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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 4.093 3.926/4.173 4.038 ± 0.2462
ea02 1342 1342/1342 1342 ± 0 5.159 4.795/5.264 5.078 ± 0.3238
ea04 1342 1342/1342 1342 ± 0 4.153 4.019/4.351 4.206 ± 0.2265
ea05 1342 1342/1342 1342 ± 0 5.311 5.157/5.629 5.389 ± 0.3618
ea06 1342 1342/1342 1342 ± 0 2.376 2.306/2.459 2.403 ± 0.1332
ea07 1342 1342/1342 1342 ± 0 5.125 4.986/5.308 5.159 ± 0.215
ea08 1342 1342/1342 1342 ± 0 5.442 4.966/5.697 5.369 ± 0.4277
ea09 1342 1342/1342 1342 ± 0 4.418 4.288/4.645 4.468 ± 0.2858
ea10 1342 1342/1342 1342 ± 0 5.109 4.91/5.493 5.175 ± 0.3551
ea11 1342 1342/1342 1342 ± 0 4.197 4.111/4.25 4.153 ± 0.2779
ea12 1342 1342/1342 1342 ± 0 4.822 4.596/5.043 4.838 ± 0.2546
ea13 1342 1342/1342 1342 ± 0 4.413 4.277/4.542 4.431 ± 0.2282
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.61 4.432/4.931 4.657 ± 0.2653
ea17 1342 1342/1342 1342 ± 0.000001722 5.566 5.436/5.927 5.69 ± 0.3999
ea18 1342 1342/1342 1342 ± 0 4.576 4.479/4.968 4.704 ± 0.2848
ea19 1342 1342/1342 1342 ± 0 5.516 5.241/5.781 5.519 ± 0.3348
ea21 1342 1342/1342 1342 ± 0 4.577 4.384/4.647 4.495 ± 0.2298
ea22 1342 1342/1342 1342 ± 0 4.945 4.789/5.352 5.075 ± 0.348
ea23 1342 1342/1342 1342 ± 0 4.442 4.359/4.589 4.459 ± 0.2158
ea25 1342 1342/1342 1342 ± 0 4.15 4.134/4.458 4.264 ± 0.2009
ea26 1342 1342/1342 1342 ± 0 4.793 4.696/4.939 4.814 ± 0.2178
ea27 1342 1342/1342 1342 ± 0 4.882 4.675/5.213 4.936 ± 0.328
ea28 1342 1342/1342 1342 ± 0 4.213 4.106/4.283 4.172 ± 0.284
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 ± 0.0000262 4.937 4.769/5.232 4.992 ± 0.3306
3 1342 1342/1342 1342 ± 0.00003297 4.766 4.528/4.866 4.731 ± 0.3299
4 1342 1342/1342 1342 ± 0.00002682 4.674 4.412/5.036 4.757 ± 0.424
5 1342 1342/1342 1342 ± 0.0000262 4.684 4.386/5.147 4.738 ± 0.3872
6 1342 1342/1342 1342 ± 0.0000262 4.65 4.312/4.992 4.631 ± 0.3989
7 1342 1342/1342 1342 ± 0.0000262 4.595 4.354/4.878 4.597 ± 0.3448
8 1342 1342/1342 1342 ± 0.0000262 4.506 4.183/4.778 4.501 ± 0.373
9 1342 1342/1342 1342 ± 0.0000262 4.47 4.159/5.068 4.597 ± 0.4789
10 1342 1342/1342 1342 ± 0.0000262 4.639 4.404/5.25 4.71 ± 0.676
11 1342 1342/1342 1342 ± 0.0000262 4.744 4.332/5.329 4.769 ± 0.7609
12 1342 1342/1342 1342 ± 0.0000262 4.936 4.286/5.433 4.827 ± 0.814
13 1342 1342/1342 1342 ± 0.0000262 5.1 4.509/5.618 5.014 ± 0.8519
14 1342 1342/1342 1342 ± 0.0000262 5.173 4.556/5.813 5.042 ± 0.8893
15 1342 1342/1342 1342 ± 0.0000262 4.927 4.313/5.435 4.732 ± 0.8368
16 1342 1342/1342 1342 ± 0.0000262 4.447 4.064/4.692 4.292 ± 0.685
17 1342 1342/1342 1342 ± 0.0000262 4.469 3.946/4.681 4.285 ± 0.6939
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-03-29 12:11:35.175
End
2024-03-29 13:05:54.174
Duration
0:54:18.999
Note, WebLog generation is not included in the time.

CASA logs for stage 7