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

Statwt Summary Plot

VLASS2.1.sb38545507.eb38638815.59102.13461381945_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 5.531 5.263/5.892 5.605 ± 0.4049
ea02 1342 1342/1342 1342 ± 0 5.707 5.364/6.285 5.843 ± 0.4997
ea04 1342 1342/1342 1342 ± 0 5.562 5.203/6.024 5.639 ± 0.5072
ea05 1342 1342/1342 1342 ± 0 5.297 5.041/5.628 5.358 ± 0.3764
ea06 1342 1342/1342 1342 ± 0 4.836 4.748/5.21 4.941 ± 0.2749
ea07 1342 1342/1342 1342 ± 0 5.527 5.247/5.853 5.582 ± 0.4165
ea08 1342 1342/1342 1342 ± 0 5.591 5.247/6.046 5.668 ± 0.4307
ea09 1342 1342/1342 1342 ± 0 5.175 4.95/5.599 5.282 ± 0.3817
ea10 1342 1342/1342 1342 ± 0 5.183 4.944/5.772 5.312 ± 0.4371
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.596 5.292/5.897 5.66 ± 0.3889
ea13 1342 1342/1342 1342 ± 0 5.897 5.618/6.097 5.914 ± 0.3843
ea14 1342 1342/1342 1342 ± 0 5.44 5.097/5.9 5.498 ± 0.4592
ea15 1342 1342/1342 1342 ± 0 5.705 5.251/6.063 5.71 ± 0.4965
ea16 1342 1342/1342 1342 ± 0 5.488 5.266/5.835 5.584 ± 0.389
ea17 1342 1342/1342 1342 ± 0 5.386 5.293/5.727 5.512 ± 0.3402
ea18 1342 1342/1342 1342 ± 0 4.653 4.454/4.904 4.682 ± 0.2782
ea19 1342 1342/1342 1342 ± 0 5.427 5.081/5.768 5.41 ± 0.3801
ea20 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea21 1342 1342/1342 1342 ± 0 5.483 5.311/6.083 5.676 ± 0.4342
ea22 1342 1342/1342 1342 ± 0 4.927 4.717/5.435 5.012 ± 0.4431
ea23 1342 1342/1342 1342 ± 0 5.988 5.655/6.728 6.17 ± 0.6155
ea25 1342 1342/1342 1342 ± 0 5.601 5.405/6.095 5.77 ± 0.5076
ea26 1342 1342/1342 1342 ± 0 5.511 5.384/6.119 5.711 ± 0.4085
ea27 1342 1342/1342 1342 ± 0.00003832 5.27 5.084/5.792 5.358 ± 0.3875
ea28 1342 1342/1342 1342 ± 0 5.754 5.5/6.416 5.966 ± 0.5515
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 ± 0.0000244 5.375 5.226/5.493 5.355 ± 0.2598
3 1342 1342/1342 1342 ± 0.0000244 5.226 5.075/5.311 5.177 ± 0.2851
4 1342 1342/1342 1342 ± 0.00003429 4.917 4.678/5.309 4.954 ± 0.3472
5 1342 1342/1342 1342 ± 0.0000244 5.259 4.988/5.469 5.211 ± 0.3076
6 1342 1342/1342 1342 ± 0.0000244 5.125 5.017/5.314 5.136 ± 0.2654
7 1342 1342/1342 1342 ± 0.0000244 5.253 5.054/5.321 5.172 ± 0.2682
8 1342 1342/1342 1342 ± 0.0000244 5.204 4.947/5.325 5.116 ± 0.3031
9 1342 1342/1342 1342 ± 0.0000244 5.39 5.151/5.584 5.334 ± 0.3392
10 1342 1342/1342 1342 ± 0.0000244 5.707 5.472/5.983 5.683 ± 0.3426
11 1342 1342/1342 1342 ± 0.0000244 5.85 5.735/6.082 5.854 ± 0.3458
12 1342 1342/1342 1342 ± 0.0000244 5.98 5.805/6.076 5.889 ± 0.5024
13 1342 1342/1342 1342 ± 0.0000244 6.283 6.026/6.502 6.271 ± 0.4475
14 1342 1342/1342 1342 ± 0.0000244 6.38 6.006/6.544 6.299 ± 0.4686
15 1342 1342/1342 1342 ± 0.0000244 6.017 5.632/6.153 5.934 ± 0.4359
16 1342 1342/1342 1342 ± 0.00003346 5.569 5.211/5.762 5.448 ± 0.3657
17 1342 1342/1342 1342 ± 0.00003124 5.399 5.172/5.703 5.392 ± 0.3794
vis
VLASS2.1.sb38545507.eb38638815.59102.13461381945_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-03 10:16:24.576
End
2024-12-03 11:20:08.935
Duration
1:03:44.360
Note, WebLog generation is not included in the time.

CASA logs for stage 8