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

Statwt Summary Plot

VLASS2.1.sb38489296.eb38554894.59062.39375707176_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 5.409 5.188/5.965 5.59 ± 0.4549
ea02 1342 1342/1342 1342 ± 0.00002551 5.739 5.232/6.207 5.75 ± 0.546
ea04 1342 1342/1342 1342 ± 0 5.629 5.147/6.091 5.667 ± 0.5621
ea05 1342 1342/1342 1342 ± 0 5.629 4.691/6.152 5.448 ± 0.7126
ea06 1342 1342/1342 1342 ± 0 3.394 3.256/3.659 3.472 ± 0.2532
ea07 1342 1342/1342 1342 ± 0 5.083 5.014/5.104 5.118 ± 0.168
ea08 1342 1342/1342 1342 ± 0 5.986 5.634/6.703 6.213 ± 0.6495
ea09 1342 1342/1342 1342 ± 0 4.978 4.646/5.314 5.019 ± 0.3623
ea10 1342 1342/1342 1342 ± 0.000006684 5.661 5.24/6.474 5.82 ± 0.6413
ea11 1342 1342/1342 1342 ± 0 5.739 5.274/6.416 5.877 ± 0.6506
ea12 1342 1342/1342 1342 ± 0 5.659 5.396/6.345 5.895 ± 0.5668
ea13 1342 1342/1342 1342 ± 0 6.008 5.38/6.343 5.903 ± 0.5566
ea14 1342 1342/1342 1342 ± 0 5.106 4.781/5.767 5.264 ± 0.5876
ea15 1342 1342/1342 1342 ± 0 5.996 5.297/6.299 5.939 ± 0.6341
ea16 1342 1342/1342 1342 ± 0 4.699 4.558/5.308 4.873 ± 0.4926
ea17 1342 1342/1342 1342 ± 0.00004189 6.051 5.679/6.571 6.136 ± 0.6363
ea18 1342 1342/1342 1342 ± 0 4.923 4.827/5.662 5.182 ± 0.4852
ea19 1342 1342/1342 1342 ± 0 6.247 5.863/6.577 6.265 ± 0.3703
ea20 1342 1342/1342 1342 ± 0 5.903 5.727/6.653 6.205 ± 0.6041
ea21 1342 1342/1342 1342 ± 0 5.537 5.151/6.186 5.676 ± 0.6662
ea22 1342 1342/1342 1342 ± 0 5.811 5.154/6.125 5.648 ± 0.5793
ea23 1342 1342/1342 1342 ± 0 5.589 5.215/6.3 5.804 ± 0.6549
ea25 1342 1342/1342 1342 ± 0 5.273 5.029/5.374 4.872 ± 0.8117
ea26 1342 1342/1342 1342 ± 0 6.037 5.333/6.368 5.905 ± 0.6311
ea27 1342 1342/1342 1342 ± 0.00003484 5.657 5.412/6.354 5.831 ± 0.5727
ea28 1342 1342/1342 1342 ± 0.0000368 6.357 5.971/6.595 6.296 ± 0.5172
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 ± 0.0000249 5.086 4.851/5.199 5.025 ± 0.342
4 1342 1342/1342 1342 ± 0.00004883 4.898 4.77/5.034 4.877 ± 0.2825
5 1342 1342/1342 1342 ± 0.0000249 5.177 4.99/5.369 5.136 ± 0.3615
6 1342 1342/1342 1342 ± 0.0000249 5.177 4.81/5.356 5.12 ± 0.3253
7 1342 1342/1342 1342 ± 0.0000249 5.248 4.951/5.373 5.19 ± 0.3202
8 1342 1342/1342 1342 ± 0.0000249 5.187 4.867/5.389 5.184 ± 0.355
9 1342 1342/1342 1342 ± 0.0000249 5.508 5.188/5.737 5.451 ± 0.4203
10 1342 1342/1342 1342 ± 0.0000244 5.905 5.587/6.026 5.744 ± 0.5953
11 1342 1342/1342 1342 ± 0.00002393 6.121 5.802/6.356 5.823 ± 0.8604
12 1342 1342/1342 1342 ± 0.0000244 6.226 6.009/6.451 6.108 ± 0.6181
13 1342 1342/1342 1342 ± 0.00002473 6.65 6.412/6.899 6.544 ± 0.5682
14 1342 1342/1342 1342 ± 0.0000244 6.814 6.467/6.996 6.612 ± 0.7283
15 1342 1342/1342 1342 ± 0.0000249 6.415 6.231/6.613 6.325 ± 0.3703
16 1342 1342/1342 1342 ± 0.00004139 5.64 5.156/5.811 5.465 ± 0.6324
17 1342 1342/1342 1342 ± 0.00004014 5.783 5.239/5.892 5.649 ± 0.4309
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38489296.eb38554894.59062.39375707176_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-04-09 09:19:11.398
End
2024-04-09 09:51:21.617
Duration
0:32:10.219
Note, WebLog generation is not included in the time.

CASA logs for stage 7