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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.577 5.486/6.324 5.895 ± 0.601
ea02 1342 1342/1342 1342 ± 0.0000415 6.108 5.616/6.77 6.207 ± 0.6451
ea03 1342 1342/1342 1342 ± 0 5.766 5.023/6.222 5.674 ± 0.6168
ea04 1342 1342/1342 1342 ± 0 5.621 5.218/6.17 5.719 ± 0.5452
ea05 1342 1342/1342 1342 ± 0 6.18 5.604/6.625 6.017 ± 0.6799
ea06 1342 1342/1342 1342 ± 0 4.873 4.824/4.919 4.841 ± 0.1149
ea07 1342 1342/1342 1342 ± 0 6.155 5.724/6.484 6.256 ± 0.5761
ea08 1342 1342/1342 1342 ± 0 6.137 5.74/6.93 6.294 ± 0.701
ea09 1342 1342/1342 1342 ± 0 5.993 5.46/6.714 6.046 ± 0.7279
ea10 1342 1342/1342 1342 ± 0 6.049 5.574/6.76 6.142 ± 0.6745
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.053 5.482/6.465 6.043 ± 0.7075
ea13 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.179 5.672/6.62 6.222 ± 0.6761
ea16 1342 1342/1342 1342 ± 0 6.444 5.932/7.01 6.468 ± 0.7811
ea17 1342 1342/1342 1342 ± 0 6.667 6.033/7.272 6.682 ± 0.6711
ea18 1342 1342/1342 1342 ± 0 5.207 4.824/5.669 5.273 ± 0.5039
ea19 1342 1342/1342 1342 ± 0 6.272 5.68/6.761 6.222 ± 0.6019
ea20 1342 1342/1342 1342 ± 0 6.091 5.622/6.724 6.113 ± 0.6889
ea21 1342 1342/1342 1342 ± 0 6.04 5.673/6.612 6.109 ± 0.6444
ea22 1342 1342/1342 1342 ± 0 6 5.506/6.505 5.969 ± 0.5802
ea23 1342 1342/1342 1342 ± 0 6.329 5.718/6.723 6.257 ± 0.7052
ea24 1342 1342/1342 1342 ± 0 6.081 5.724/6.832 6.183 ± 0.6856
ea25 1342 1342/1342 1342 ± 0 5.841 5.492/6.332 5.931 ± 0.6008
ea26 1342 1342/1342 1342 ± 0 6.626 5.96/7.271 6.55 ± 0.7705
ea27 1342 1342/1342 1342 ± 0 5.714 5.6/6.565 5.957 ± 0.6394
ea28 1342 1342/1342 1342 ± 0 5.718 5.438/6.445 5.885 ± 0.6378
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 ± 0.00002418 5.651 5.402/5.783 5.559 ± 0.3216
4 1342 1342/1342 1342 ± 0.00002775 4.867 4.634/5.025 4.838 ± 0.2165
5 1342 1342/1342 1342 ± 0.00002418 5.586 5.281/5.727 5.51 ± 0.3472
6 1342 1342/1342 1342 ± 0.00002418 5.551 5.423/5.744 5.51 ± 0.3261
7 1342 1342/1342 1342 ± 0.00002418 5.594 5.464/5.699 5.536 ± 0.3055
8 1342 1342/1342 1342 ± 0.00002418 5.493 5.307/5.674 5.459 ± 0.3492
9 1342 1342/1342 1342 ± 0.00002418 5.759 5.534/6.104 5.739 ± 0.388
10 1342 1342/1342 1342 ± 0.00002467 6.244 6.067/6.45 6.219 ± 0.3394
11 1342 1342/1342 1342 ± 0.00002467 6.516 6.309/6.624 6.454 ± 0.3295
12 1342 1342/1342 1342 ± 0.00002467 6.647 6.466/6.771 6.625 ± 0.3625
13 1342 1342/1342 1342 ± 0.00002467 7.084 6.916/7.19 7.048 ± 0.369
14 1342 1342/1342 1342 ± 0.00002467 7.226 7.025/7.492 7.211 ± 0.3987
15 1342 1342/1342 1342 ± 0.00002467 6.797 6.522/6.968 6.762 ± 0.3593
16 1342 1342/1342 1342 ± 0.00002518 6.155 5.916/6.375 6.18 ± 0.3713
17 1342 1342/1342 1342 ± 0.00002518 6.177 6.035/6.416 6.22 ± 0.3469
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2025-01-11 04:30:54.508
End
2025-01-11 05:55:18.915
Duration
1:24:24.407
Note, WebLog generation is not included in the time.

CASA logs for stage 8