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

Statwt Summary Plot

VLASS2.2.sb40879186.eb40941791.59520.340825879626_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 6.004 5.619/6.684 6.193 ± 0.6655
ea03 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea04 1342 1342/1342 1342 ± 0.000009515 5.831 5.398/6.584 5.979 ± 0.6502
ea06 1342 1342/1342 1342 ± 0 6.226 5.477/6.552 6.078 ± 0.6726
ea07 1342 1342/1342 1342 ± 0 6.12 5.486/6.345 6.056 ± 0.5912
ea08 1342 1342/1342 1342 ± 0.00002066 6.066 5.604/6.772 6.249 ± 0.6708
ea09 1342 1342/1342 1342 ± 0 5.975 5.469/6.719 6.075 ± 0.6799
ea10 1342 1342/1342 1342 ± 0.000005958 6.177 5.669/6.937 6.293 ± 0.6547
ea11 1342 1342/1342 1342 ± 0 6.004 5.449/6.631 6.105 ± 0.6917
ea12 1342 1342/1342 1342 ± 0 6.281 5.672/6.692 6.266 ± 0.6545
ea13 1342 1342/1342 1342 ± 0.000005718 5.755 5.629/6.316 5.958 ± 0.51
ea14 1342 1342/1342 1342 ± 0 6.476 5.771/6.996 6.495 ± 0.7581
ea15 1342 1342/1342 1342 ± 0 5.848 5.322/6.207 5.799 ± 0.6097
ea16 1342 1342/1342 1342 ± 0 6.332 5.79/6.892 6.441 ± 0.7377
ea17 1342 1342/1342 1342 ± 0 6.479 6.015/7.42 6.667 ± 0.7203
ea18 1342 1342/1342 1342 ± 0 5.058 4.644/5.517 5.099 ± 0.5619
ea19 1342 1342/1342 1342 ± 0 6.574 5.868/7.155 6.579 ± 0.7506
ea20 1342 1342/1342 1342 ± 0 6.134 5.82/6.999 6.308 ± 0.6589
ea21 1342 1342/1342 1342 ± 0 6.025 5.625/6.642 6.163 ± 0.6254
ea22 1342 1342/1342 1342 ± 0 6.198 5.347/6.613 6.053 ± 0.7062
ea23 1342 1342/1342 1342 ± 0 6.23 5.833/6.855 6.436 ± 0.6745
ea24 1342 1342/1342 1342 ± 0 5.795 5.16/6.419 5.754 ± 0.6401
ea26 1342 1342/1342 1342 ± 0 6.316 5.804/7.12 6.408 ± 0.7728
ea27 1342 1342/1342 1342 ± 0.000006304 6.079 5.818/7.141 6.38 ± 0.7483
ea28 1342 1342/1342 1342 ± 0 6.055 5.832/6.966 6.414 ± 0.7125
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 ± 0.00002441 5.702 5.487/5.838 5.648 ± 0.3107
4 1342 1342/1342 1342 ± 0.00002483 5.303 5.066/5.447 5.251 ± 0.3585
5 1342 1342/1342 1342 ± 0.00002441 5.641 5.404/5.771 5.573 ± 0.3364
6 1342 1342/1342 1342 ± 0.00002441 5.621 5.338/5.773 5.547 ± 0.2843
7 1342 1342/1342 1342 ± 0.00002441 5.629 5.446/5.836 5.598 ± 0.295
8 1342 1342/1342 1342 ± 0.00002441 5.582 5.29/5.816 5.538 ± 0.3386
9 1342 1342/1342 1342 ± 0.00002441 5.901 5.605/6.077 5.823 ± 0.348
10 1342 1342/1342 1342 ± 0.00002441 6.369 6.178/6.524 6.288 ± 0.3412
11 1342 1342/1342 1342 ± 0.00002441 6.564 6.326/6.834 6.538 ± 0.3614
12 1342 1342/1342 1342 ± 0.00002441 6.692 6.457/6.959 6.684 ± 0.4037
13 1342 1342/1342 1342 ± 0.00002441 7.166 6.912/7.516 7.165 ± 0.4302
14 1342 1342/1342 1342 ± 0.00002441 7.453 7.247/7.745 7.397 ± 0.4139
15 1342 1342/1342 1342 ± 0.00002441 7.102 6.787/7.406 7.04 ± 0.4134
16 1342 1342/1342 1342 ± 0.00002441 6.32 6.076/6.448 6.307 ± 0.4
17 1342 1342/1342 1342 ± 0.00003003 6.248 6.005/6.449 6.227 ± 0.3826
output_dir
 
vis
VLASS2.2.sb40879186.eb40941791.59520.340825879626_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-04-18 13:39:43.651
End
2025-04-18 14:32:55.912
Duration
0:53:12.261
Note, WebLog generation is not included in the time.

CASA logs for stage 8