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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.217 5.827/6.901 6.331 ± 0.7894
ea03 1342 1342/1342 1342 ± 0.000002449 5.596 5.072/6.517 5.724 ± 0.8871
ea04 1342 1342/1342 1342 ± 0 5.596 5.237/6.444 5.858 ± 0.8299
ea05 1342 1342/1342 1342 ± 0 6.241 5.623/7.088 6.344 ± 0.8152
ea06 1342 1342/1342 1342 ± 0 6.118 5.559/6.62 6.108 ± 0.7716
ea07 1342 1342/1342 1342 ± 0 6.082 5.429/6.49 6.03 ± 0.8061
ea08 1342 1342/1342 1342 ± 0 6.066 5.486/6.847 6.152 ± 0.8081
ea09 1342 1342/1342 1342 ± 0 6.108 5.531/6.823 6.159 ± 0.8743
ea10 1342 1342/1342 1342 ± 0 6.33 5.62/7.117 6.267 ± 0.9258
ea11 1342 1342/1342 1342 ± 0 6.383 5.387/6.819 6.212 ± 0.8371
ea12 1342 1342/1342 1342 ± 0 6.533 5.705/6.947 6.431 ± 0.8288
ea13 1342 1342/1342 1342 ± 0 5.735 5.654/6.354 5.997 ± 0.5054
ea14 1342 1342/1342 1342 ± 0 6.34 5.689/6.962 6.332 ± 0.9092
ea15 1342 1342/1342 1342 ± 0 5.856 5.382/6.462 5.912 ± 0.7813
ea16 1342 1342/1342 1342 ± 0 6.512 5.885/7.025 6.446 ± 0.8685
ea17 1342 1342/1342 1342 ± 0 6.816 6.247/7.822 6.952 ± 0.8561
ea18 1342 1342/1342 1342 ± 0 5.18 4.739/5.546 5.207 ± 0.5008
ea19 1342 1342/1342 1342 ± 0 6.416 5.881/7.102 6.469 ± 0.885
ea20 1342 1342/1342 1342 ± 0 5.959 5.547/6.676 6.069 ± 0.8196
ea21 1342 1342/1342 1342 ± 0 5.409 5.132/6.003 5.6 ± 0.5381
ea22 1342 1342/1342 1342 ± 0.000005488 6.359 5.413/6.76 6.147 ± 0.7653
ea23 1342 1342/1342 1342 ± 0 6.341 5.737/6.9 6.396 ± 0.7761
ea24 1342 1342/1342 1342 ± 0 5.987 5.312/6.618 5.96 ± 0.6499
ea25 1342 1342/1342 1342 ± 0 6.775 5.669/7.183 6.562 ± 0.9029
ea26 1342 1342/1342 1342 ± 0 6.687 6.108/7.479 6.685 ± 0.8802
ea27 1342 1342/1342 1342 ± 0 6.136 5.63/7.03 6.236 ± 0.7998
ea28 1342 1342/1342 1342 ± 0 6.221 5.845/7.072 6.468 ± 0.7834
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 ± 0.00002308 5.573 5.334/5.819 5.559 ± 0.3337
3 1342 1342/1342 1342 ± 0.0000242 5.267 4.998/5.406 5.246 ± 0.3261
4 1342 1342/1342 1342 ± 0.00003168 4.291 4.172/4.449 4.345 ± 0.2925
5 1342 1342/1342 1342 ± 0.00002308 5.663 5.319/5.765 5.574 ± 0.342
6 1342 1342/1342 1342 ± 0.00002308 5.557 5.428/5.813 5.553 ± 0.3099
7 1342 1342/1342 1342 ± 0.00002308 5.645 5.408/5.766 5.607 ± 0.312
8 1342 1342/1342 1342 ± 0.00002308 5.547 5.308/5.806 5.545 ± 0.3526
9 1342 1342/1342 1342 ± 0.00002308 5.877 5.64/6.131 5.858 ± 0.3482
10 1342 1342/1342 1342 ± 0.00002308 6.536 6.254/6.655 6.428 ± 0.3554
11 1342 1342/1342 1342 ± 0.00002308 6.751 6.488/6.909 6.677 ± 0.3761
12 1342 1342/1342 1342 ± 0.00002308 6.896 6.598/7.035 6.805 ± 0.4451
13 1342 1342/1342 1342 ± 0.00002308 7.375 7.105/7.697 7.331 ± 0.4808
14 1342 1342/1342 1342 ± 0.00002308 7.601 7.202/7.856 7.526 ± 0.4894
15 1342 1342/1342 1342 ± 0.00002308 7.15 6.798/7.432 7.13 ± 0.4474
16 1342 1342/1342 1342 ± 0.00002308 6.415 6.223/6.789 6.449 ± 0.4419
17 1342 1342/1342 1342 ± 0.00002308 6.464 6.206/6.649 6.399 ± 0.4676
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-06-11 11:39:32.407
End
2025-06-11 12:51:27.868
Duration
1:11:55.461
Note, WebLog generation is not included in the time.

CASA logs for stage 8