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

Statwt Summary Plot

VLASS2.1.sb38598618.eb38624961.59090.97292246528_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 5.331 5.01/5.83 5.455 ± 0.5248
ea02 1342 1342/1342 1342 ± 0 5.597 5.15/6.219 5.694 ± 0.6404
ea04 1342 1342/1342 1342 ± 0 5.143 4.803/5.815 5.361 ± 0.5711
ea05 1342 1342/1342 1342 ± 0 5.516 5.064/6.074 5.607 ± 0.6103
ea06 1342 1342/1342 1342 ± 0 4.786 4.53/5.181 4.865 ± 0.389
ea07 1342 1342/1342 1342 ± 0 5.649 5.217/5.984 5.709 ± 0.5463
ea08 1342 1342/1342 1342 ± 0 5.592 5.242/6.394 5.828 ± 0.6548
ea09 1342 1342/1342 1342 ± 0 5.475 4.99/6.065 5.585 ± 0.6258
ea10 1342 1342/1342 1342 ± 0.00001871 5.652 5.028/6.319 5.668 ± 0.6719
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.475 5.022/6.134 5.656 ± 0.6546
ea13 1342 1342/1342 1342 ± 0 5.837 5.431/6.13 5.874 ± 0.5136
ea14 1342 1342/1342 1342 ± 0 5.582 5.025/6.151 5.618 ± 0.6374
ea15 1342 1342/1342 1342 ± 0 5.293 4.824/5.91 5.43 ± 0.6545
ea16 1342 1342/1342 1342 ± 0 5.873 5.363/6.35 5.951 ± 0.7121
ea17 1342 1342/1342 1342 ± 0.000001067 5.626 5.209/6.134 5.76 ± 0.6154
ea18 1342 1342/1342 1342 ± 0 4.912 4.5/5.375 4.921 ± 0.526
ea19 1342 1342/1342 1342 ± 0 5.617 5.201/6.194 5.767 ± 0.6017
ea20 1342 1342/1342 1342 ± 0 5.795 5.351/6.421 5.905 ± 0.6564
ea21 1342 1342/1342 1342 ± 0 5.433 5.132/6.068 5.592 ± 0.5776
ea22 1342 1342/1342 1342 ± 0 5.516 5.07/6.177 5.626 ± 0.6472
ea23 1342 1342/1342 1342 ± 0 5.701 5.211/6.207 5.797 ± 0.6727
ea25 1342 1342/1342 1342 ± 0 5.474 4.921/5.947 5.461 ± 0.591
ea26 1342 1342/1342 1342 ± 0 5.844 5.355/6.42 5.908 ± 0.6778
ea27 1342 1342/1342 1342 ± 0.00003253 5.374 5.021/6.087 5.525 ± 0.5689
ea28 1342 1342/1342 1342 ± 0 5.416 5.137/6.265 5.637 ± 0.6452
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 ± 0.00002429 5.043 4.905/5.289 5.061 ± 0.2316
3 1342 1342/1342 1342 ± 0.00002431 4.877 4.754/5.141 4.923 ± 0.2406
4 1342 1342/1342 1342 ± 0.00002495 5.067 4.843/5.255 5.019 ± 0.3073
5 1342 1342/1342 1342 ± 0.00002429 5.114 4.911/5.182 5.061 ± 0.294
6 1342 1342/1342 1342 ± 0.00002433 5.063 4.892/5.182 5.029 ± 0.2746
7 1342 1342/1342 1342 ± 0.00002429 5.08 4.992/5.22 5.082 ± 0.2377
8 1342 1342/1342 1342 ± 0.00002429 5.121 4.905/5.222 5.061 ± 0.2616
9 1342 1342/1342 1342 ± 0.00002429 5.389 5.247/5.604 5.36 ± 0.2946
10 1342 1342/1342 1342 ± 0.00002429 5.819 5.701/6.014 5.785 ± 0.3155
11 1342 1342/1342 1342 ± 0.00002429 6.092 5.895/6.15 5.997 ± 0.325
12 1342 1342/1342 1342 ± 0.00002429 6.251 6.036/6.372 6.157 ± 0.3381
13 1342 1342/1342 1342 ± 0.00002429 6.604 6.49/6.745 6.564 ± 0.3526
14 1342 1342/1342 1342 ± 0.00002429 6.826 6.559/6.915 6.719 ± 0.3957
15 1342 1342/1342 1342 ± 0.00002429 6.422 6.234/6.548 6.33 ± 0.349
16 1342 1342/1342 1342 ± 0.00003267 5.776 5.584/6.009 5.769 ± 0.3083
17 1342 1342/1342 1342 ± 0.00003149 5.84 5.649/5.956 5.794 ± 0.3005
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-12-31 04:30:36.971
End
2024-12-31 05:36:08.308
Duration
1:05:31.337
Note, WebLog generation is not included in the time.

CASA logs for stage 8