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 5.315 5.019/5.786 5.432 ± 0.5311
ea02 1342 1342/1342 1342 ± 0 5.651 5.197/6.205 5.706 ± 0.6303
ea04 1342 1342/1342 1342 ± 0 5.154 4.841/5.886 5.402 ± 0.5852
ea05 1342 1342/1342 1342 ± 0.000002121 5.566 4.919/6.079 5.582 ± 0.6502
ea06 1342 1342/1342 1342 ± 0 4.833 4.503/5.215 4.885 ± 0.4162
ea07 1342 1342/1342 1342 ± 0 5.667 5.159/6.029 5.684 ± 0.5877
ea08 1342 1342/1342 1342 ± 0 5.508 5.272/6.429 5.821 ± 0.6823
ea09 1342 1342/1342 1342 ± 0 5.416 4.948/6.089 5.56 ± 0.6675
ea10 1342 1342/1342 1342 ± 0.000006355 5.682 5.067/6.352 5.672 ± 0.7083
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.468 5.061/6.17 5.676 ± 0.665
ea13 1342 1342/1342 1342 ± 0 5.835 5.376/6.172 5.841 ± 0.5454
ea14 1342 1342/1342 1342 ± 0 5.572 4.906/6.131 5.571 ± 0.6675
ea15 1342 1342/1342 1342 ± 0 5.33 4.78/5.961 5.441 ± 0.6964
ea16 1342 1342/1342 1342 ± 0 5.893 5.303/6.368 5.915 ± 0.7648
ea17 1342 1342/1342 1342 ± 0 5.674 5.221/6.185 5.775 ± 0.6474
ea18 1342 1342/1342 1342 ± 0 4.818 4.456/5.385 4.93 ± 0.5471
ea19 1342 1342/1342 1342 ± 0.0000015 5.673 5.179/6.241 5.757 ± 0.6509
ea20 1342 1342/1342 1342 ± 0 5.849 5.26/6.47 5.931 ± 0.6897
ea21 1342 1342/1342 1342 ± 0.0000015 5.424 4.937/6.063 5.537 ± 0.6186
ea22 1342 1342/1342 1342 ± 0 5.501 5.032/6.152 5.603 ± 0.669
ea23 1342 1342/1342 1342 ± 0 5.703 5.09/6.242 5.768 ± 0.7014
ea25 1342 1342/1342 1342 ± 0 5.391 4.891/5.86 5.432 ± 0.607
ea26 1342 1342/1342 1342 ± 0 5.836 5.293/6.446 5.892 ± 0.6837
ea27 1342 1342/1342 1342 ± 0.00003823 5.409 4.912/6.111 5.521 ± 0.5965
ea28 1342 1342/1342 1342 ± 0 5.394 5.09/6.254 5.63 ± 0.6688
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 ± 0.0000242 4.902 4.771/5.134 4.928 ± 0.2202
3 1342 1342/1342 1342 ± 0.00002409 4.807 4.707/5.016 4.837 ± 0.2108
4 1342 1342/1342 1342 ± 0.00002457 4.967 4.836/5.175 4.958 ± 0.2849
5 1342 1342/1342 1342 ± 0.00002409 4.995 4.822/5.17 5.01 ± 0.2735
6 1342 1342/1342 1342 ± 0.00002409 5.048 4.834/5.212 5.016 ± 0.2618
7 1342 1342/1342 1342 ± 0.00002409 5.086 4.972/5.25 5.094 ± 0.2303
8 1342 1342/1342 1342 ± 0.00002409 5.15 4.906/5.234 5.077 ± 0.2608
9 1342 1342/1342 1342 ± 0.00002409 5.393 5.256/5.648 5.372 ± 0.3026
10 1342 1342/1342 1342 ± 0.00002409 5.799 5.674/6.038 5.803 ± 0.3065
11 1342 1342/1342 1342 ± 0.00002409 6.097 5.93/6.175 6.019 ± 0.3204
12 1342 1342/1342 1342 ± 0.00002409 6.254 6.063/6.421 6.191 ± 0.3357
13 1342 1342/1342 1342 ± 0.00002409 6.635 6.501/6.793 6.598 ± 0.3484
14 1342 1342/1342 1342 ± 0.00002409 6.886 6.604/6.942 6.749 ± 0.3815
15 1342 1342/1342 1342 ± 0.00002409 6.375 6.193/6.5 6.305 ± 0.3406
16 1342 1342/1342 1342 ± 0.00003318 5.766 5.615/5.962 5.784 ± 0.2933
17 1342 1342/1342 1342 ± 0.000032 5.836 5.62/5.989 5.802 ± 0.3157
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-03-07 18:00:52.340
End
2025-03-07 18:29:58.677
Duration
0:29:06.337
Note, WebLog generation is not included in the time.

CASA logs for stage 8