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

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_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 5.268 5.071/6.074 5.614 ± 0.6039
ea02 1342 1342/1342 1342 ± 0.00002459 6.192 5.392/6.727 6.024 ± 0.7783
ea04 1342 1342/1342 1342 ± 0.000002331 5.13 4.965/5.9 5.447 ± 0.5722
ea05 1342 1342/1342 1342 ± 0 5.415 5.246/6.445 5.763 ± 0.6755
ea06 1342 1342/1342 1342 ± 0.000005215 4.624 4.51/5.355 4.946 ± 0.5075
ea07 1342 1342/1342 1342 ± 0.00004351 5.715 5.314/6.281 5.839 ± 0.7759
ea08 1342 1342/1342 1342 ± 0.00002454 5.659 5.257/6.728 6.088 ± 0.8441
ea10 1342 1342/1342 1342 ± 0.00004374 5.387 5.035/6.664 5.791 ± 0.8419
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.000007173 5.328 5.095/6.399 5.767 ± 0.7784
ea13 1342 1342/1342 1342 ± 0 6.169 5.483/6.305 6.049 ± 0.6353
ea14 1342 1342/1342 1342 ± 0.00002353 5.276 5.045/6.353 5.684 ± 0.7453
ea15 1342 1342/1342 1342 ± 0.000001648 5.329 4.93/6.042 5.562 ± 0.7069
ea16 1342 1342/1342 1342 ± 0 5.778 5.354/6.779 6.07 ± 0.8876
ea17 1342 1342/1342 1342 ± 0.00004367 5.614 5.253/6.694 5.978 ± 0.7736
ea18 1342 1342/1342 1342 ± 0.00002512 4.757 4.675/5.595 5.066 ± 0.5635
ea19 1342 1342/1342 1342 ± 0.00001389 5.615 5.441/6.66 6.038 ± 0.7046
ea20 1342 1342/1342 1342 ± 0.00001455 5.671 5.444/6.714 6.05 ± 0.8247
ea21 1342 1342/1342 1342 ± 0.00001555 5.492 5.181/6.26 5.744 ± 0.6662
ea22 1342 1342/1342 1342 ± 0 5.797 5.093/6.363 5.782 ± 0.7078
ea23 1342 1342/1342 1342 ± 0.00004152 5.478 5.234/6.554 5.91 ± 0.8275
ea25 1342 1342/1342 1342 ± 0.00004251 5.167 4.903/6.124 5.545 ± 0.7335
ea26 1342 1342/1342 1342 ± 0 6.211 5.504/6.825 6.243 ± 0.7366
ea27 1342 1342/1342 1342 ± 0.000044 5.336 5.04/6.363 5.691 ± 0.701
ea28 1342 1342/1342 1342 ± 0.00004129 5.369 5.221/6.509 5.814 ± 0.7981
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 ± 0.00002474 5.187 4.889/5.319 5.111 ± 0.2737
3 1342 1342/1342 1342 ± 0.0000266 4.806 4.658/4.949 4.836 ± 0.3337
6 1342 1342/1342 1342 ± 0.00002439 5.272 5.046/5.439 5.216 ± 0.2834
7 1342 1342/1342 1342 ± 0.00002439 5.241 5.086/5.446 5.24 ± 0.2592
8 1342 1342/1342 1342 ± 0.00002439 5.167 5.006/5.343 5.139 ± 0.2777
9 1342 1342/1342 1342 ± 0.00002637 5.275 5.086/5.511 5.274 ± 0.2984
10 1342 1342/1342 1342 ± 0.00002439 6.032 5.875/6.171 5.969 ± 0.3302
11 1342 1342/1342 1342 ± 0.00002439 6.284 6.083/6.402 6.207 ± 0.3452
12 1342 1342/1342 1342 ± 0.00002439 6.438 6.23/6.599 6.377 ± 0.3763
13 1342 1342/1342 1342 ± 0.00002439 6.835 6.709/7.112 6.815 ± 0.3914
14 1342 1342/1342 1342 ± 0.00002439 7.137 6.853/7.31 7.046 ± 0.4389
15 1342 1342/1342 1342 ± 0.00002439 6.619 6.295/6.804 6.505 ± 0.4571
16 1342 1342/1342 1342 ± 0.00006025 4.964 4.779/5.174 5.006 ± 0.3457
17 1342 1342/1342 1342 ± 0.0000579 5.212 5.046/5.498 5.289 ± 0.4198
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-21 17:41:20.639
End
2024-12-21 18:47:55.459
Duration
1:06:34.821
Note, WebLog generation is not included in the time.

CASA logs for stage 8