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

Statwt Summary Plot

VLASS2.1.sb38500385.eb38635359.59099.351010810184_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 5.117 4.954/5.927 5.423 ± 0.6628
ea02 1342 1342/1342 1342 ± 0.00003655 5.586 5.17/6.504 5.843 ± 0.8186
ea04 1342 1342/1342 1342 ± 0.00001186 5.205 4.89/5.841 5.348 ± 0.6603
ea05 1342 1342/1342 1342 ± 0.00000905 5.424 5/6.437 5.706 ± 0.7824
ea06 1342 1342/1342 1342 ± 0.00002026 4.649 4.471/5.36 4.841 ± 0.5591
ea07 1342 1342/1342 1342 ± 0.00004261 5.498 5.221/6.197 5.703 ± 0.7744
ea08 1342 1342/1342 1342 ± 0.00004192 5.623 5.288/6.681 5.968 ± 0.8617
ea09 1342 1342/1342 1342 ± 0 5.409 5.067/6.421 5.687 ± 0.7441
ea10 1342 1342/1342 1342 ± 0.00004383 5.388 5.015/6.496 5.681 ± 0.8444
ea11 1342 1342/1342 1342 ± 0.00004406 5.227 4.836/6.25 5.539 ± 0.8268
ea12 1342 1342/1342 1342 ± 0.00002672 5.47 5.177/6.059 5.642 ± 0.7669
ea13 1342 1342/1342 1342 ± 0 5.528 5.282/6.254 5.885 ± 0.7042
ea14 1342 1342/1342 1342 ± 0.00003627 5.361 5.023/6.314 5.611 ± 0.7514
ea15 1342 1342/1342 1342 ± 0.000006467 5.023 4.928/6.042 5.429 ± 0.7781
ea16 1342 1342/1342 1342 ± 0.00001417 5.824 5.336/6.733 5.977 ± 0.9515
ea17 1342 1342/1342 1342 ± 0.00004451 5.547 5.163/6.319 5.81 ± 0.8561
ea18 1342 1342/1342 1342 ± 0.00004371 4.58 4.476/5.293 4.914 ± 0.5883
ea19 1342 1342/1342 1342 ± 0.00002136 5.588 5.415/6.76 6.019 ± 0.8413
ea20 1342 1342/1342 1342 ± 0.00004009 5.632 5.559/6.618 5.933 ± 0.8304
ea21 1342 1342/1342 1342 ± 0.0000244 5.398 5.094/6.257 5.633 ± 0.7671
ea22 1342 1342/1342 1342 ± 0.000005076 5.157 4.908/6.262 5.525 ± 0.7344
ea23 1342 1342/1342 1342 ± 0.00004007 5.476 5.114/6.489 5.773 ± 0.8624
ea25 1342 1342/1342 1342 ± 0.00004459 5.261 4.956/5.988 5.458 ± 0.7506
ea26 1342 1342/1342 1342 ± 0 5.579 5.481/6.86 6.088 ± 0.834
ea27 1342 1342/1342 1342 ± 0.00004404 5.275 5.085/6.303 5.573 ± 0.7549
ea28 1342 1342/1342 1342 ± 0.00004404 5.357 5.2/6.304 5.721 ± 0.8076
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 ± 0.00002351 5.134 4.931/5.407 5.135 ± 0.2916
5 1342 1342/1342 1342 ± 0.00003045 5.397 5.124/5.803 5.462 ± 0.4618
6 1342 1342/1342 1342 ± 0.00002351 5.174 4.925/5.34 5.11 ± 0.2865
7 1342 1342/1342 1342 ± 0.00002351 5.179 5.023/5.348 5.165 ± 0.2662
8 1342 1342/1342 1342 ± 0.00002351 5.18 4.981/5.288 5.116 ± 0.2883
9 1342 1342/1342 1342 ± 0.00002351 5.283 5.037/5.546 5.275 ± 0.3122
10 1342 1342/1342 1342 ± 0.00002348 5.926 5.803/6.134 5.899 ± 0.3018
11 1342 1342/1342 1342 ± 0.00002348 6.241 6.069/6.336 6.167 ± 0.3263
12 1342 1342/1342 1342 ± 0.00002348 6.405 6.195/6.532 6.347 ± 0.3516
13 1342 1342/1342 1342 ± 0.00002348 6.791 6.611/7.015 6.769 ± 0.3765
14 1342 1342/1342 1342 ± 0.00002348 6.971 6.802/7.227 6.954 ± 0.41
15 1342 1342/1342 1342 ± 0.00002566 6.239 5.893/6.697 6.272 ± 0.6102
16 1342 1342/1342 1342 ± 0.00006072 4.471 4.309/4.64 4.475 ± 0.2266
17 1342 1342/1342 1342 ± 0.00006103 4.714 4.561/4.915 4.741 ± 0.2718
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38500385.eb38635359.59099.351010810184_split_split.ms
overwrite_modelcol
False
output_dir
 
Start time
2024-11-02 13:26:02.288
End
2024-11-02 14:20:45.833
Duration
0:54:43.546
Note, WebLog generation is not included in the time.

CASA logs for stage 8