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 5.498 5.346/5.891 5.636 ± 0.459
ea02 1342 1342/1342 1342 ± 0 5.927 5.482/6.435 5.968 ± 0.518
ea04 1342 1342/1342 1342 ± 0 5.585 5.277/6.149 5.73 ± 0.482
ea05 1342 1342/1342 1342 ± 0 5.858 5.473/6.22 5.87 ± 0.4999
ea06 1342 1342/1342 1342 ± 0 2.97 2.92/3.229 3.074 ± 0.1929
ea07 1342 1342/1342 1342 ± 0 5.619 5.495/5.805 5.645 ± 0.2049
ea08 1342 1342/1342 1342 ± 0 5.908 5.558/6.511 6.05 ± 0.5791
ea09 1342 1342/1342 1342 ± 0 5.03 4.931/5.497 5.198 ± 0.3477
ea10 1342 1342/1342 1342 ± 0.000001068 5.599 5.344/6.327 5.785 ± 0.5216
ea11 1342 1342/1342 1342 ± 0 5.82 5.584/6.377 5.985 ± 0.4944
ea12 1342 1342/1342 1342 ± 0 5.964 5.428/6.247 5.926 ± 0.5121
ea13 1342 1342/1342 1342 ± 0 6.108 5.78/6.238 6.1 ± 0.3941
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 5.155 4.968/5.337 5.16 ± 0.2654
ea17 1342 1342/1342 1342 ± 0.0000117 6.054 5.778/6.497 6.213 ± 0.5115
ea18 1342 1342/1342 1342 ± 0 5.176 4.946/5.599 5.284 ± 0.3965
ea19 1342 1342/1342 1342 ± 0 6.578 6.238/6.885 6.599 ± 0.3556
ea21 1342 1342/1342 1342 ± 0 5.785 5.542/6.32 5.952 ± 0.4832
ea22 1342 1342/1342 1342 ± 0 5.437 5.193/6.044 5.61 ± 0.501
ea23 1342 1342/1342 1342 ± 0 6.073 5.569/6.474 6.075 ± 0.5782
ea25 1342 1342/1342 1342 ± 0.000002136 5.475 5.397/5.538 5.456 ± 0.1412
ea26 1342 1342/1342 1342 ± 0 6.036 5.671/6.515 6.083 ± 0.4807
ea27 1342 1342/1342 1342 ± 0.000008977 5.533 5.259/6.247 5.722 ± 0.4944
ea28 1342 1342/1342 1342 ± 0.000002826 5.672 5.487/6.322 5.868 ± 0.5347
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 5.55 5.431/5.776 5.535 ± 0.3055
3 1342 1342/1342 1342 ± 0.00003361 5.362 5.136/5.699 5.405 ± 0.3236
4 1342 1342/1342 1342 ± 0.000026 5.472 5.203/5.566 5.366 ± 0.3123
5 1342 1342/1342 1342 ± 0.000026 5.481 5.326/5.677 5.488 ± 0.2965
6 1342 1342/1342 1342 ± 0.000026 5.422 5.275/5.541 5.397 ± 0.2521
7 1342 1342/1342 1342 ± 0.000026 5.403 5.273/5.541 5.397 ± 0.2252
8 1342 1342/1342 1342 ± 0.000026 5.417 5.163/5.5 5.351 ± 0.2749
9 1342 1342/1342 1342 ± 0.000026 5.685 5.318/5.867 5.582 ± 0.3436
10 1342 1342/1342 1342 ± 0.000026 6.011 5.823/6.167 5.804 ± 0.6321
11 1342 1342/1342 1342 ± 0.000026 6.242 5.933/6.327 5.961 ± 0.7612
12 1342 1342/1342 1342 ± 0.000026 6.346 6.041/6.449 6.092 ± 0.7883
13 1342 1342/1342 1342 ± 0.000026 6.757 6.374/6.88 6.448 ± 0.8307
14 1342 1342/1342 1342 ± 0.000026 6.835 6.572/7.034 6.576 ± 0.855
15 1342 1342/1342 1342 ± 0.000026 6.404 6.16/6.612 6.17 ± 0.8348
16 1342 1342/1342 1342 ± 0.00002692 5.577 5.453/6.065 5.581 ± 0.7153
17 1342 1342/1342 1342 ± 0.00002618 5.647 5.519/6.087 5.62 ± 0.702
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
output_dir
 
Start time
2024-03-29 09:15:13.820
End
2024-03-29 10:27:48.503
Duration
1:12:34.683
Note, WebLog generation is not included in the time.

CASA logs for stage 7