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

Statwt Summary Plot

VLASS2.2.sb40528187.eb40882891.59510.17895375_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 6.174 5.727/6.654 6.24 ± 0.6061
ea02 1342 1342/1342 1342 ± 0.00002955 6.134 5.481/6.685 6.06 ± 0.9016
ea03 1342 1342/1342 1342 ± 0 5.58 5.172/6.457 5.732 ± 0.8279
ea04 1342 1342/1342 1342 ± 0 5.718 5.289/6.398 5.838 ± 0.588
ea06 1342 1342/1342 1342 ± 0 6.505 5.677/6.645 6.232 ± 0.6243
ea07 1342 1342/1342 1342 ± 0 6.072 5.571/6.465 6.12 ± 0.6169
ea08 1342 1342/1342 1342 ± 0 6.198 5.724/6.855 6.346 ± 0.7274
ea09 1342 1342/1342 1342 ± 0 6.039 5.464/6.819 6.129 ± 0.6974
ea10 1342 1342/1342 1342 ± 0 6.141 5.52/6.768 6.099 ± 0.7534
ea11 1342 1342/1342 1342 ± 0 6.283 5.478/6.758 6.202 ± 0.7698
ea12 1342 1342/1342 1342 ± 0 6.073 5.588/6.714 6.216 ± 0.7588
ea13 1342 1342/1342 1342 ± 0 5.936 5.733/6.443 6.095 ± 0.5475
ea14 1342 1342/1342 1342 ± 0 6.421 5.666/6.895 6.399 ± 0.7092
ea15 1342 1342/1342 1342 ± 0 5.645 5.074/6.01 5.599 ± 0.6966
ea16 1342 1342/1342 1342 ± 0 6.212 5.75/6.821 6.338 ± 0.7294
ea17 1342 1342/1342 1342 ± 0 6.563 6.19/7.398 6.779 ± 0.6999
ea18 1342 1342/1342 1342 ± 0 4.555 4.291/4.955 4.651 ± 0.4372
ea19 1342 1342/1342 1342 ± 0.000002208 6.33 5.832/6.926 6.453 ± 0.7312
ea20 1342 1342/1342 1342 ± 0 6.002 5.675/6.742 6.15 ± 0.7597
ea21 1342 1342/1342 1342 ± 0 6.024 5.652/6.633 6.169 ± 0.6307
ea22 1342 1342/1342 1342 ± 0 6.374 5.549/6.812 6.24 ± 0.732
ea23 1342 1342/1342 1342 ± 0 6.225 5.735/6.695 6.265 ± 0.7907
ea24 1342 1342/1342 1342 ± 0 5.925 5.211/6.411 5.814 ± 0.5789
ea25 1342 1342/1342 1342 ± 0 6.661 5.773/7.131 6.552 ± 0.8272
ea26 1342 1342/1342 1342 ± 0 6.436 5.86/7.234 6.505 ± 0.7102
ea27 1342 1342/1342 1342 ± 0 6.031 5.537/6.885 6.153 ± 0.7987
ea28 1342 1342/1342 1342 ± 0 6.156 5.794/6.95 6.369 ± 0.8048
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 ± 0.00002306 5.67 5.495/5.901 5.615 ± 0.3412
3 1342 1342/1342 1342 ± 0.00002662 4.958 4.578/5.389 4.946 ± 0.6227
4 1342 1342/1342 1342 ± 0.00002416 5.516 5.249/5.645 5.436 ± 0.4367
5 1342 1342/1342 1342 ± 0.00002306 5.683 5.36/5.774 5.565 ± 0.3866
6 1342 1342/1342 1342 ± 0.00002306 5.578 5.368/5.757 5.518 ± 0.3308
7 1342 1342/1342 1342 ± 0.00002306 5.663 5.435/5.769 5.577 ± 0.3373
8 1342 1342/1342 1342 ± 0.00002306 5.563 5.353/5.794 5.527 ± 0.3765
9 1342 1342/1342 1342 ± 0.00002306 5.933 5.727/6.109 5.848 ± 0.402
10 1342 1342/1342 1342 ± 0.00002306 6.426 6.23/6.537 6.3 ± 0.4192
11 1342 1342/1342 1342 ± 0.00002306 6.632 6.438/6.785 6.533 ± 0.4266
12 1342 1342/1342 1342 ± 0.00002306 6.796 6.574/6.835 6.678 ± 0.4579
13 1342 1342/1342 1342 ± 0.00002306 7.258 7.021/7.483 7.175 ± 0.4949
14 1342 1342/1342 1342 ± 0.00002306 7.47 7.328/7.726 7.402 ± 0.5031
15 1342 1342/1342 1342 ± 0.00002306 7.109 6.96/7.342 7.044 ± 0.4718
16 1342 1342/1342 1342 ± 0.00002306 6.355 6.181/6.65 6.363 ± 0.4615
17 1342 1342/1342 1342 ± 0.00002312 6.316 6.142/6.616 6.323 ± 0.4535
output_dir
 
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.2.sb40528187.eb40882891.59510.17895375_split_split.ms
Start time
2025-05-23 18:24:22.828
End
2025-05-23 19:35:38.119
Duration
1:11:15.291
Note, WebLog generation is not included in the time.

CASA logs for stage 8