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

Statwt Summary Plot

VLASS2.1.sb38726305.eb38809014.59142.09063322916_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 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea02 1342 1342/1342 1342 ± 0 5.767 5.273/6.363 5.688 ± 0.8679
ea03 1342 1342/1342 1342 ± 0.00001766 4.995 4.76/5.896 5.222 ± 0.7028
ea04 1342 1342/1342 1342 ± 0.00003065 5.407 5.002/6.132 5.38 ± 0.8901
ea05 1342 1342/1342 1342 ± 0.00000939 4.862 4.513/5.514 5.035 ± 0.6086
ea06 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea07 1342 1342/1342 1342 ± 0.00002322 5.755 5.296/6.248 5.711 ± 0.8982
ea08 1342 1342/1342 1342 ± 0.00004273 5.866 5.467/6.663 5.847 ± 0.9233
ea09 1342 1342/1342 1342 ± 0.00004207 5.629 5.079/6.268 5.53 ± 0.7944
ea10 1342 1342/1342 1342 ± 0.00003225 5.732 5.175/6.613 5.716 ± 0.9212
ea11 1342 1342/1342 1342 ± 0.00004196 5.718 5.057/6.511 5.611 ± 0.9413
ea12 1342 1342/1342 1342 ± 0.00003802 5.552 5.146/6.435 5.607 ± 0.9677
ea13 1342 1342/1342 1342 ± 0.00001958 5.744 5.595/6.363 5.799 ± 0.737
ea14 1342 1342/1342 1342 ± 0.00002228 5.518 5.092/6.379 5.652 ± 0.8606
ea15 1342 1342/1342 1342 ± 0.000001218 2.422 2.275/2.798 2.553 ± 0.4187
ea16 1342 1342/1342 1342 ± 0.00002172 5.699 5.365/6.781 5.928 ± 0.9755
ea17 1342 1342/1342 1342 ± 0.00004216 6.069 5.523/6.888 6.041 ± 1.012
ea18 1342 1342/1342 1342 ± 0.00004364 4.806 4.605/5.53 4.857 ± 0.6444
ea19 1342 1342/1342 1342 ± 0.00001944 5.416 5.182/6.289 5.676 ± 0.7794
ea20 1342 1342/1342 1342 ± 0.0000427 5.814 5.49/6.969 5.959 ± 1.024
ea21 1342 1342/1342 1342 ± 0.00001654 5.537 5.236/6.408 5.662 ± 0.8277
ea23 1342 1342/1342 1342 ± 0.00002015 5.824 5.272/6.715 5.874 ± 0.984
ea24 1342 1342/1342 1342 ± 0.00004421 5.47 5.223/6.347 5.554 ± 0.8028
ea25 1342 1342/1342 1342 ± 0.00004231 5.479 5.176/6.157 5.462 ± 0.8231
ea26 1342 1342/1342 1342 ± 0.00002321 5.67 5.477/6.66 5.833 ± 0.8765
ea27 1342 1342/1342 1342 ± 0.00004 5.405 5.065/6.37 5.532 ± 0.8701
ea28 1342 1342/1342 1342 ± 0.00004274 5.31 5.066/6.111 5.409 ± 0.7763
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 5.298 5.154/5.564 5.225 ± 0.6324
5 1342 1342/1342 1342 ± 0.00002699 5.212 4.976/5.448 5.181 ± 0.3452
6 1342 1342/1342 1342 ± 0.00002392 5.251 5.051/5.467 5.107 ± 0.6431
7 1342 1342/1342 1342 ± 0.00002392 5.238 5.151/5.467 5.145 ± 0.6474
8 1342 1342/1342 1342 ± 0.00002392 5.267 5.071/5.367 5.118 ± 0.6632
9 1342 1342/1342 1342 ± 0.00002392 5.526 5.25/5.751 5.365 ± 0.7067
10 1342 1342/1342 1342 ± 0.00002392 6.036 5.724/6.172 5.813 ± 0.7671
11 1342 1342/1342 1342 ± 0.00002392 6.354 6.089/6.44 6.112 ± 0.7643
12 1342 1342/1342 1342 ± 0.00002392 6.499 6.25/6.676 6.33 ± 0.8031
13 1342 1342/1342 1342 ± 0.00002392 6.685 6.395/6.932 6.562 ± 0.7687
14 1342 1342/1342 1342 ± 0.00002537 6.607 6.143/6.953 6.463 ± 0.7902
15 1342 1342/1342 1342 ± 0.00002392 6.554 6.227/6.873 6.384 ± 0.919
16 1342 1342/1342 1342 ± 0.00005986 3.99 3.833/4.137 3.915 ± 0.4877
17 1342 1342/1342 1342 ± 0.000061 4.153 3.956/4.352 4.094 ± 0.4761
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38726305.eb38809014.59142.09063322916_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-11 09:31:07.119
End
2025-01-11 10:44:51.317
Duration
1:13:44.198
Note, WebLog generation is not included in the time.

CASA logs for stage 8