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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.346 5.154/5.938 5.404 ± 0.7623
ea02 1342 1342/1342 1342 ± 0.00004229 5.77 5.397/6.595 5.761 ± 0.9462
ea04 1342 1342/1342 1342 ± 0 5.442 5.043/6.092 5.419 ± 0.8172
ea05 1342 1342/1342 1342 ± 0.000007982 5.73 5.305/6.617 5.811 ± 0.828
ea06 1342 1342/1342 1342 ± 0.000002458 5.14 4.916/5.911 5.236 ± 0.8195
ea07 1342 1342/1342 1342 ± 0.00004278 5.819 5.381/6.197 5.649 ± 0.819
ea08 1342 1342/1342 1342 ± 0.00004171 5.755 5.554/6.72 5.872 ± 0.9945
ea09 1342 1342/1342 1342 ± 0.00000213 5.146 4.867/5.866 5.268 ± 0.6205
ea10 1342 1342/1342 1342 ± 0.0000427 5.027 4.83/5.828 5.126 ± 0.7306
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001068 5.63 5.421/6.61 5.725 ± 1.068
ea13 1342 1342/1342 1342 ± 0.000009154 5.725 5.634/6.292 5.866 ± 0.7156
ea14 1342 1342/1342 1342 ± 0.000004001 5.603 5.147/6.637 5.724 ± 0.8534
ea15 1342 1342/1342 1342 ± 0 5.416 5.128/6.507 5.697 ± 0.9427
ea16 1342 1342/1342 1342 ± 0.00002204 5.785 5.352/6.616 5.889 ± 0.9408
ea17 1342 1342/1342 1342 ± 0.00004379 5.888 5.435/6.559 5.818 ± 0.9416
ea18 1342 1342/1342 1342 ± 0.00003617 5.045 4.712/5.775 5.076 ± 0.7551
ea19 1342 1342/1342 1342 ± 0 5.909 5.645/6.825 6.024 ± 0.8387
ea20 1342 1342/1342 1342 ± 0.00002278 6.036 5.669/7.031 6.089 ± 1.149
ea21 1342 1342/1342 1342 ± 0.00001518 5.608 5.384/6.415 5.677 ± 0.8278
ea22 1342 1342/1342 1342 ± 0.00002704 5.441 5.186/6.459 5.604 ± 0.8436
ea23 1342 1342/1342 1342 ± 0.00005237 6.45 5.694/6.677 5.944 ± 1.105
ea24 1342 1342/1342 1342 ± 0 5.007 4.82/6.122 5.382 ± 0.6694
ea25 1342 1342/1342 1342 ± 0.00004272 5.564 5.203/6.397 5.611 ± 0.8952
ea26 1342 1342/1342 1342 ± 0.00001095 5.731 5.402/6.867 5.947 ± 0.8563
ea27 1342 1342/1342 1342 ± 0.00004437 5.579 5.25/6.51 5.612 ± 0.8872
ea28 1342 1342/1342 1342 ± 0.00004303 5.751 5.488/6.618 5.755 ± 0.9245
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 ± 0.00002397 5.465 5.257/5.706 5.455 ± 0.3263
3 1342 1342/1342 1342 ± 0.00003846 4.891 4.764/5.173 4.946 ± 0.2844
5 1342 1342/1342 1342 ± 0.00002418 5.344 5.051/5.51 5.297 ± 0.2935
6 1342 1342/1342 1342 ± 0.00002397 5.418 5.09/5.562 5.349 ± 0.2772
7 1342 1342/1342 1342 ± 0.00002397 5.402 5.217/5.609 5.397 ± 0.2802
8 1342 1342/1342 1342 ± 0.00002397 5.423 5.099/5.556 5.361 ± 0.3094
9 1342 1342/1342 1342 ± 0.00002435 5.703 5.329/5.911 5.66 ± 0.302
10 1342 1342/1342 1342 ± 0.00002352 6.157 5.869/6.255 6.075 ± 0.3228
11 1342 1342/1342 1342 ± 0.00002352 6.419 6.087/6.575 6.366 ± 0.3248
12 1342 1342/1342 1342 ± 0.00002352 6.6 6.237/6.75 6.52 ± 0.3596
13 1342 1342/1342 1342 ± 0.00002354 6.762 6.364/7.006 6.7 ± 0.3981
14 1342 1342/1342 1342 ± 0.00002761 6.438 6.132/6.803 6.459 ± 0.4844
15 1342 1342/1342 1342 ± 0.00002354 6.77 6.453/6.976 6.665 ± 0.4333
16 1342 1342/1342 1342 ± 0.00006103 3.93 3.77/4.181 3.992 ± 0.2948
17 1342 1342/1342 1342 ± 0.00006004 4.037 3.885/4.228 4.056 ± 0.2839
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
output_dir
 
Start time
2024-11-08 10:12:05.099
End
2024-11-08 11:10:36.211
Duration
0:58:31.112
Note, WebLog generation is not included in the time.

CASA logs for stage 8