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

Statwt Summary Plot

VLASS2.1.sb38618574.eb38632962.59098.03251238426_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 5.383 5.187/5.903 5.596 ± 0.513
ea02 1342 1342/1342 1342 ± 0 5.519 5.305/6.354 5.864 ± 0.6427
ea04 1342 1342/1342 1342 ± 0 5.384 5.022/5.951 5.542 ± 0.5724
ea05 1342 1342/1342 1342 ± 0 5.588 5.167/6.092 5.683 ± 0.5907
ea06 1342 1342/1342 1342 ± 0 4.89 4.597/5.378 4.998 ± 0.4627
ea07 1342 1342/1342 1342 ± 0 5.897 5.324/6.128 5.889 ± 0.5824
ea08 1342 1342/1342 1342 ± 0 5.629 5.396/6.51 5.97 ± 0.6816
ea09 1342 1342/1342 1342 ± 0 5.468 5.143/6.209 5.659 ± 0.6308
ea10 1342 1342/1342 1342 ± 0 5.801 5.18/6.474 5.82 ± 0.6658
ea11 1342 1342/1342 1342 ± 0 5.716 5.255/6.271 5.803 ± 0.6463
ea12 1342 1342/1342 1342 ± 0 5.657 5.249/6.308 5.855 ± 0.6472
ea13 1342 1342/1342 1342 ± 0 5.95 5.742/6.326 6.081 ± 0.5025
ea14 1342 1342/1342 1342 ± 0 5.658 5.175/6.253 5.752 ± 0.665
ea15 1342 1342/1342 1342 ± 0 5.493 5.009/6.114 5.639 ± 0.6862
ea16 1342 1342/1342 1342 ± 0 5.955 5.546/6.639 6.15 ± 0.7125
ea17 1342 1342/1342 1342 ± 0.00000367 5.803 5.459/6.36 5.967 ± 0.6217
ea18 1342 1342/1342 1342 ± 0 4.93 4.622/5.366 5.039 ± 0.5134
ea19 1342 1342/1342 1342 ± 0 5.887 5.451/6.575 6.098 ± 0.6769
ea20 1342 1342/1342 1342 ± 0 5.934 5.552/6.65 6.107 ± 0.653
ea21 1342 1342/1342 1342 ± 0 5.594 5.27/6.166 5.756 ± 0.5703
ea22 1342 1342/1342 1342 ± 0 5.416 5.169/6.329 5.719 ± 0.6594
ea23 1342 1342/1342 1342 ± 0 5.876 5.368/6.302 5.962 ± 0.6847
ea25 1342 1342/1342 1342 ± 0.000001107 5.332 5.116/5.972 5.551 ± 0.5697
ea26 1342 1342/1342 1342 ± 0 5.833 5.557/6.569 6.07 ± 0.6505
ea27 1342 1342/1342 1342 ± 0.0000149 5.451 5.137/6.219 5.635 ± 0.5772
ea28 1342 1342/1342 1342 ± 0.00002978 5.497 5.267/6.3 5.77 ± 0.6379
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 ± 0.00002348 5.265 5.137/5.505 5.304 ± 0.261
3 1342 1342/1342 1342 ± 0.00002392 5.307 5.095/5.469 5.27 ± 0.2714
4 1342 1342/1342 1342 ± 0.00002381 5.2 4.99/5.324 5.121 ± 0.2963
5 1342 1342/1342 1342 ± 0.00002348 5.241 4.978/5.369 5.2 ± 0.3117
6 1342 1342/1342 1342 ± 0.00002348 5.181 4.972/5.358 5.162 ± 0.2966
7 1342 1342/1342 1342 ± 0.00002348 5.265 5.056/5.413 5.226 ± 0.27
8 1342 1342/1342 1342 ± 0.00002348 5.276 5.003/5.4 5.199 ± 0.2778
9 1342 1342/1342 1342 ± 0.00002348 5.488 5.338/5.743 5.48 ± 0.3195
10 1342 1342/1342 1342 ± 0.00002348 5.95 5.782/6.106 5.917 ± 0.3022
11 1342 1342/1342 1342 ± 0.00002348 6.215 6.053/6.317 6.148 ± 0.3105
12 1342 1342/1342 1342 ± 0.00002348 6.348 6.137/6.498 6.311 ± 0.3355
13 1342 1342/1342 1342 ± 0.00002348 6.782 6.69/6.952 6.759 ± 0.3566
14 1342 1342/1342 1342 ± 0.00002348 6.967 6.758/7.158 6.93 ± 0.3905
15 1342 1342/1342 1342 ± 0.00002348 6.632 6.403/6.827 6.56 ± 0.3869
16 1342 1342/1342 1342 ± 0.00002814 5.885 5.536/6.106 5.854 ± 0.3752
17 1342 1342/1342 1342 ± 0.00003107 5.851 5.455/6.116 5.81 ± 0.3729
output_dir
 
vis
VLASS2.1.sb38618574.eb38632962.59098.03251238426_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-17 06:40:37.538
End
2024-12-17 07:43:12.620
Duration
1:02:35.082
Note, WebLog generation is not included in the time.

CASA logs for stage 8