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 5.309 5.142/5.931 5.381 ± 0.764
ea02 1342 1342/1342 1342 ± 0.00004221 5.737 5.38/6.498 5.732 ± 0.9502
ea04 1342 1342/1342 1342 ± 0 5.431 5.036/6.101 5.419 ± 0.8259
ea05 1342 1342/1342 1342 ± 0.000002163 5.723 5.31/6.64 5.813 ± 0.8347
ea06 1342 1342/1342 1342 ± 0 5.13 4.904/5.905 5.232 ± 0.8209
ea07 1342 1342/1342 1342 ± 0.00004283 5.805 5.391/6.191 5.64 ± 0.836
ea08 1342 1342/1342 1342 ± 0.00004185 5.744 5.534/6.703 5.84 ± 0.992
ea09 1342 1342/1342 1342 ± 0.000003479 5.135 4.86/5.856 5.247 ± 0.6271
ea10 1342 1342/1342 1342 ± 0.00004286 5.001 4.823/5.814 5.112 ± 0.7356
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000009415 5.643 5.405/6.589 5.71 ± 1.073
ea13 1342 1342/1342 1342 ± 0.00001237 5.714 5.633/6.298 5.849 ± 0.7045
ea14 1342 1342/1342 1342 ± 0.000002413 5.6 5.138/6.639 5.711 ± 0.8782
ea15 1342 1342/1342 1342 ± 0 5.408 5.15/6.511 5.699 ± 0.9387
ea16 1342 1342/1342 1342 ± 0.00002036 5.778 5.326/6.655 5.877 ± 0.974
ea17 1342 1342/1342 1342 ± 0.00004359 5.868 5.404/6.535 5.801 ± 0.9312
ea18 1342 1342/1342 1342 ± 0.00003579 5.02 4.702/5.782 5.068 ± 0.7593
ea19 1342 1342/1342 1342 ± 0 5.911 5.635/6.846 6.016 ± 0.8539
ea20 1342 1342/1342 1342 ± 0.00002416 6.029 5.664/7.031 6.082 ± 1.153
ea21 1342 1342/1342 1342 ± 0.00001205 5.597 5.384/6.423 5.673 ± 0.8464
ea22 1342 1342/1342 1342 ± 0.00002659 5.435 5.16/6.409 5.579 ± 0.849
ea23 1342 1342/1342 1342 ± 0.00005249 6.43 5.649/6.686 5.927 ± 1.122
ea24 1342 1342/1342 1342 ± 0 4.998 4.816/6.12 5.375 ± 0.6726
ea25 1342 1342/1342 1342 ± 0.00004272 5.56 5.212/6.439 5.611 ± 0.8975
ea26 1342 1342/1342 1342 ± 0.00001242 5.727 5.383/6.865 5.929 ± 0.8445
ea27 1342 1342/1342 1342 ± 0.00004474 5.526 5.234/6.492 5.592 ± 0.8877
ea28 1342 1342/1342 1342 ± 0.00004319 5.7 5.469/6.612 5.737 ± 0.9189
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 ± 0.00002395 5.446 5.214/5.675 5.426 ± 0.3241
3 1342 1342/1342 1342 ± 0.00003787 4.85 4.739/5.169 4.919 ± 0.2784
5 1342 1342/1342 1342 ± 0.00002416 5.341 5.043/5.492 5.289 ± 0.2893
6 1342 1342/1342 1342 ± 0.00002395 5.409 5.081/5.536 5.335 ± 0.2764
7 1342 1342/1342 1342 ± 0.00002395 5.392 5.223/5.586 5.39 ± 0.2772
8 1342 1342/1342 1342 ± 0.00002395 5.407 5.096/5.546 5.353 ± 0.3104
9 1342 1342/1342 1342 ± 0.00002439 5.699 5.32/5.911 5.656 ± 0.3011
10 1342 1342/1342 1342 ± 0.0000235 6.149 5.857/6.254 6.071 ± 0.3226
11 1342 1342/1342 1342 ± 0.0000235 6.426 6.098/6.576 6.362 ± 0.3242
12 1342 1342/1342 1342 ± 0.0000235 6.58 6.242/6.727 6.512 ± 0.3555
13 1342 1342/1342 1342 ± 0.0000235 6.726 6.37/6.986 6.692 ± 0.4026
14 1342 1342/1342 1342 ± 0.00002879 6.43 6.119/6.764 6.436 ± 0.4863
15 1342 1342/1342 1342 ± 0.0000235 6.763 6.474/6.972 6.665 ± 0.4288
16 1342 1342/1342 1342 ± 0.00006103 3.912 3.762/4.126 3.972 ± 0.2888
17 1342 1342/1342 1342 ± 0.00006002 3.99 3.859/4.206 4.026 ± 0.2862
datacolumn
residual_data
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
Start time
2024-11-08 07:28:08.776
End
2024-11-08 08:25:12.441
Duration
0:57:03.665
Note, WebLog generation is not included in the time.

CASA logs for stage 8