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 5.864 5.319/6.053 5.659 ± 0.5918
ea02 1342 1342/1342 1342 ± 0.00003254 5.949 5.37/6.658 6.042 ± 0.8098
ea04 1342 1342/1342 1342 ± 0.00003121 5.438 5.061/5.971 5.431 ± 0.6745
ea05 1342 1342/1342 1342 ± 0.000016 5.461 5.116/6.474 5.665 ± 0.8593
ea06 1342 1342/1342 1342 ± 0.00003081 4.938 4.694/5.334 4.911 ± 0.5228
ea07 1342 1342/1342 1342 ± 0.00001726 5.965 5.449/6.264 6.018 ± 0.674
ea08 1342 1342/1342 1342 ± 0.0000213 6.685 5.772/6.977 6.375 ± 0.8034
ea09 1342 1342/1342 1342 ± 0.00002979 5.588 5.073/6.312 5.567 ± 0.829
ea10 1342 1342/1342 1342 ± 0.00002231 5.805 5.226/6.451 5.836 ± 0.712
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003044 5.676 5.309/6.334 5.783 ± 0.7789
ea13 1342 1342/1342 1342 ± 0.00002551 5.763 5.593/6.315 5.968 ± 0.8476
ea14 1342 1342/1342 1342 ± 0.00002647 5.83 5.429/6.687 6.03 ± 0.9365
ea15 1342 1342/1342 1342 ± 0.00003153 5.489 5.156/6.261 5.556 ± 0.8182
ea16 1342 1342/1342 1342 ± 0.00002481 5.939 5.573/6.769 6.044 ± 0.9966
ea17 1342 1342/1342 1342 ± 0.00003061 6.24 5.745/6.741 6.225 ± 0.7853
ea18 1342 1342/1342 1342 ± 0.00002566 5.191 4.849/5.544 5.13 ± 0.587
ea19 1342 1342/1342 1342 ± 0.00001457 5.784 5.447/6.71 5.966 ± 0.8971
ea20 1342 1342/1342 1342 ± 0.00002872 5.929 5.775/6.753 6.149 ± 0.8238
ea21 1342 1342/1342 1342 ± 0.0000228 5.608 5.316/6.362 5.748 ± 0.8705
ea22 1342 1342/1342 1342 ± 0.00002761 5.411 5.154/6.422 5.722 ± 0.837
ea23 1342 1342/1342 1342 ± 0.00002075 5.923 5.521/6.677 6.132 ± 0.8816
ea25 1342 1342/1342 1342 ± 0.00002588 5.652 5.276/6.222 5.746 ± 0.6828
ea27 1342 1342/1342 1342 ± 0.00002402 5.614 5.361/6.484 5.794 ± 0.7061
ea28 1342 1342/1342 1342 ± 0.00002363 5.775 5.462/6.607 6.008 ± 0.7641
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 ± 0.00002441 5.44 5.268/5.697 5.449 ± 0.2717
5 1342 1342/1342 1342 ± 0.0000271 5.261 4.984/5.385 5.212 ± 0.3374
6 1342 1342/1342 1342 ± 0.00002441 5.336 5.102/5.475 5.301 ± 0.2744
7 1342 1342/1342 1342 ± 0.00002441 5.319 5.215/5.512 5.329 ± 0.2622
8 1342 1342/1342 1342 ± 0.00002441 5.375 5.158/5.49 5.32 ± 0.301
9 1342 1342/1342 1342 ± 0.00002441 5.649 5.43/5.92 5.616 ± 0.3512
10 1342 1342/1342 1342 ± 0.00002441 6.096 5.863/6.222 6.013 ± 0.3258
11 1342 1342/1342 1342 ± 0.00002441 6.27 6.164/6.468 6.283 ± 0.3399
12 1342 1342/1342 1342 ± 0.00002441 6.525 6.292/6.675 6.471 ± 0.3641
13 1342 1342/1342 1342 ± 0.00002441 6.774 6.415/6.983 6.671 ± 0.4884
14 1342 1342/1342 1342 ± 0.00002853 6.75 6.187/7.134 6.617 ± 0.6407
15 1342 1342/1342 1342 ± 0.00003249 6.803 6.609/7.123 6.761 ± 0.4891
16 1342 1342/1342 1342 ± 0.00005284 3.567 3.415/3.736 3.58 ± 0.2521
17 1342 1342/1342 1342 ± 0.00004892 3.784 3.561/4.025 3.803 ± 0.4076
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-26 10:22:03.502
End
2024-11-26 11:10:07.464
Duration
0:48:03.962
Note, WebLog generation is not included in the time.

CASA logs for stage 8