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 5.376 5.065/5.87 5.5 ± 0.5141
ea02 1342 1342/1342 1342 ± 0 5.688 5.246/6.255 5.769 ± 0.6142
ea04 1342 1342/1342 1342 ± 0 5.243 4.907/5.891 5.443 ± 0.5619
ea05 1342 1342/1342 1342 ± 0 5.537 5.139/6.131 5.661 ± 0.5935
ea06 1342 1342/1342 1342 ± 0 4.83 4.567/5.225 4.91 ± 0.3859
ea07 1342 1342/1342 1342 ± 0 5.708 5.301/6.063 5.773 ± 0.539
ea08 1342 1342/1342 1342 ± 0 5.718 5.32/6.451 5.893 ± 0.648
ea09 1342 1342/1342 1342 ± 0 5.506 5.017/6.104 5.617 ± 0.6255
ea10 1342 1342/1342 1342 ± 0.00001671 5.714 5.092/6.375 5.729 ± 0.673
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.512 5.081/6.164 5.72 ± 0.6508
ea13 1342 1342/1342 1342 ± 0 5.894 5.469/6.21 5.932 ± 0.5001
ea14 1342 1342/1342 1342 ± 0 5.607 5.081/6.161 5.667 ± 0.6371
ea15 1342 1342/1342 1342 ± 0 5.351 4.918/5.963 5.495 ± 0.6606
ea16 1342 1342/1342 1342 ± 0 5.921 5.451/6.362 6.004 ± 0.7062
ea17 1342 1342/1342 1342 ± 0 5.796 5.319/6.241 5.87 ± 0.6001
ea18 1342 1342/1342 1342 ± 0 4.83 4.557/5.362 4.969 ± 0.5151
ea19 1342 1342/1342 1342 ± 0 5.681 5.271/6.252 5.845 ± 0.5934
ea20 1342 1342/1342 1342 ± 0 5.854 5.434/6.482 5.98 ± 0.6478
ea21 1342 1342/1342 1342 ± 0 5.471 5.145/6.111 5.633 ± 0.5754
ea22 1342 1342/1342 1342 ± 0 5.599 5.117/6.19 5.673 ± 0.6342
ea23 1342 1342/1342 1342 ± 0 5.729 5.249/6.282 5.852 ± 0.6576
ea25 1342 1342/1342 1342 ± 0 5.419 4.974/5.889 5.499 ± 0.5722
ea26 1342 1342/1342 1342 ± 0 5.865 5.494/6.468 5.971 ± 0.6298
ea27 1342 1342/1342 1342 ± 0.00003831 5.398 5.078/6.138 5.557 ± 0.5628
ea28 1342 1342/1342 1342 ± 0 5.525 5.209/6.294 5.697 ± 0.6326
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 5.113 4.993/5.345 5.141 ± 0.2346
3 1342 1342/1342 1342 ± 0.00002393 4.976 4.874/5.216 5.011 ± 0.2361
4 1342 1342/1342 1342 ± 0.00002422 5.126 4.994/5.3 5.121 ± 0.3264
5 1342 1342/1342 1342 ± 0.00002393 5.146 4.91/5.268 5.108 ± 0.2932
6 1342 1342/1342 1342 ± 0.00002393 5.15 4.948/5.267 5.118 ± 0.2791
7 1342 1342/1342 1342 ± 0.00002393 5.157 5.033/5.322 5.14 ± 0.2397
8 1342 1342/1342 1342 ± 0.00002393 5.204 4.934/5.273 5.111 ± 0.2681
9 1342 1342/1342 1342 ± 0.00002393 5.417 5.258/5.644 5.389 ± 0.3098
10 1342 1342/1342 1342 ± 0.00002393 5.825 5.688/6.048 5.827 ± 0.3152
11 1342 1342/1342 1342 ± 0.00002393 6.138 5.955/6.21 6.048 ± 0.3219
12 1342 1342/1342 1342 ± 0.00002393 6.273 6.096/6.426 6.209 ± 0.3383
13 1342 1342/1342 1342 ± 0.00002393 6.674 6.516/6.806 6.617 ± 0.3528
14 1342 1342/1342 1342 ± 0.00002393 6.889 6.634/6.977 6.771 ± 0.3898
15 1342 1342/1342 1342 ± 0.00002393 6.425 6.276/6.576 6.365 ± 0.3511
16 1342 1342/1342 1342 ± 0.00003309 5.842 5.69/6.07 5.828 ± 0.2941
17 1342 1342/1342 1342 ± 0.00003374 5.884 5.743/6.03 5.846 ± 0.2975
datacolumn
residual_data
output_dir
 
overwrite_modelcol
False
vis
VLASS2.1.sb38598618.eb38624961.59090.97292246528_split_split.ms
statwtmode
VLASS-SE
Start time
2024-12-31 06:02:52.053
End
2024-12-31 06:58:31.434
Duration
0:55:39.381
Note, WebLog generation is not included in the time.

CASA logs for stage 8