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 5.333 5.179/6.002 5.382 ± 0.7493
ea02 1342 1342/1342 1342 ± 0.00004634 5.837 5.311/6.517 5.72 ± 0.947
ea04 1342 1342/1342 1342 ± 0 5.029 4.878/5.736 5.177 ± 0.7344
ea05 1342 1342/1342 1342 ± 0.00001352 5.473 5.045/6.168 5.509 ± 0.7665
ea06 1342 1342/1342 1342 ± 0 4.878 4.715/5.354 4.911 ± 0.6254
ea07 1342 1342/1342 1342 ± 0.00004439 5.688 5.278/6.088 5.52 ± 0.8433
ea08 1342 1342/1342 1342 ± 0.00003891 5.866 5.448/6.647 5.884 ± 0.9607
ea09 1342 1342/1342 1342 ± 0.00002201 5.568 5.017/6.103 5.475 ± 0.7875
ea10 1342 1342/1342 1342 ± 0.00004467 5.537 5.073/6.213 5.433 ± 0.8419
ea11 1342 1342/1342 1342 ± 0.00003223 5.563 5.033/6.2 5.466 ± 0.9396
ea12 1342 1342/1342 1342 ± 0 5.736 5.235/6.24 5.602 ± 0.868
ea13 1342 1342/1342 1342 ± 0.00001574 5.81 5.506/6.244 5.756 ± 0.7857
ea14 1342 1342/1342 1342 ± 0.00002507 5.608 5.244/6.379 5.606 ± 0.8031
ea15 1342 1342/1342 1342 ± 0 5.321 5.085/6.128 5.442 ± 0.8525
ea16 1342 1342/1342 1342 ± 0.000026 5.728 5.339/6.305 5.667 ± 0.8004
ea17 1342 1342/1342 1342 ± 0.00003891 5.759 5.295/6.556 5.713 ± 0.9528
ea18 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea19 1342 1342/1342 1342 ± 0 5.774 5.457/6.459 5.779 ± 0.8061
ea20 1342 1342/1342 1342 ± 0.000003926 5.75 5.531/6.552 5.827 ± 0.9985
ea21 1342 1342/1342 1342 ± 0.00002381 5.502 5.246/6.107 5.486 ± 0.7599
ea22 1342 1342/1342 1342 ± 0.00004173 5.375 5.116/6.4 5.549 ± 0.96
ea23 1342 1342/1342 1342 ± 0.00003626 5.729 5.334/6.281 5.66 ± 0.8803
ea25 1342 1342/1342 1342 ± 0.00003791 5.456 5.015/6.095 5.435 ± 0.8613
ea26 1342 1342/1342 1342 ± 0.00002617 5.597 5.49/6.317 5.705 ± 0.8069
ea27 1342 1342/1342 1342 ± 0.00004132 5.411 4.979/6.234 5.454 ± 0.8389
ea28 1342 1342/1342 1342 ± 0.00004272 5.6 5.261/6.449 5.619 ± 0.9237
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 ± 0.00002394 5.453 5.335/5.7 5.506 ± 0.2438
5 1342 1342/1342 1342 ± 0.00002463 5.229 5.008/5.477 5.244 ± 0.2678
6 1342 1342/1342 1342 ± 0.00002394 5.283 5.127/5.44 5.272 ± 0.2352
7 1342 1342/1342 1342 ± 0.00002394 5.247 5.084/5.442 5.247 ± 0.2046
8 1342 1342/1342 1342 ± 0.00002394 5.279 5.054/5.389 5.224 ± 0.2366
9 1342 1342/1342 1342 ± 0.00002394 5.507 5.36/5.688 5.495 ± 0.2713
10 1342 1342/1342 1342 ± 0.00002394 5.949 5.853/6.024 5.913 ± 0.2422
11 1342 1342/1342 1342 ± 0.00002394 6.2 6.103/6.291 6.17 ± 0.2601
12 1342 1342/1342 1342 ± 0.00002394 6.373 6.194/6.516 6.339 ± 0.2949
13 1342 1342/1342 1342 ± 0.00002396 6.655 6.409/6.776 6.587 ± 0.2904
14 1342 1342/1342 1342 ± 0.00003123 6.466 6.165/6.777 6.44 ± 0.3841
15 1342 1342/1342 1342 ± 0.00002451 6.324 6.084/6.568 6.288 ± 0.4382
16 1342 1342/1342 1342 ± 0.00006093 3.776 3.539/3.986 3.74 ± 0.5674
17 1342 1342/1342 1342 ± 0.00006095 3.971 3.855/4.105 3.976 ± 0.1939
vis
VLASS2.1.sb38490392.eb38577577.59079.6066271412_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
Start time
2025-02-06 23:58:53.879
End
2025-02-07 00:27:23.684
Duration
0:28:29.805
Note, WebLog generation is not included in the time.

CASA logs for stage 8