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

Statwt Summary Plot

VLASS2.1.sb38482214.eb38565046.59071.1506340625_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 5.358 5.259/6.022 5.547 ± 0.6944
ea02 1342 1342/1342 1342 ± 0.00004536 5.872 5.382/6.479 5.747 ± 0.9504
ea05 1342 1342/1342 1342 ± 0.00001448 5.512 5.129/6.479 5.723 ± 0.7952
ea06 1342 1342/1342 1342 ± 0.000001149 4.912 4.839/5.441 4.977 ± 0.5622
ea07 1342 1342/1342 1342 ± 0.00003926 5.834 5.401/6.021 5.621 ± 0.7882
ea08 1342 1342/1342 1342 ± 0.00004275 6.023 5.63/6.769 5.98 ± 0.9979
ea09 1342 1342/1342 1342 ± 0.00003124 3.778 3.362/5.732 4.447 ± 1.135
ea10 1342 1342/1342 1342 ± 0.00003634 5.66 5.205/6.391 5.677 ± 0.7457
ea11 1342 1342/1342 1342 ± 0 5.918 5.402/6.544 6.069 ± 0.6403
ea12 1342 1342/1342 1342 ± 0.000008729 5.656 5.393/6.573 5.824 ± 0.9264
ea13 1342 1342/1342 1342 ± 0.00002023 5.903 5.784/6.406 5.906 ± 0.7927
ea14 1342 1342/1342 1342 ± 0.00002177 6.525 5.774/6.904 6.1 ± 1.086
ea15 1342 1342/1342 1342 ± 0 5.402 5.178/6.192 5.605 ± 0.8367
ea16 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea17 1342 1342/1342 1342 ± 0.00003669 5.961 5.643/6.76 6.002 ± 0.8431
ea18 1342 1342/1342 1342 ± 0.00002948 5.117 4.729/5.788 5.117 ± 0.7153
ea19 1342 1342/1342 1342 ± 0.000009308 5.712 5.483/6.703 5.922 ± 0.8296
ea20 1342 1342/1342 1342 ± 0.00001155 5.968 5.799/6.993 6.117 ± 1.035
ea21 1342 1342/1342 1342 ± 0.00002154 5.514 5.343/6.357 5.709 ± 0.8152
ea22 1342 1342/1342 1342 ± 0.00003874 5.417 5.166/6.289 5.514 ± 0.8869
ea23 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea25 1342 1342/1342 1342 ± 0 5.415 5.401/5.443 5.405 ± 0.156
ea26 1342 1342/1342 1342 ± 0.00002391 5.68 5.534/6.678 5.812 ± 0.8499
ea27 1342 1342/1342 1342 ± 0.00003772 5.559 5.438/6.46 5.702 ± 0.7552
ea28 1342 1342/1342 1342 ± 0.0000532 6.533 5.613/6.641 5.92 ± 1.171
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 ± 0.00002605 5.496 5.291/5.745 5.431 ± 0.5037
5 1342 1342/1342 1342 ± 0.00002643 5.434 5.266/5.597 5.319 ± 0.5511
6 1342 1342/1342 1342 ± 0.00002605 5.41 5.222/5.513 5.29 ± 0.5132
7 1342 1342/1342 1342 ± 0.00002605 5.395 5.204/5.5 5.289 ± 0.4992
8 1342 1342/1342 1342 ± 0.00002605 5.343 5.125/5.487 5.219 ± 0.5118
9 1342 1342/1342 1342 ± 0.00002605 5.632 5.439/5.846 5.494 ± 0.583
10 1342 1342/1342 1342 ± 0.00002548 6.051 5.852/6.178 6.003 ± 0.3531
11 1342 1342/1342 1342 ± 0.00002548 6.4 6.191/6.483 6.286 ± 0.3591
12 1342 1342/1342 1342 ± 0.00002548 6.548 6.191/6.654 6.443 ± 0.3728
13 1342 1342/1342 1342 ± 0.00002548 6.757 6.391/7.027 6.692 ± 0.4216
14 1342 1342/1342 1342 ± 0.00002783 6.674 6.216/6.987 6.595 ± 0.5092
15 1342 1342/1342 1342 ± 0.00002607 6.689 6.542/6.929 6.63 ± 0.483
16 1342 1342/1342 1342 ± 0.00006097 4.107 3.924/4.309 4.121 ± 0.2653
17 1342 1342/1342 1342 ± 0.0000609 4 3.845/4.218 4.04 ± 0.2505
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38482214.eb38565046.59071.1506340625_split_split.ms
statwtmode
VLASS-SE
Start time
2024-04-22 18:15:56.566
End
2024-04-22 19:19:32.717
Duration
1:03:36.151
Note, WebLog generation is not included in the time.

CASA logs for stage 7