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

Statwt Summary Plot

VLASS2.1.sb38550653.eb38589596.59083.30140427084_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 5.399 5.342/6.168 5.735 ± 0.5109
ea02 1342 1342/1342 1342 ± 0 5.901 5.648/6.729 6.172 ± 0.6259
ea04 1342 1342/1342 1342 ± 0 5.584 5.131/6.228 5.678 ± 0.5874
ea05 1342 1342/1342 1342 ± 0 6.042 5.434/6.472 5.977 ± 0.5976
ea06 1342 1342/1342 1342 ± 0 4.963 4.581/5.282 4.924 ± 0.4007
ea07 1342 1342/1342 1342 ± 0 5.793 5.489/6.301 5.974 ± 0.588
ea08 1342 1342/1342 1342 ± 0 5.827 5.718/6.837 6.248 ± 0.6382
ea09 1342 1342/1342 1342 ± 0 5.902 5.305/6.612 5.951 ± 0.6277
ea10 1342 1342/1342 1342 ± 0.00001674 5.763 5.231/6.367 5.816 ± 0.5836
ea11 1342 1342/1342 1342 ± 0 6.11 5.234/6.402 5.943 ± 0.6524
ea12 1342 1342/1342 1342 ± 0 6.024 5.414/6.553 6.077 ± 0.6547
ea13 1342 1342/1342 1342 ± 0 6.139 5.763/6.384 6.178 ± 0.4806
ea14 1342 1342/1342 1342 ± 0.00001183 5.775 5.386/6.54 5.924 ± 0.678
ea15 1342 1342/1342 1342 ± 0 5.787 5.135/6.302 5.791 ± 0.7086
ea16 1342 1342/1342 1342 ± 0.000005843 6.101 5.805/6.893 6.302 ± 0.6809
ea17 1342 1342/1342 1342 ± 0 6.135 5.712/6.712 6.241 ± 0.6177
ea18 1342 1342/1342 1342 ± 0 5.26 4.866/5.728 5.309 ± 0.5417
ea19 1342 1342/1342 1342 ± 0 6.248 5.643/6.791 6.2 ± 0.6262
ea20 1342 1342/1342 1342 ± 0 6.393 5.785/6.967 6.339 ± 0.6605
ea21 1342 1342/1342 1342 ± 0 5.697 5.428/6.334 5.864 ± 0.569
ea22 1342 1342/1342 1342 ± 0 5.685 5.338/6.516 5.891 ± 0.6274
ea23 1342 1342/1342 1342 ± 0.000003888 5.777 5.526/6.677 6.104 ± 0.6943
ea25 1342 1342/1342 1342 ± 0 5.889 5.281/6.273 5.821 ± 0.607
ea26 1342 1342/1342 1342 ± 0 6.036 5.67/6.808 6.228 ± 0.5936
ea27 1342 1342/1342 1342 ± 0.00003917 5.73 5.372/6.454 5.893 ± 0.5825
ea28 1342 1342/1342 1342 ± 0.000001126 5.674 5.493/6.581 5.976 ± 0.6484
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 ± 0.00002348 5.408 5.238/5.66 5.415 ± 0.2795
4 1342 1342/1342 1342 ± 0.00002392 5.264 5.151/5.52 5.271 ± 0.384
5 1342 1342/1342 1342 ± 0.00002348 5.406 5.135/5.596 5.382 ± 0.3297
6 1342 1342/1342 1342 ± 0.00002348 5.325 5.098/5.47 5.295 ± 0.3021
7 1342 1342/1342 1342 ± 0.00002348 5.459 5.278/5.656 5.428 ± 0.2891
8 1342 1342/1342 1342 ± 0.00002348 5.478 5.213/5.596 5.384 ± 0.31
9 1342 1342/1342 1342 ± 0.00002348 5.747 5.54/5.942 5.671 ± 0.3496
10 1342 1342/1342 1342 ± 0.00002348 6.147 6.023/6.29 6.102 ± 0.3214
11 1342 1342/1342 1342 ± 0.00002348 6.375 6.22/6.501 6.323 ± 0.342
12 1342 1342/1342 1342 ± 0.00002348 6.529 6.33/6.694 6.469 ± 0.3715
13 1342 1342/1342 1342 ± 0.00002348 6.985 6.799/7.131 6.91 ± 0.3999
14 1342 1342/1342 1342 ± 0.00002348 7.111 6.932/7.348 7.05 ± 0.4322
15 1342 1342/1342 1342 ± 0.00002348 6.679 6.399/6.866 6.594 ± 0.3978
16 1342 1342/1342 1342 ± 0.00003408 5.894 5.711/6.15 5.918 ± 0.3503
17 1342 1342/1342 1342 ± 0.00003249 5.928 5.746/6.232 5.928 ± 0.346
datacolumn
residual_data
vis
VLASS2.1.sb38550653.eb38589596.59083.30140427084_split_split.ms
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-05-17 13:30:06.265
End
2024-05-17 14:41:39.327
Duration
1:11:33.062
Note, WebLog generation is not included in the time.

CASA logs for stage 8