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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.527 5.465/6.26 5.843 ± 0.6102
ea02 1342 1342/1342 1342 ± 0.0000415 6.102 5.598/6.702 6.166 ± 0.6426
ea03 1342 1342/1342 1342 ± 0 5.685 4.976/6.137 5.604 ± 0.5997
ea04 1342 1342/1342 1342 ± 0 5.621 5.175/6.139 5.719 ± 0.5411
ea05 1342 1342/1342 1342 ± 0 6.143 5.54/6.584 5.955 ± 0.6954
ea06 1342 1342/1342 1342 ± 0 4.822 4.791/4.858 4.72 ± 0.2646
ea07 1342 1342/1342 1342 ± 0 6.099 5.723/6.435 6.234 ± 0.5494
ea08 1342 1342/1342 1342 ± 0 6.083 5.697/6.889 6.255 ± 0.706
ea09 1342 1342/1342 1342 ± 0 5.944 5.451/6.664 6.001 ± 0.7315
ea10 1342 1342/1342 1342 ± 0 5.986 5.561/6.732 6.112 ± 0.6711
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.993 5.431/6.406 5.965 ± 0.7054
ea13 1342 1342/1342 1342 ± 0 6.683 6.082/6.798 6.494 ± 0.6707
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.096 5.569/6.533 6.112 ± 0.6903
ea16 1342 1342/1342 1342 ± 0 6.406 5.9/6.966 6.431 ± 0.7809
ea17 1342 1342/1342 1342 ± 0 6.619 5.99/7.19 6.622 ± 0.6578
ea18 1342 1342/1342 1342 ± 0 5.14 4.765/5.572 5.211 ± 0.4632
ea19 1342 1342/1342 1342 ± 0 6.247 5.638/6.707 6.188 ± 0.5831
ea20 1342 1342/1342 1342 ± 0 6.093 5.599/6.682 6.071 ± 0.6795
ea21 1342 1342/1342 1342 ± 0 5.975 5.622/6.555 6.045 ± 0.6422
ea22 1342 1342/1342 1342 ± 0 6.031 5.483/6.433 5.945 ± 0.5755
ea23 1342 1342/1342 1342 ± 0 6.24 5.639/6.682 6.199 ± 0.704
ea24 1342 1342/1342 1342 ± 0 6.093 5.69/6.776 6.148 ± 0.6818
ea25 1342 1342/1342 1342 ± 0 5.752 5.438/6.321 5.883 ± 0.5941
ea26 1342 1342/1342 1342 ± 0 6.58 5.919/7.198 6.507 ± 0.7463
ea27 1342 1342/1342 1342 ± 0 5.664 5.523/6.502 5.917 ± 0.633
ea28 1342 1342/1342 1342 ± 0 5.624 5.385/6.384 5.826 ± 0.6307
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 ± 0.00002391 5.563 5.341/5.662 5.484 ± 0.2973
4 1342 1342/1342 1342 ± 0.00002794 4.771 4.565/4.925 4.727 ± 0.2562
5 1342 1342/1342 1342 ± 0.00002391 5.538 5.27/5.714 5.48 ± 0.3587
6 1342 1342/1342 1342 ± 0.00002391 5.536 5.375/5.717 5.488 ± 0.3301
7 1342 1342/1342 1342 ± 0.00002391 5.561 5.41/5.643 5.499 ± 0.3064
8 1342 1342/1342 1342 ± 0.00002391 5.471 5.271/5.624 5.424 ± 0.3449
9 1342 1342/1342 1342 ± 0.00002391 5.718 5.49/6.064 5.704 ± 0.3845
10 1342 1342/1342 1342 ± 0.00002438 6.217 6.023/6.417 6.181 ± 0.3406
11 1342 1342/1342 1342 ± 0.00002438 6.492 6.284/6.628 6.41 ± 0.3318
12 1342 1342/1342 1342 ± 0.00002438 6.622 6.414/6.709 6.575 ± 0.3645
13 1342 1342/1342 1342 ± 0.00002438 7.023 6.853/7.115 6.976 ± 0.3628
14 1342 1342/1342 1342 ± 0.00002438 7.146 6.945/7.414 7.143 ± 0.3919
15 1342 1342/1342 1342 ± 0.00002438 6.763 6.57/6.952 6.741 ± 0.3592
16 1342 1342/1342 1342 ± 0.00002488 6.102 5.832/6.326 6.133 ± 0.3778
17 1342 1342/1342 1342 ± 0.00002488 6.14 5.976/6.359 6.166 ± 0.3534
output_dir
 
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-11 13:05:53.558
End
2025-01-11 14:23:46.193
Duration
1:17:52.634
Note, WebLog generation is not included in the time.

CASA logs for stage 8