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

Statwt Summary Plot

VLASS2.1.sb38450628.eb38515240.59049.50130047454_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 5.589 5.34/6.162 5.672 ± 0.6992
ea02 1342 1342/1342 1342 ± 0.00003705 6.015 5.452/6.716 6.042 ± 0.8282
ea04 1342 1342/1342 1342 ± 0.00003908 5.468 5.075/6.093 5.432 ± 0.7901
ea05 1342 1342/1342 1342 ± 0.0000217 5.536 5.03/6.385 5.632 ± 0.8523
ea06 1342 1342/1342 1342 ± 0.0000381 5.261 4.94/5.905 5.28 ± 0.7393
ea07 1342 1342/1342 1342 ± 0.00002871 5.844 5.375/6.24 5.846 ± 0.7532
ea09 1342 1342/1342 1342 ± 0.00003456 5.553 5.121/6.193 5.448 ± 0.8129
ea10 1342 1342/1342 1342 ± 0.00002857 5.664 4.875/5.857 5.335 ± 0.6345
ea11 1342 1342/1342 1342 ± 0.00003108 6.036 5.466/6.567 5.937 ± 0.8145
ea12 1342 1342/1342 1342 ± 0.00003701 5.889 5.498/6.614 5.876 ± 0.8842
ea13 1342 1342/1342 1342 ± 0.00002558 5.769 5.537/6.233 5.794 ± 0.8356
ea14 1342 1342/1342 1342 ± 0.00003343 5.75 5.421/6.637 5.882 ± 0.9332
ea15 1342 1342/1342 1342 ± 0.00003845 5.678 5.368/6.533 5.734 ± 0.9557
ea16 1342 1342/1342 1342 ± 0.00003213 5.812 5.521/6.809 5.998 ± 1.025
ea17 1342 1342/1342 1342 ± 0.0000305 5.947 5.562/6.707 6.041 ± 0.8295
ea18 1342 1342/1342 1342 ± 0.00003347 5.051 4.857/5.57 5.104 ± 0.6234
ea19 1342 1342/1342 1342 ± 0.00001772 5.792 5.468/6.712 5.887 ± 0.9254
ea20 1342 1342/1342 1342 ± 0.00003264 6.134 6.013/6.985 6.27 ± 0.8869
ea21 1342 1342/1342 1342 ± 0.00003111 5.577 5.362/6.371 5.704 ± 0.8796
ea22 1342 1342/1342 1342 ± 0.00003617 5.555 5.213/6.507 5.719 ± 0.9473
ea23 1342 1342/1342 1342 ± 0.00002938 5.909 5.535/6.659 6.023 ± 0.9087
ea24 1342 1342/1342 1342 ± 0.00002449 5.162 4.8/6.133 5.305 ± 0.7974
ea25 1342 1342/1342 1342 ± 0.0000283 5.715 5.368/6.375 5.785 ± 0.7318
ea26 1342 1342/1342 1342 ± 0.00003147 5.836 5.66/6.779 6.03 ± 0.9241
ea27 1342 1342/1342 1342 ± 0.00002943 5.662 5.336/6.498 5.777 ± 0.75
ea28 1342 1342/1342 1342 ± 0.00003144 5.86 5.556/6.721 6.046 ± 0.8466
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 ± 0.00002349 5.451 5.319/5.657 5.443 ± 0.3177
5 1342 1342/1342 1342 ± 0.00002712 5.48 5.241/5.645 5.442 ± 0.3342
6 1342 1342/1342 1342 ± 0.00002349 5.366 5.082/5.487 5.304 ± 0.2571
7 1342 1342/1342 1342 ± 0.00002349 5.424 5.209/5.534 5.36 ± 0.2747
8 1342 1342/1342 1342 ± 0.00002349 5.379 5.072/5.489 5.321 ± 0.317
9 1342 1342/1342 1342 ± 0.00002349 5.68 5.295/5.802 5.606 ± 0.3028
10 1342 1342/1342 1342 ± 0.00002349 6.118 5.859/6.194 6.033 ± 0.29
11 1342 1342/1342 1342 ± 0.00002349 6.363 6.039/6.532 6.317 ± 0.2985
12 1342 1342/1342 1342 ± 0.00002349 6.497 6.226/6.711 6.487 ± 0.3467
13 1342 1342/1342 1342 ± 0.0000236 6.683 6.361/6.921 6.613 ± 0.4216
14 1342 1342/1342 1342 ± 0.00002449 6.763 6.341/7.001 6.659 ± 0.4884
15 1342 1342/1342 1342 ± 0.00002945 6.677 6.368/6.949 6.611 ± 0.4141
16 1342 1342/1342 1342 ± 0.0000475 3.661 3.536/3.787 3.661 ± 0.1911
17 1342 1342/1342 1342 ± 0.00004812 3.768 3.519/4.021 3.785 ± 0.434
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38450628.eb38515240.59049.50130047454_split_split.ms
Start time
2024-10-31 11:49:32.089
End
2024-10-31 12:53:22.328
Duration
1:03:50.238
Note, WebLog generation is not included in the time.

CASA logs for stage 8