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

Statwt Summary Plot

VLASS2.1.sb38544671.eb38577571.59079.03639115741_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 5.589 5.106/5.844 5.534 ± 0.4876
ea02 1342 1342/1342 1342 ± 0.000004232 5.774 5.146/6.308 5.769 ± 0.6151
ea04 1342 1342/1342 1342 ± 0.00001839 5.418 4.884/5.968 5.421 ± 0.5965
ea05 1342 1342/1342 1342 ± 0.00000113 5.82 5.131/6.218 5.704 ± 0.6281
ea06 1342 1342/1342 1342 ± 0.000001546 4.884 4.551/5.354 4.982 ± 0.446
ea07 1342 1342/1342 1342 ± 0 5.559 5.132/5.925 5.626 ± 0.5595
ea08 1342 1342/1342 1342 ± 0 5.7 5.276/6.439 5.889 ± 0.6474
ea09 1342 1342/1342 1342 ± 0 5.611 4.962/6.294 5.578 ± 0.6441
ea10 1342 1342/1342 1342 ± 0 5.43 4.863/6.098 5.462 ± 0.5966
ea11 1342 1342/1342 1342 ± 0 5.568 5.076/6.095 5.574 ± 0.563
ea12 1342 1342/1342 1342 ± 0 5.48 5.042/6.123 5.655 ± 0.6526
ea13 1342 1342/1342 1342 ± 0 5.844 5.476/6.199 5.908 ± 0.534
ea14 1342 1342/1342 1342 ± 0 5.612 5.075/6.151 5.664 ± 0.6346
ea15 1342 1342/1342 1342 ± 0 5.365 4.815/5.961 5.46 ± 0.7165
ea16 1342 1342/1342 1342 ± 0 5.831 5.262/6.304 5.891 ± 0.7146
ea17 1342 1342/1342 1342 ± 0.000005562 5.823 5.39/6.295 5.936 ± 0.5963
ea18 1342 1342/1342 1342 ± 0.000003475 5.011 4.611/5.537 5.018 ± 0.5235
ea19 1342 1342/1342 1342 ± 0 5.876 5.23/6.333 5.845 ± 0.6538
ea20 1342 1342/1342 1342 ± 0 5.848 5.371/6.439 5.94 ± 0.6593
ea21 1342 1342/1342 1342 ± 0 5.531 5.051/6.09 5.577 ± 0.6053
ea22 1342 1342/1342 1342 ± 0 5.814 5.107/6.278 5.673 ± 0.6628
ea23 1342 1342/1342 1342 ± 0 5.864 5.236/6.301 5.886 ± 0.6791
ea25 1342 1342/1342 1342 ± 0 5.43 5.073/5.905 5.554 ± 0.5478
ea26 1342 1342/1342 1342 ± 0 5.79 5.246/6.31 5.696 ± 0.6134
ea27 1342 1342/1342 1342 ± 0.00002611 5.479 4.839/6.136 5.501 ± 0.6175
ea28 1342 1342/1342 1342 ± 0 5.664 5.192/6.32 5.717 ± 0.648
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 ± 0.0000259 5.15 4.981/5.302 5.115 ± 0.2474
3 1342 1342/1342 1342 ± 0.00002464 4.913 4.704/5.152 4.931 ± 0.2829
4 1342 1342/1342 1342 ± 0.00002558 4.942 4.768/5.172 4.965 ± 0.3378
5 1342 1342/1342 1342 ± 0.00002351 5.1 4.923/5.294 5.08 ± 0.2967
6 1342 1342/1342 1342 ± 0.00002351 5.096 4.964/5.247 5.09 ± 0.2346
7 1342 1342/1342 1342 ± 0.00002351 5.122 4.898/5.213 5.089 ± 0.2198
8 1342 1342/1342 1342 ± 0.00002351 5.066 4.883/5.242 5.079 ± 0.2584
9 1342 1342/1342 1342 ± 0.00002351 5.424 5.257/5.581 5.37 ± 0.286
10 1342 1342/1342 1342 ± 0.00002395 5.81 5.615/5.889 5.78 ± 0.2772
11 1342 1342/1342 1342 ± 0.00002351 6.08 5.924/6.152 5.999 ± 0.2682
12 1342 1342/1342 1342 ± 0.00002351 6.206 5.943/6.317 6.16 ± 0.2904
13 1342 1342/1342 1342 ± 0.00002351 6.61 6.482/6.731 6.58 ± 0.3147
14 1342 1342/1342 1342 ± 0.00002395 6.747 6.583/6.998 6.749 ± 0.3548
15 1342 1342/1342 1342 ± 0.00002395 6.456 6.194/6.555 6.378 ± 0.3201
16 1342 1342/1342 1342 ± 0.00002961 5.803 5.7/5.916 5.791 ± 0.2685
17 1342 1342/1342 1342 ± 0.00002534 5.872 5.658/6.015 5.819 ± 0.2892
vis
VLASS2.1.sb38544671.eb38577571.59079.03639115741_split_split.ms
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-23 10:28:00.117
End
2024-04-23 11:41:27.845
Duration
1:13:27.728
Note, WebLog generation is not included in the time.

CASA logs for stage 7