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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.238 5.114/6.016 5.517 ± 0.6992
ea02 1342 1342/1342 1342 ± 0.00003578 5.907 5.294/6.594 5.9 ± 0.9052
ea04 1342 1342/1342 1342 ± 0.00003788 5.321 5.087/6.047 5.512 ± 0.6918
ea05 1342 1342/1342 1342 ± 0.00001451 5.544 5.149/6.517 5.759 ± 0.8853
ea06 1342 1342/1342 1342 ± 0.000031 5.164 4.595/5.391 4.935 ± 0.5048
ea07 1342 1342/1342 1342 ± 0.00003438 6.033 5.318/6.175 5.773 ± 0.8058
ea08 1342 1342/1342 1342 ± 0.00003444 6.111 5.514/6.858 6.158 ± 0.9395
ea09 1342 1342/1342 1342 ± 0.0000333 5.535 5.073/6.336 5.593 ± 0.8374
ea10 1342 1342/1342 1342 ± 0.0000333 5.83 5.059/6.396 5.667 ± 0.8333
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003596 5.456 5.249/6.464 5.748 ± 0.8686
ea13 1342 1342/1342 1342 ± 0.00001981 5.767 5.592/6.324 5.971 ± 0.8698
ea14 1342 1342/1342 1342 ± 0.0000307 5.736 5.335/6.609 5.921 ± 0.9317
ea15 1342 1342/1342 1342 ± 0.00003007 5.772 5.134/6.515 5.742 ± 0.8457
ea16 1342 1342/1342 1342 ± 0.0000243 5.824 5.416/6.607 5.879 ± 0.9679
ea17 1342 1342/1342 1342 ± 0.00003527 5.964 5.365/6.862 6 ± 0.901
ea18 1342 1342/1342 1342 ± 0.00003577 4.897 4.711/5.71 5.078 ± 0.6217
ea19 1342 1342/1342 1342 ± 0.00001167 5.738 5.485/6.787 6.011 ± 0.9773
ea20 1342 1342/1342 1342 ± 0.00003594 5.771 5.631/6.851 6.037 ± 0.9082
ea21 1342 1342/1342 1342 ± 0.0000264 5.597 5.325/6.346 5.711 ± 0.8596
ea22 1342 1342/1342 1342 ± 0.00003548 5.389 5.068/6.372 5.613 ± 0.8613
ea23 1342 1342/1342 1342 ± 0.00003246 6.106 5.403/6.565 5.95 ± 0.8969
ea25 1342 1342/1342 1342 ± 0.00003553 5.547 5.13/6.304 5.645 ± 0.7898
ea27 1342 1342/1342 1342 ± 0.00003487 5.496 5.069/6.356 5.595 ± 0.7885
ea28 1342 1342/1342 1342 ± 0.0000366 5.574 5.366/6.529 5.879 ± 0.8514
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 ± 0.00002466 5.32 5.056/5.515 5.28 ± 0.2797
5 1342 1342/1342 1342 ± 0.00004249 5.284 5.049/5.397 5.241 ± 0.2461
6 1342 1342/1342 1342 ± 0.00002466 5.284 5.126/5.42 5.254 ± 0.2663
7 1342 1342/1342 1342 ± 0.00002466 5.285 5.124/5.435 5.268 ± 0.2339
8 1342 1342/1342 1342 ± 0.00002466 5.295 5.071/5.463 5.265 ± 0.264
9 1342 1342/1342 1342 ± 0.00002466 5.596 5.394/5.799 5.561 ± 0.317
10 1342 1342/1342 1342 ± 0.00002466 6.025 5.874/6.132 5.972 ± 0.2996
11 1342 1342/1342 1342 ± 0.00002466 6.289 6.12/6.384 6.245 ± 0.3093
12 1342 1342/1342 1342 ± 0.00002466 6.431 6.299/6.598 6.418 ± 0.3259
13 1342 1342/1342 1342 ± 0.00002493 6.658 6.404/6.865 6.567 ± 0.4001
14 1342 1342/1342 1342 ± 0.00002466 6.965 6.759/7.239 6.96 ± 0.3989
15 1342 1342/1342 1342 ± 0.00003157 6.713 6.53/7.021 6.701 ± 0.414
16 1342 1342/1342 1342 ± 0.00005323 3.92 3.815/4.021 3.92 ± 0.1568
17 1342 1342/1342 1342 ± 0.00005105 3.965 3.831/4.12 3.982 ± 0.2179
output_dir
 
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-02 08:41:07.906
End
2024-11-02 09:35:06.142
Duration
0:53:58.235
Note, WebLog generation is not included in the time.

CASA logs for stage 8