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

Statwt Summary Plot

VLASS2.1.sb38490392.eb38577577.59079.6066271412_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 5.005 4.871/5.769 5.318 ± 0.5605
ea02 1342 1342/1342 1342 ± 0.00002466 5.543 5.014/6.341 5.653 ± 0.7746
ea04 1342 1342/1342 1342 ± 0.00001575 4.953 4.77/5.686 5.197 ± 0.5491
ea05 1342 1342/1342 1342 ± 0.000005461 5.318 5.076/6.228 5.593 ± 0.6097
ea06 1342 1342/1342 1342 ± 0 4.765 4.55/5.334 4.97 ± 0.474
ea07 1342 1342/1342 1342 ± 0.00004076 5.274 5.004/5.896 5.529 ± 0.6255
ea08 1342 1342/1342 1342 ± 0.00004173 5.466 5.179/6.43 5.761 ± 0.7443
ea09 1342 1342/1342 1342 ± 0 5.136 4.889/6.156 5.401 ± 0.6617
ea10 1342 1342/1342 1342 ± 0.00004264 5.343 4.939/6.215 5.566 ± 0.6546
ea11 1342 1342/1342 1342 ± 0.00000983 5.267 4.852/6.044 5.459 ± 0.6988
ea12 1342 1342/1342 1342 ± 0 5.291 4.989/6.108 5.515 ± 0.6641
ea13 1342 1342/1342 1342 ± 0 5.621 5.38/6.167 5.814 ± 0.5536
ea14 1342 1342/1342 1342 ± 0.000007867 5.388 5.145/6.248 5.678 ± 0.6608
ea15 1342 1342/1342 1342 ± 0 5.146 4.929/5.958 5.453 ± 0.6509
ea16 1342 1342/1342 1342 ± 0.000008598 5.579 5.326/6.431 5.839 ± 0.6917
ea17 1342 1342/1342 1342 ± 0.0000424 5.458 5.033/6.652 5.715 ± 0.7239
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0.000001172 5.485 5.3/6.427 5.818 ± 0.6203
ea20 1342 1342/1342 1342 ± 0 5.502 5.211/6.553 5.797 ± 0.7438
ea21 1342 1342/1342 1342 ± 0.000007985 5.318 5.035/5.984 5.512 ± 0.5775
ea22 1342 1342/1342 1342 ± 0.000007867 5.245 4.897/6.284 5.521 ± 0.7544
ea23 1342 1342/1342 1342 ± 0.00002898 5.298 5.132/6.263 5.709 ± 0.7094
ea25 1342 1342/1342 1342 ± 0.00001634 5.094 4.907/5.984 5.365 ± 0.676
ea26 1342 1342/1342 1342 ± 0 5.338 5.136/6.298 5.628 ± 0.6121
ea27 1342 1342/1342 1342 ± 0.0000418 5.15 4.913/6.199 5.461 ± 0.6398
ea28 1342 1342/1342 1342 ± 0.0000418 5.265 5.011/6.236 5.572 ± 0.6873
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 ± 0.00002393 5.12 4.925/5.261 5.086 ± 0.1934
4 1342 1342/1342 1342 ± 0.00002876 4.955 4.775/5.113 4.945 ± 0.2698
5 1342 1342/1342 1342 ± 0.00002441 5.081 4.91/5.296 5.107 ± 0.2498
6 1342 1342/1342 1342 ± 0.00002393 5.032 4.946/5.246 5.054 ± 0.2095
7 1342 1342/1342 1342 ± 0.00002393 5.135 5.002/5.251 5.128 ± 0.1878
8 1342 1342/1342 1342 ± 0.00002393 5.127 4.947/5.264 5.107 ± 0.2155
9 1342 1342/1342 1342 ± 0.00002393 5.449 5.3/5.633 5.401 ± 0.2563
10 1342 1342/1342 1342 ± 0.00002393 5.805 5.712/5.897 5.785 ± 0.2223
11 1342 1342/1342 1342 ± 0.00002393 6.082 5.914/6.165 6.016 ± 0.2456
12 1342 1342/1342 1342 ± 0.00002393 6.215 5.987/6.29 6.156 ± 0.2723
13 1342 1342/1342 1342 ± 0.00002393 6.541 6.428/6.684 6.528 ± 0.2631
14 1342 1342/1342 1342 ± 0.00002393 6.693 6.518/6.874 6.679 ± 0.281
15 1342 1342/1342 1342 ± 0.00002393 6.483 6.261/6.651 6.421 ± 0.356
16 1342 1342/1342 1342 ± 0.00005784 4.769 4.557/5.004 4.785 ± 0.3186
17 1342 1342/1342 1342 ± 0.00005606 4.883 4.689/5.05 4.889 ± 0.2653
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
statwtmode
VLASS-SE
Start time
2024-12-13 05:17:15.586
End
2024-12-13 06:20:41.807
Duration
1:03:26.221
Note, WebLog generation is not included in the time.

CASA logs for stage 8