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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.356 5.218/5.909 5.375 ± 0.7622
ea02 1342 1342/1342 1342 ± 0.00004305 5.82 5.28/6.369 5.626 ± 0.9344
ea03 1342 1342/1342 1342 ± 0.000001691 4.93 4.589/5.731 5.036 ± 0.7313
ea04 1342 1342/1342 1342 ± 0 5.342 5.073/6.05 5.393 ± 0.8509
ea05 1342 1342/1342 1342 ± 0.00001092 5.452 5.097/6.243 5.536 ± 0.8054
ea06 1342 1342/1342 1342 ± 0 4.324 4.117/4.836 4.35 ± 0.5327
ea07 1342 1342/1342 1342 ± 0.00004381 5.602 5.299/6.113 5.52 ± 0.8346
ea08 1342 1342/1342 1342 ± 0.0000451 5.835 5.443/6.634 5.785 ± 0.9963
ea09 1342 1342/1342 1342 ± 0.000003382 5.382 5.058/5.968 5.382 ± 0.8183
ea10 1342 1342/1342 1342 ± 0.00004486 5.541 5.226/6.524 5.602 ± 0.9471
ea11 1342 1342/1342 1342 ± 0 5.572 5.005/6.346 5.598 ± 0.9563
ea12 1342 1342/1342 1342 ± 0.00002523 5.531 5.277/6.562 5.67 ± 1.011
ea13 1342 1342/1342 1342 ± 0.00002268 5.895 5.529/6.255 5.71 ± 0.8295
ea14 1342 1342/1342 1342 ± 0.0000123 5.463 5.019/6.134 5.459 ± 0.875
ea15 1342 1342/1342 1342 ± 0 3.719 3.555/4.541 3.926 ± 0.7282
ea16 1342 1342/1342 1342 ± 0.00001824 5.772 5.397/6.488 5.694 ± 0.9314
ea17 1342 1342/1342 1342 ± 0 6.04 5.623/7.288 6.137 ± 1.057
ea18 1342 1342/1342 1342 ± 0.0000422 4.707 4.413/5.363 4.758 ± 0.6141
ea19 1342 1342/1342 1342 ± 0 5.364 5.09/6.147 5.48 ± 0.7581
ea20 1342 1342/1342 1342 ± 0 5.845 5.734/6.993 6.025 ± 1.039
ea21 1342 1342/1342 1342 ± 0.00001478 5.508 5.017/6.253 5.478 ± 0.8563
ea23 1342 1342/1342 1342 ± 0.00003589 5.393 5.275/5.505 5.153 ± 0.7091
ea24 1342 1342/1342 1342 ± 0.00004069 5.463 5.129/6.269 5.46 ± 0.8598
ea25 1342 1342/1342 1342 ± 0.00004551 5.482 5.158/6.029 5.392 ± 0.8274
ea26 1342 1342/1342 1342 ± 0.00003085 5.774 5.426/6.503 5.764 ± 0.9425
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.0000473 5.261 5.125/6.059 5.334 ± 0.8124
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 ± 0.00002352 5.281 5.002/5.463 5.167 ± 0.4439
5 1342 1342/1342 1342 ± 0.00002352 5.387 5.095/5.536 5.286 ± 0.5284
6 1342 1342/1342 1342 ± 0.00002352 5.272 4.964/5.397 5.11 ± 0.4851
7 1342 1342/1342 1342 ± 0.00002352 5.239 5.086/5.443 5.166 ± 0.4752
8 1342 1342/1342 1342 ± 0.00002352 5.263 5.106/5.403 5.172 ± 0.49
9 1342 1342/1342 1342 ± 0.00002352 5.521 5.287/5.76 5.425 ± 0.5205
10 1342 1342/1342 1342 ± 0.00002352 5.914 5.654/6.129 5.775 ± 0.5813
11 1342 1342/1342 1342 ± 0.00002352 6.136 5.962/6.323 6.045 ± 0.5266
12 1342 1342/1342 1342 ± 0.00002352 6.311 6.132/6.568 6.238 ± 0.5715
13 1342 1342/1342 1342 ± 0.00002357 6.484 6.218/6.662 6.403 ± 0.5554
14 1342 1342/1342 1342 ± 0.00003688 5.985 5.609/6.474 6.079 ± 0.6908
15 1342 1342/1342 1342 ± 0.00002361 6.505 6.165/6.904 6.362 ± 0.7191
16 1342 1342/1342 1342 ± 0.00006094 3.694 3.573/3.859 3.679 ± 0.3015
17 1342 1342/1342 1342 ± 0.0000592 3.843 3.743/3.95 3.808 ± 0.2747
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-11 14:15:44.513
End
2025-01-11 15:23:19.704
Duration
1:07:35.191
Note, WebLog generation is not included in the time.

CASA logs for stage 8