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

Statwt Summary Plot

VLASS2.1.sb38461639.eb38575724.59076.48643795139_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 5.1 5.031/5.888 5.411 ± 0.6375
ea02 1342 1342/1342 1342 ± 0.00003048 5.741 5.158/6.41 5.764 ± 0.849
ea04 1342 1342/1342 1342 ± 0.00003605 5.149 4.802/5.817 5.189 ± 0.7118
ea05 1342 1342/1342 1342 ± 0.00002627 5.29 4.928/6.302 5.496 ± 0.9169
ea06 1342 1342/1342 1342 ± 0.0000363 5.006 4.778/5.574 5.062 ± 0.6581
ea07 1342 1342/1342 1342 ± 0.00002514 5.61 5.165/6.007 5.638 ± 0.6875
ea08 1342 1342/1342 1342 ± 0.00002291 5.918 5.478/6.665 6.075 ± 0.7757
ea09 1342 1342/1342 1342 ± 0.00003092 5.419 4.984/6.269 5.438 ± 0.8927
ea10 1342 1342/1342 1342 ± 0.00002597 5.525 4.954/6.224 5.574 ± 0.7296
ea11 1342 1342/1342 1342 ± 0.00002926 5.65 5.064/6.243 5.608 ± 0.7307
ea12 1342 1342/1342 1342 ± 0.00003596 5.39 5.057/6.278 5.498 ± 0.8275
ea13 1342 1342/1342 1342 ± 0.0000202 5.617 5.336/6.103 5.698 ± 0.8559
ea14 1342 1342/1342 1342 ± 0.00003322 5.532 5.166/6.407 5.758 ± 0.9271
ea15 1342 1342/1342 1342 ± 0.00003544 5.286 4.973/6.066 5.478 ± 0.864
ea16 1342 1342/1342 1342 ± 0.00003233 5.515 5.188/6.351 5.659 ± 0.9318
ea17 1342 1342/1342 1342 ± 0.00003161 5.952 5.442/6.654 5.947 ± 0.8147
ea18 1342 1342/1342 1342 ± 0.00003104 4.983 4.616/5.45 4.941 ± 0.5546
ea19 1342 1342/1342 1342 ± 0.00001638 5.5 5.261/6.546 5.748 ± 0.9676
ea20 1342 1342/1342 1342 ± 0.00003284 5.677 5.48/6.582 5.86 ± 0.8164
ea21 1342 1342/1342 1342 ± 0.00003086 5.336 5.082/6.089 5.492 ± 0.8364
ea22 1342 1342/1342 1342 ± 0.00003817 5.342 5.007/6.407 5.577 ± 0.9623
ea23 1342 1342/1342 1342 ± 0.00002712 5.63 5.212/6.324 5.775 ± 0.8662
ea25 1342 1342/1342 1342 ± 0.00002963 5.39 5.045/6.122 5.494 ± 0.6785
ea27 1342 1342/1342 1342 ± 0.00002814 5.345 5.056/6.218 5.516 ± 0.7051
ea28 1342 1342/1342 1342 ± 0.00002938 5.418 5.184/6.375 5.702 ± 0.7797
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 ± 0.00002396 5.19 5.04/5.399 5.194 ± 0.2366
5 1342 1342/1342 1342 ± 0.00002569 5.082 4.902/5.331 5.115 ± 0.2948
6 1342 1342/1342 1342 ± 0.00002396 5.078 4.997/5.212 5.086 ± 0.2339
7 1342 1342/1342 1342 ± 0.00002396 5.084 4.988/5.204 5.093 ± 0.1994
8 1342 1342/1342 1342 ± 0.00002396 5.117 4.924/5.279 5.097 ± 0.2393
9 1342 1342/1342 1342 ± 0.00002396 5.41 5.291/5.609 5.403 ± 0.2781
10 1342 1342/1342 1342 ± 0.00002396 5.848 5.692/5.968 5.803 ± 0.281
11 1342 1342/1342 1342 ± 0.00002396 6.087 5.969/6.23 6.074 ± 0.2906
12 1342 1342/1342 1342 ± 0.00002396 6.301 6.08/6.401 6.244 ± 0.3002
13 1342 1342/1342 1342 ± 0.00002419 6.499 6.176/6.619 6.425 ± 0.3612
14 1342 1342/1342 1342 ± 0.00002462 6.67 6.252/6.979 6.591 ± 0.4701
15 1342 1342/1342 1342 ± 0.00003692 6.579 6.419/6.853 6.54 ± 0.4524
16 1342 1342/1342 1342 ± 0.00005011 3.673 3.544/3.798 3.673 ± 0.2351
17 1342 1342/1342 1342 ± 0.00004912 3.742 3.541/3.961 3.766 ± 0.3676
overwrite_modelcol
False
vis
VLASS2.1.sb38461639.eb38575724.59076.48643795139_split_split.ms
statwtmode
VLASS-SE
output_dir
 
datacolumn
residual_data
Start time
2024-11-06 14:06:45.110
End
2024-11-06 15:11:15.474
Duration
1:04:30.364
Note, WebLog generation is not included in the time.

CASA logs for stage 8