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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.353 5.019/5.771 5.443 ± 0.4925
ea02 1342 1342/1342 1342 ± 0 5.565 5.211/6.212 5.694 ± 0.6028
ea04 1342 1342/1342 1342 ± 0 5.142 4.846/5.828 5.377 ± 0.5574
ea05 1342 1342/1342 1342 ± 0 5.526 5.105/6.042 5.615 ± 0.5948
ea06 1342 1342/1342 1342 ± 0 4.804 4.527/5.171 4.874 ± 0.3968
ea07 1342 1342/1342 1342 ± 0 5.621 5.246/5.969 5.687 ± 0.5379
ea08 1342 1342/1342 1342 ± 0 5.539 5.302/6.396 5.848 ± 0.6454
ea09 1342 1342/1342 1342 ± 0 5.501 4.987/6.107 5.586 ± 0.6358
ea10 1342 1342/1342 1342 ± 0.000009145 5.643 5.024/6.273 5.654 ± 0.6592
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.467 5.059/6.131 5.681 ± 0.6398
ea13 1342 1342/1342 1342 ± 0 5.767 5.406/6.11 5.841 ± 0.4959
ea14 1342 1342/1342 1342 ± 0 5.527 5.005/6.116 5.591 ± 0.606
ea15 1342 1342/1342 1342 ± 0 5.271 4.795/5.937 5.419 ± 0.6706
ea16 1342 1342/1342 1342 ± 0 5.857 5.363/6.301 5.934 ± 0.7068
ea17 1342 1342/1342 1342 ± 0 5.626 5.22/6.146 5.764 ± 0.6138
ea18 1342 1342/1342 1342 ± 0 4.817 4.518/5.368 4.954 ± 0.5155
ea19 1342 1342/1342 1342 ± 0 5.638 5.222/6.217 5.782 ± 0.5896
ea20 1342 1342/1342 1342 ± 0 5.817 5.369/6.443 5.927 ± 0.6609
ea21 1342 1342/1342 1342 ± 0 5.431 5.117/6.062 5.59 ± 0.5707
ea22 1342 1342/1342 1342 ± 0 5.465 5.073/6.137 5.603 ± 0.6236
ea23 1342 1342/1342 1342 ± 0 5.705 5.189/6.201 5.796 ± 0.6527
ea25 1342 1342/1342 1342 ± 0 5.364 4.93/5.827 5.431 ± 0.5916
ea26 1342 1342/1342 1342 ± 0 5.834 5.353/6.441 5.919 ± 0.6555
ea27 1342 1342/1342 1342 ± 0.000038 5.41 5.014/6.105 5.539 ± 0.5679
ea28 1342 1342/1342 1342 ± 0 5.366 5.146/6.245 5.632 ± 0.6288
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 ± 0.00002429 5.016 4.908/5.272 5.048 ± 0.2316
3 1342 1342/1342 1342 ± 0.00002429 4.925 4.833/5.161 4.956 ± 0.2367
4 1342 1342/1342 1342 ± 0.00002479 5.121 4.904/5.303 5.044 ± 0.2985
5 1342 1342/1342 1342 ± 0.00002429 5.128 4.921/5.191 5.076 ± 0.2946
6 1342 1342/1342 1342 ± 0.00002429 5.093 4.917/5.242 5.062 ± 0.2737
7 1342 1342/1342 1342 ± 0.00002429 5.059 4.954/5.234 5.084 ± 0.2324
8 1342 1342/1342 1342 ± 0.00002429 5.142 4.905/5.236 5.065 ± 0.2672
9 1342 1342/1342 1342 ± 0.00002429 5.384 5.255/5.605 5.361 ± 0.2921
10 1342 1342/1342 1342 ± 0.00002429 5.793 5.671/5.988 5.78 ± 0.3088
11 1342 1342/1342 1342 ± 0.00002429 6.064 5.897/6.159 5.995 ± 0.3173
12 1342 1342/1342 1342 ± 0.00002429 6.203 6.021/6.381 6.159 ± 0.3382
13 1342 1342/1342 1342 ± 0.00002429 6.577 6.474/6.759 6.559 ± 0.3466
14 1342 1342/1342 1342 ± 0.00002429 6.805 6.564/6.904 6.714 ± 0.384
15 1342 1342/1342 1342 ± 0.00002429 6.325 6.159/6.48 6.281 ± 0.3485
16 1342 1342/1342 1342 ± 0.00003351 5.775 5.582/5.984 5.744 ± 0.2992
17 1342 1342/1342 1342 ± 0.00003238 5.796 5.583/5.979 5.775 ± 0.3073
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-15 23:19:10.081
End
2025-01-15 23:52:33.543
Duration
0:33:23.462
Note, WebLog generation is not included in the time.

CASA logs for stage 8