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

Statwt Summary Plot

VLASS2.1.sb38663900.eb38831428.59145.025327407406_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 5.375 5.249/5.911 5.406 ± 0.7936
ea02 1342 1342/1342 1342 ± 0.00004329 5.81 5.279/6.368 5.658 ± 0.9608
ea03 1342 1342/1342 1342 ± 0.000004693 4.953 4.624/5.728 5.02 ± 0.7522
ea04 1342 1342/1342 1342 ± 0.00002701 5.331 5.061/6.088 5.362 ± 0.8856
ea05 1342 1342/1342 1342 ± 0.00001892 5.43 5.109/6.344 5.559 ± 0.8781
ea06 1342 1342/1342 1342 ± 0.000001797 4.284 4.154/4.909 4.356 ± 0.624
ea07 1342 1342/1342 1342 ± 0.00004279 5.836 5.236/6.17 5.584 ± 0.8638
ea08 1342 1342/1342 1342 ± 0.00004537 5.861 5.46/6.662 5.821 ± 1.017
ea09 1342 1342/1342 1342 ± 0.000009864 5.48 5.053/6.13 5.37 ± 0.8283
ea10 1342 1342/1342 1342 ± 0.00004373 5.713 5.209/6.461 5.631 ± 0.9499
ea11 1342 1342/1342 1342 ± 0.000002541 5.617 4.974/6.315 5.529 ± 1.002
ea12 1342 1342/1342 1342 ± 0.00003685 5.516 5.254/6.522 5.63 ± 0.9608
ea13 1342 1342/1342 1342 ± 0.00001596 5.914 5.63/6.327 5.756 ± 0.848
ea14 1342 1342/1342 1342 ± 0.00002272 5.554 5.075/6.201 5.479 ± 0.9355
ea15 1342 1342/1342 1342 ± 0.000002881 3.666 3.557/4.642 3.932 ± 0.8345
ea16 1342 1342/1342 1342 ± 0.00002549 5.789 5.494/6.673 5.805 ± 1.001
ea17 1342 1342/1342 1342 ± 0.000004696 6.028 5.55/7.254 6.086 ± 1.127
ea18 1342 1342/1342 1342 ± 0.00004269 4.702 4.416/5.294 4.73 ± 0.6419
ea19 1342 1342/1342 1342 ± 0.00001388 5.358 5.174/6.277 5.533 ± 0.8264
ea20 1342 1342/1342 1342 ± 0.00001471 5.808 5.657/6.934 5.957 ± 1.107
ea21 1342 1342/1342 1342 ± 0.00002432 5.77 5.033/6.274 5.547 ± 0.9109
ea23 1342 1342/1342 1342 ± 0.00003978 5.432 5.246/5.568 5.176 ± 0.7841
ea24 1342 1342/1342 1342 ± 0.00003688 5.494 5.241/6.25 5.493 ± 0.8633
ea25 1342 1342/1342 1342 ± 0.00004579 5.511 5.234/6.021 5.427 ± 0.855
ea26 1342 1342/1342 1342 ± 0.00002388 5.904 5.498/6.369 5.759 ± 0.9286
ea27 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea28 1342 1342/1342 1342 ± 0.00004614 5.338 5.125/6.088 5.382 ± 0.8314
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 ± 0.00002399 5.346 5.036/5.53 5.216 ± 0.4792
5 1342 1342/1342 1342 ± 0.00002399 5.382 5.105/5.624 5.275 ± 0.5425
6 1342 1342/1342 1342 ± 0.00002399 5.248 4.97/5.493 5.136 ± 0.4909
7 1342 1342/1342 1342 ± 0.00002399 5.239 5.087/5.515 5.197 ± 0.475
8 1342 1342/1342 1342 ± 0.00002399 5.245 5.116/5.468 5.192 ± 0.4889
9 1342 1342/1342 1342 ± 0.00002399 5.576 5.304/5.808 5.45 ± 0.5277
10 1342 1342/1342 1342 ± 0.00002399 5.956 5.521/6.149 5.784 ± 0.5727
11 1342 1342/1342 1342 ± 0.00002399 6.168 5.984/6.334 6.075 ± 0.5261
12 1342 1342/1342 1342 ± 0.00002399 6.307 6.129/6.653 6.267 ± 0.5755
13 1342 1342/1342 1342 ± 0.00002399 6.557 6.268/6.84 6.467 ± 0.5386
14 1342 1342/1342 1342 ± 0.00003541 6.244 5.719/6.612 6.204 ± 0.6462
15 1342 1342/1342 1342 ± 0.00002406 6.426 6.179/6.815 6.341 ± 0.7167
16 1342 1342/1342 1342 ± 0.00006096 3.64 3.513/3.76 3.584 ± 0.3251
17 1342 1342/1342 1342 ± 0.00006059 3.787 3.644/3.927 3.738 ± 0.3351
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38663900.eb38831428.59145.025327407406_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 12:05:35.054
End
2025-01-11 13:04:04.560
Duration
0:58:29.507
Note, WebLog generation is not included in the time.

CASA logs for stage 8