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

Statwt Summary Plot

VLASS2.1.sb38719425.eb38722999.59135.57082381945_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 5.587 5.285/6.072 5.721 ± 0.561
ea02 1342 1342/1342 1342 ± 0 5.822 5.453/6.541 6.019 ± 0.6947
ea03 1342 1342/1342 1342 ± 0 5.226 4.8/6.035 5.423 ± 0.6672
ea04 1342 1342/1342 1342 ± 0 5.57 5.189/6.205 5.74 ± 0.5864
ea05 1342 1342/1342 1342 ± 0 5.754 5.321/6.273 5.859 ± 0.6161
ea06 1342 1342/1342 1342 ± 0 4.882 4.761/5.385 5.01 ± 0.3404
ea07 1342 1342/1342 1342 ± 0 6.01 5.479/6.264 6.012 ± 0.6148
ea08 1342 1342/1342 1342 ± 0 5.825 5.576/6.703 6.111 ± 0.7141
ea09 1342 1342/1342 1342 ± 0 5.69 5.356/6.529 5.889 ± 0.7555
ea10 1342 1342/1342 1342 ± 0 6.049 5.385/6.782 6.064 ± 0.7597
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.8 5.372/6.433 5.972 ± 0.6375
ea13 1342 1342/1342 1342 ± 0 6.019 5.839/6.475 6.212 ± 0.5451
ea14 1342 1342/1342 1342 ± 0 5.928 5.38/6.547 6.009 ± 0.7098
ea15 1342 1342/1342 1342 ± 0 5.864 5.462/6.619 6.078 ± 0.7051
ea16 1342 1342/1342 1342 ± 0 6.14 5.662/6.832 6.29 ± 0.7568
ea17 1342 1342/1342 1342 ± 0.00002278 6.249 5.848/6.996 6.423 ± 0.7516
ea18 1342 1342/1342 1342 ± 0 5.022 4.696/5.627 5.151 ± 0.5636
ea19 1342 1342/1342 1342 ± 0 5.754 5.332/6.383 5.932 ± 0.6264
ea20 1342 1342/1342 1342 ± 0 5.945 5.502/6.619 6.051 ± 0.654
ea23 1342 1342/1342 1342 ± 0 6.024 5.504/6.453 6.071 ± 0.6898
ea25 1342 1342/1342 1342 ± 0.000002009 5.672 5.339/6.181 5.799 ± 0.6006
ea26 1342 1342/1342 1342 ± 0 6.043 5.77/6.874 6.274 ± 0.7643
ea27 1342 1342/1342 1342 ± 0.00002627 5.64 5.373/6.504 5.842 ± 0.661
ea28 1342 1342/1342 1342 ± 0.00002014 5.442 5.257/6.226 5.67 ± 0.6442
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 ± 0.00002442 5.489 5.342/5.617 5.447 ± 0.267
3 1342 1342/1342 1342 ± 0.00002472 5.139 4.828/5.286 5.095 ± 0.3208
4 1342 1342/1342 1342 ± 0.00002442 5.223 5.077/5.308 5.164 ± 0.3302
5 1342 1342/1342 1342 ± 0.00002442 5.311 5.173/5.518 5.32 ± 0.3059
6 1342 1342/1342 1342 ± 0.00002442 5.377 5.262/5.592 5.368 ± 0.3289
7 1342 1342/1342 1342 ± 0.00002442 5.41 5.283/5.583 5.404 ± 0.2948
8 1342 1342/1342 1342 ± 0.00002442 5.422 5.209/5.555 5.365 ± 0.3258
9 1342 1342/1342 1342 ± 0.00002442 5.67 5.442/5.95 5.646 ± 0.3536
10 1342 1342/1342 1342 ± 0.00002442 6.073 5.955/6.322 6.068 ± 0.3409
11 1342 1342/1342 1342 ± 0.00002442 6.441 6.141/6.502 6.306 ± 0.3659
12 1342 1342/1342 1342 ± 0.00002442 6.528 6.283/6.705 6.484 ± 0.4003
13 1342 1342/1342 1342 ± 0.00002442 6.992 6.812/7.155 6.916 ± 0.4176
14 1342 1342/1342 1342 ± 0.00002492 7.229 6.952/7.426 7.182 ± 0.3708
15 1342 1342/1342 1342 ± 0.00002492 6.846 6.524/6.999 6.773 ± 0.3518
16 1342 1342/1342 1342 ± 0.00003501 6.101 5.734/6.277 6.046 ± 0.4156
17 1342 1342/1342 1342 ± 0.00003142 6.134 5.84/6.32 6.062 ± 0.4117
output_dir
 
vis
VLASS2.1.sb38719425.eb38722999.59135.57082381945_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2025-01-11 05:13:49.404
End
2025-01-11 06:07:43.497
Duration
0:53:54.093
Note, WebLog generation is not included in the time.

CASA logs for stage 8