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 5.217 5.159/5.893 5.418 ± 0.617
ea02 1342 1342/1342 1342 ± 0.00003421 5.795 5.342/6.457 5.77 ± 0.8467
ea04 1342 1342/1342 1342 ± 0.00001396 5.042 4.894/5.79 5.271 ± 0.6041
ea05 1342 1342/1342 1342 ± 0.00001067 5.459 5.062/6.31 5.64 ± 0.7068
ea06 1342 1342/1342 1342 ± 0 4.963 4.791/5.417 5.034 ± 0.5312
ea07 1342 1342/1342 1342 ± 0.00004142 5.6 5.193/5.966 5.6 ± 0.6968
ea08 1342 1342/1342 1342 ± 0.00004167 5.629 5.404/6.576 5.853 ± 0.8252
ea09 1342 1342/1342 1342 ± 0 5.292 5.066/6.241 5.486 ± 0.719
ea10 1342 1342/1342 1342 ± 0.00004272 5.451 5.125/6.312 5.584 ± 0.7373
ea11 1342 1342/1342 1342 ± 0.00003105 5.448 5.049/6.151 5.538 ± 0.771
ea12 1342 1342/1342 1342 ± 0 5.435 5.192/6.222 5.591 ± 0.7508
ea13 1342 1342/1342 1342 ± 0 5.779 5.643/6.261 5.892 ± 0.6582
ea14 1342 1342/1342 1342 ± 0.00001374 5.402 5.207/6.378 5.707 ± 0.7444
ea15 1342 1342/1342 1342 ± 0 5.343 5.095/6.071 5.52 ± 0.7154
ea16 1342 1342/1342 1342 ± 0.00002228 5.836 5.398/6.537 5.894 ± 0.8107
ea17 1342 1342/1342 1342 ± 0.00004242 5.658 5.39/6.776 5.815 ± 0.8255
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.67 5.404/6.549 5.877 ± 0.7548
ea20 1342 1342/1342 1342 ± 0 5.724 5.388/6.626 5.855 ± 0.8385
ea21 1342 1342/1342 1342 ± 0.00002067 5.486 5.247/6.09 5.583 ± 0.6873
ea22 1342 1342/1342 1342 ± 0.00001346 5.437 5.146/6.389 5.599 ± 0.8133
ea23 1342 1342/1342 1342 ± 0.00004091 5.552 5.389/6.389 5.775 ± 0.8206
ea25 1342 1342/1342 1342 ± 0.00004027 5.35 5.129/6.051 5.447 ± 0.7198
ea26 1342 1342/1342 1342 ± 0 5.508 5.396/6.413 5.727 ± 0.6853
ea27 1342 1342/1342 1342 ± 0.00004222 5.339 5.003/6.278 5.511 ± 0.7097
ea28 1342 1342/1342 1342 ± 0.00004252 5.501 5.205/6.356 5.638 ± 0.757
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 ± 0.00002404 5.39 5.221/5.562 5.385 ± 0.209
4 1342 1342/1342 1342 ± 0.00003002 5.28 5.07/5.47 5.294 ± 0.3506
5 1342 1342/1342 1342 ± 0.00002452 5.289 5.089/5.467 5.315 ± 0.2626
6 1342 1342/1342 1342 ± 0.00002404 5.208 5.14/5.434 5.243 ± 0.2209
7 1342 1342/1342 1342 ± 0.00002404 5.293 5.131/5.401 5.282 ± 0.1966
8 1342 1342/1342 1342 ± 0.00002404 5.271 5.056/5.402 5.238 ± 0.2277
9 1342 1342/1342 1342 ± 0.00002404 5.564 5.417/5.742 5.519 ± 0.2699
10 1342 1342/1342 1342 ± 0.00002404 5.916 5.807/6.022 5.889 ± 0.2276
11 1342 1342/1342 1342 ± 0.00002404 6.208 6.031/6.266 6.127 ± 0.2514
12 1342 1342/1342 1342 ± 0.00002404 6.308 6.086/6.401 6.264 ± 0.2809
13 1342 1342/1342 1342 ± 0.00002404 6.651 6.517/6.765 6.628 ± 0.2686
14 1342 1342/1342 1342 ± 0.00002413 6.775 6.528/6.948 6.742 ± 0.3019
15 1342 1342/1342 1342 ± 0.00002404 6.64 6.411/6.753 6.569 ± 0.3781
16 1342 1342/1342 1342 ± 0.00006084 4.387 4.266/4.55 4.401 ± 0.1927
17 1342 1342/1342 1342 ± 0.00005977 4.358 4.266/4.486 4.372 ± 0.2248
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
Start time
2025-05-20 17:34:23.643
End
2025-05-20 18:01:34.870
Duration
0:27:11.227
Note, WebLog generation is not included in the time.

CASA logs for stage 8