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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.751 5.433/6.214 5.858 ± 0.63
ea02 1342 1342/1342 1342 ± 0.000004671 5.943 5.576/6.63 6.167 ± 0.7265
ea04 1342 1342/1342 1342 ± 0 5.654 5.16/6.309 5.782 ± 0.6226
ea05 1342 1342/1342 1342 ± 0 6.017 5.372/6.523 5.922 ± 0.6478
ea06 1342 1342/1342 1342 ± 0 4.961 4.766/5.308 5.029 ± 0.3603
ea07 1342 1342/1342 1342 ± 0 6.28 5.674/6.456 6.226 ± 0.6173
ea08 1342 1342/1342 1342 ± 0.00001225 5.939 5.687/6.767 6.239 ± 0.7342
ea09 1342 1342/1342 1342 ± 0 5.82 5.335/6.44 5.942 ± 0.6823
ea10 1342 1342/1342 1342 ± 0 6.116 5.442/6.668 6.101 ± 0.7071
ea11 1342 1342/1342 1342 ± 0 6.174 5.352/6.584 6.081 ± 0.7098
ea12 1342 1342/1342 1342 ± 0 6.061 5.514/6.683 6.183 ± 0.7187
ea13 1342 1342/1342 1342 ± 0 6.517 5.988/6.654 6.426 ± 0.5519
ea14 1342 1342/1342 1342 ± 0 6.129 5.408/6.653 6.081 ± 0.7266
ea15 1342 1342/1342 1342 ± 0 5.88 5.222/6.462 5.942 ± 0.7314
ea16 1342 1342/1342 1342 ± 0 6.363 5.846/7.028 6.513 ± 0.7685
ea17 1342 1342/1342 1342 ± 0.000002024 6.066 5.716/6.676 6.257 ± 0.7023
ea18 1342 1342/1342 1342 ± 0 5.191 4.8/5.658 5.281 ± 0.5572
ea19 1342 1342/1342 1342 ± 0 6.379 5.729/6.973 6.443 ± 0.7211
ea20 1342 1342/1342 1342 ± 0 6.467 5.863/7.064 6.453 ± 0.6847
ea21 1342 1342/1342 1342 ± 0 6.041 5.519/6.456 6.047 ± 0.5891
ea22 1342 1342/1342 1342 ± 0 5.532 5.323/6.224 5.821 ± 0.6873
ea23 1342 1342/1342 1342 ± 0 6.326 5.627/6.742 6.309 ± 0.7258
ea25 1342 1342/1342 1342 ± 0 5.64 5.309/6.309 5.838 ± 0.608
ea26 1342 1342/1342 1342 ± 0 6.409 5.836/7.139 6.448 ± 0.6955
ea27 1342 1342/1342 1342 ± 0.00003228 5.879 5.453/6.545 5.925 ± 0.6368
ea28 1342 1342/1342 1342 ± 0.00003464 5.747 5.488/6.565 6.039 ± 0.7066
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 ± 0.00002354 5.514 5.326/5.815 5.531 ± 0.2917
3 1342 1342/1342 1342 ± 0.00003849 5.128 5.022/5.211 5.098 ± 0.2091
4 1342 1342/1342 1342 ± 0.00002395 5.503 5.186/5.647 5.405 ± 0.3541
5 1342 1342/1342 1342 ± 0.00002354 5.499 5.263/5.663 5.478 ± 0.358
6 1342 1342/1342 1342 ± 0.00002354 5.428 5.217/5.564 5.4 ± 0.3051
7 1342 1342/1342 1342 ± 0.00002354 5.504 5.326/5.667 5.477 ± 0.2858
8 1342 1342/1342 1342 ± 0.00002354 5.496 5.187/5.653 5.433 ± 0.3145
9 1342 1342/1342 1342 ± 0.00002354 5.735 5.518/6.008 5.712 ± 0.3484
10 1342 1342/1342 1342 ± 0.00002354 6.163 6.019/6.38 6.147 ± 0.3405
11 1342 1342/1342 1342 ± 0.00002354 6.486 6.281/6.559 6.376 ± 0.3465
12 1342 1342/1342 1342 ± 0.00002374 6.555 6.323/6.77 6.496 ± 0.4909
13 1342 1342/1342 1342 ± 0.00002354 7.108 6.942/7.278 7.064 ± 0.42
14 1342 1342/1342 1342 ± 0.00002354 7.384 7.066/7.624 7.305 ± 0.4669
15 1342 1342/1342 1342 ± 0.00002354 7.018 6.794/7.222 6.923 ± 0.4808
16 1342 1342/1342 1342 ± 0.00003312 6.202 5.907/6.563 6.203 ± 0.456
17 1342 1342/1342 1342 ± 0.00003737 6.279 5.834/6.526 6.192 ± 0.4423
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
Start time
2025-01-08 14:23:57.758
End
2025-01-08 15:22:11.084
Duration
0:58:13.325
Note, WebLog generation is not included in the time.

CASA logs for stage 8