602 5.297/6.105 5.579 ± 0.8165
ea02 1342 1342/1342 1342 ± 0.00004326 6.001 5.517/6.651 5.888 ± 0.9802
ea04 1342 1342/1342 1342 ± 0 4.889 4.683/5.528 5.015 ± 0.6237
ea05 1342 1342/1342 1342 ± 0.00001394 5.077 4.686/5.919 5.208 ± 0.6866
ea06 1342 1342/1342 1342 ± 0 4.749 4.591/5.266 4.845 ± 0.5526
ea07 1342 1342/1342 1342 ± 0.0000427 5.753 5.264/5.982 5.525 ± 0.7797
ea08 1342 1342/1342 1342 ± 0.00004267 6.164 5.684/6.82 6.042 ± 1.029
ea09 1342 1342/1342 1342 ± 0.000002494 5.462 5.024/6.305 5.541 ± 0.7347
ea10 1342 1342/1342 1342 ± 0.00004358 5.599 5.246/6.362 5.593 ± 0.8537
ea11 1342 1342/1342 1342 ± 0.00003082 5.713 5.169/6.234 5.543 ± 0.926
ea12 1342 1342/1342 1342 ± 0 5.282 4.978/6.19 5.451 ± 0.8329
ea13 1342 1342/1342 1342 ± 0.000004712 5.73 5.433/6.055 5.72 ± 0.6923
ea14 1342 1342/1342 1342 ± 0.000004993 5.393 5.131/6.316 5.521 ± 0.7863
ea15 1342 1342/1342 1342 ± 0 4.981 4.727/5.832 5.246 ± 0.7743
ea16 1342 1342/1342 1342 ± 0.00002543 5.562 5.189/6.321 5.564 ± 0.7993
ea17 1342 1342/1342 1342 ± 0.00004263 6.106 5.642/7.04 5.989 ± 1.061
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.353 5.091/6.244 5.493 ± 0.7492
ea20 1342 1342/1342 1342 ± 0 5.557 5.269/6.535 5.666 ± 0.8939
ea21 1342 1342/1342 1342 ± 0.00002284 5.19 4.972/5.855 5.264 ± 0.7383
ea22 1342 1342/1342 1342 ± 0.00003545 5.564 5.271/6.497 5.673 ± 0.8856
ea23 1342 1342/1342 1342 ± 0.00004261 5.573 5.181/6.349 5.606 ± 0.8566
ea25 1342 1342/1342 1342 ± 0.00004143 5.625 5.214/6.302 5.562 ± 0.9121
ea26 1342 1342/1342 1342 ± 0.00001123 5.605 5.464/6.41 5.716 ± 0.7351
ea27 1342 1342/1342 1342 ± 0.00004686 5.649 5.194/6.482 5.621 ± 0.9076
ea28 1342 1342/1342 1342 ± 0.00004326 6.017 5.59/6.604 5.821 ± 1.004
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 ± 0.00002408 5.584 5.218/5.706 5.473 ± 0.3404
5 1342 1342/1342 1342 ± 0.00002455 5.192 4.96/5.333 5.164 ± 0.3095
6 1342 1342/1342 1342 ± 0.00002408 5.3 5.128/5.639 5.339 ± 0.353
7 1342 1342/1342 1342 ± 0.00002408 5.271 5.083/5.487 5.236 ± 0.3145
8 1342 1342/1342 1342 ± 0.00002408 5.196 5.079/5.38 5.197 ± 0.3299
9 1342 1342/1342 1342 ± 0.00002408 5.528 5.236/5.698 5.488 ± 0.3744
10 1342 1342/1342 1342 ± 0.00002408 5.9 5.601/6.049 5.854 ± 0.3642
11 1342 1342/1342 1342 ± 0.00002408 6.126 5.906/6.357 6.113 ± 0.3736
12 1342 1342/1342 1342 ± 0.00002408 6.322 6.052/6.535 6.284 ± 0.3917
13 1342 1342/1342 1342 ± 0.00002509 6.579 6.38/6.767 6.564 ± 0.3309
14 1342 1342/1342 1342 ± 0.00002971 6.472 6.214/6.674 6.443 ± 0.3312
15 1342 1342/1342 1342 ± 0.00002451 6.609 6.34/6.805 6.547 ± 0.4565
16 1342 1342/1342 1342 ± 0.00006103 3.869 3.733/4.035 3.887 ± 0.2059
17 1342 1342/1342 1342 ± 0.00006068 4.093 3.927/4.239 4.085 ± 0.2197
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
output_dir
 
Start time
2025-02-08 00:07:50.266
End
2025-02-08 00:30:45.720
Duration
0:22:55.453
Note, WebLog generation is not included in the time.

CASA logs for stage 8