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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.449 5.342/5.917 5.671 ± 0.4842
ea02 1342 1342/1342 1342 ± 0.00001319 5.825 5.346/6.364 5.845 ± 0.613
ea04 1342 1342/1342 1342 ± 0 5.633 5.27/6.121 5.717 ± 0.5059
ea05 1342 1342/1342 1342 ± 0 5.898 5.406/6.215 5.847 ± 0.5252
ea06 1342 1342/1342 1342 ± 0 3.222 3.112/3.525 3.279 ± 0.1904
ea07 1342 1342/1342 1342 ± 0 5.509 5.397/5.772 5.555 ± 0.1915
ea08 1342 1342/1342 1342 ± 0.00002804 5.855 5.56/6.622 6.062 ± 0.6464
ea09 1342 1342/1342 1342 ± 0.000005748 5.029 4.83/5.544 5.185 ± 0.4302
ea10 1342 1342/1342 1342 ± 0 5.551 5.283/6.333 5.737 ± 0.5766
ea11 1342 1342/1342 1342 ± 0 5.77 5.515/6.41 5.963 ± 0.5399
ea12 1342 1342/1342 1342 ± 0 6.012 5.49/6.432 6.002 ± 0.53
ea13 1342 1342/1342 1342 ± 0 5.861 5.698/6.253 6.021 ± 0.4373
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.187 5.021/5.329 5.202 ± 0.3097
ea17 1342 1342/1342 1342 ± 0.00002102 6.034 5.696/6.53 6.177 ± 0.5679
ea18 1342 1342/1342 1342 ± 0 5.239 4.897/5.712 5.286 ± 0.4388
ea19 1342 1342/1342 1342 ± 0 6.569 6.213/6.817 6.567 ± 0.3407
ea21 1342 1342/1342 1342 ± 0 5.767 5.5/6.359 5.918 ± 0.5082
ea22 1342 1342/1342 1342 ± 0.00001137 5.261 5.101/6.108 5.557 ± 0.5845
ea23 1342 1342/1342 1342 ± 0 6.1 5.511/6.528 6.067 ± 0.6146
ea25 1342 1342/1342 1342 ± 0 5.436 5.397/5.533 5.447 ± 0.1684
ea26 1342 1342/1342 1342 ± 0 5.742 5.582/6.679 6.053 ± 0.5751
ea27 1342 1342/1342 1342 ± 0.00001836 5.529 5.348/6.244 5.737 ± 0.5104
ea28 1342 1342/1342 1342 ± 0.00003521 5.699 5.466/6.45 5.9 ± 0.6148
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 ± 0.000026 5.476 5.326/5.705 5.448 ± 0.2932
3 1342 1342/1342 1342 ± 0.00003168 5.29 5.067/5.644 5.361 ± 0.3501
4 1342 1342/1342 1342 ± 0.000026 5.344 5.106/5.453 5.268 ± 0.2826
5 1342 1342/1342 1342 ± 0.000026 5.483 5.274/5.61 5.451 ± 0.2719
6 1342 1342/1342 1342 ± 0.000026 5.392 5.171/5.459 5.339 ± 0.2445
7 1342 1342/1342 1342 ± 0.000026 5.423 5.293/5.525 5.39 ± 0.233
8 1342 1342/1342 1342 ± 0.000026 5.427 5.149/5.499 5.349 ± 0.2823
9 1342 1342/1342 1342 ± 0.000026 5.708 5.329/5.819 5.596 ± 0.3302
10 1342 1342/1342 1342 ± 0.000026 6.025 5.823/6.156 5.839 ± 0.6152
11 1342 1342/1342 1342 ± 0.000026 6.263 5.955/6.416 6.014 ± 0.7372
12 1342 1342/1342 1342 ± 0.000026 6.374 6.029/6.518 6.162 ± 0.7399
13 1342 1342/1342 1342 ± 0.000026 6.751 6.43/6.962 6.515 ± 0.7896
14 1342 1342/1342 1342 ± 0.000026 6.868 6.636/7.093 6.651 ± 0.8131
15 1342 1342/1342 1342 ± 0.000026 6.488 6.19/6.661 6.223 ± 0.7985
16 1342 1342/1342 1342 ± 0.00004397 5.561 5.326/5.948 5.482 ± 0.6797
17 1342 1342/1342 1342 ± 0.00003848 5.582 5.309/6.003 5.507 ± 0.6483
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2024-03-29 07:40:54.800
End
2024-03-29 08:50:35.055
Duration
1:09:40.256
Note, WebLog generation is not included in the time.

CASA logs for stage 7