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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.479 5.364/5.943 5.674 ± 0.4922
ea02 1342 1342/1342 1342 ± 0.000007165 5.884 5.393/6.385 5.897 ± 0.5819
ea04 1342 1342/1342 1342 ± 0 5.62 5.3/6.129 5.732 ± 0.4884
ea05 1342 1342/1342 1342 ± 0 5.944 5.455/6.249 5.882 ± 0.5183
ea06 1342 1342/1342 1342 ± 0 3.213 3.115/3.504 3.266 ± 0.1856
ea07 1342 1342/1342 1342 ± 0 5.5 5.474/5.821 5.604 ± 0.1925
ea08 1342 1342/1342 1342 ± 0.0000113 5.891 5.578/6.623 6.061 ± 0.6609
ea09 1342 1342/1342 1342 ± 0 5.049 4.917/5.556 5.213 ± 0.4144
ea10 1342 1342/1342 1342 ± 0 5.612 5.338/6.339 5.791 ± 0.5589
ea11 1342 1342/1342 1342 ± 0.000004718 5.797 5.528/6.413 5.975 ± 0.5397
ea12 1342 1342/1342 1342 ± 0 6.01 5.541/6.438 6.039 ± 0.5247
ea13 1342 1342/1342 1342 ± 0 5.924 5.754/6.281 6.056 ± 0.4326
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 5.217 5.04/5.354 5.218 ± 0.3056
ea17 1342 1342/1342 1342 ± 0.0000204 6.117 5.744/6.552 6.223 ± 0.5682
ea18 1342 1342/1342 1342 ± 0 5.239 4.914/5.69 5.317 ± 0.4225
ea19 1342 1342/1342 1342 ± 0 6.584 6.272/6.862 6.6 ± 0.3366
ea21 1342 1342/1342 1342 ± 0 5.806 5.555/6.364 5.966 ± 0.4947
ea22 1342 1342/1342 1342 ± 0.000007226 5.314 5.142/6.132 5.574 ± 0.5866
ea23 1342 1342/1342 1342 ± 0 6.061 5.555/6.515 6.09 ± 0.595
ea25 1342 1342/1342 1342 ± 0.000004183 5.441 5.42/5.621 5.468 ± 0.1725
ea26 1342 1342/1342 1342 ± 0 5.833 5.744/6.687 6.103 ± 0.5584
ea27 1342 1342/1342 1342 ± 0.00001295 5.584 5.349/6.268 5.761 ± 0.5235
ea28 1342 1342/1342 1342 ± 0.00002077 5.711 5.478/6.428 5.9 ± 0.6233
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 ± 0.00002607 5.544 5.369/5.751 5.496 ± 0.2973
3 1342 1342/1342 1342 ± 0.00003614 5.197 4.973/5.527 5.271 ± 0.3812
4 1342 1342/1342 1342 ± 0.00002607 5.34 5.169/5.529 5.307 ± 0.2995
5 1342 1342/1342 1342 ± 0.00002607 5.56 5.348/5.685 5.517 ± 0.2703
6 1342 1342/1342 1342 ± 0.00002607 5.428 5.225/5.502 5.381 ± 0.2484
7 1342 1342/1342 1342 ± 0.00002607 5.431 5.32/5.555 5.423 ± 0.2386
8 1342 1342/1342 1342 ± 0.00002607 5.448 5.186/5.53 5.377 ± 0.2856
9 1342 1342/1342 1342 ± 0.00002607 5.725 5.346/5.861 5.624 ± 0.338
10 1342 1342/1342 1342 ± 0.00002607 6.024 5.832/6.177 5.851 ± 0.6282
11 1342 1342/1342 1342 ± 0.00002607 6.282 5.964/6.413 6.026 ± 0.7431
12 1342 1342/1342 1342 ± 0.00002607 6.396 6.031/6.514 6.172 ± 0.7484
13 1342 1342/1342 1342 ± 0.00002607 6.76 6.456/6.982 6.524 ± 0.7973
14 1342 1342/1342 1342 ± 0.00002607 6.896 6.642/7.105 6.664 ± 0.8238
15 1342 1342/1342 1342 ± 0.00002607 6.476 6.197/6.664 6.224 ± 0.7996
16 1342 1342/1342 1342 ± 0.00003349 5.601 5.272/5.976 5.53 ± 0.7013
17 1342 1342/1342 1342 ± 0.00002999 5.677 5.355/6.031 5.59 ± 0.6614
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-03-29 06:53:21.399
End
2024-03-29 07:51:47.726
Duration
0:58:26.327
Note, WebLog generation is not included in the time.

CASA logs for stage 7