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

Statwt Summary Plot

VLASS2.1.sb38498189.eb38518036.59051.15321533565_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 5.271 5.074/6.109 5.494 ± 0.7603
ea02 1342 1342/1342 1342 ± 0.00004399 5.63 5.237/6.501 5.751 ± 0.8913
ea04 1342 1342/1342 1342 ± 0.00003384 5.286 4.947/5.897 5.37 ± 0.7098
ea05 1342 1342/1342 1342 ± 0.00002037 5.451 5.036/6.432 5.648 ± 0.805
ea06 1342 1342/1342 1342 ± 0.00003975 4.797 4.594/5.407 4.892 ± 0.5771
ea07 1342 1342/1342 1342 ± 0.000042 5.688 5.287/6.133 5.67 ± 0.8281
ea08 1342 1342/1342 1342 ± 0.00004375 5.686 5.347/6.716 5.916 ± 0.9979
ea09 1342 1342/1342 1342 ± 0.00003315 5.3 4.893/5.786 5.257 ± 0.6422
ea10 1342 1342/1342 1342 ± 0.00004085 4.854 4.516/5.541 4.953 ± 0.6388
ea11 1342 1342/1342 1342 ± 0.00004353 5.607 5.314/6.514 5.805 ± 0.9131
ea12 1342 1342/1342 1342 ± 0.00004264 5.433 5.131/6.304 5.628 ± 0.8543
ea13 1342 1342/1342 1342 ± 0.00001996 5.691 5.533/6.203 5.828 ± 0.7372
ea14 1342 1342/1342 1342 ± 0.00003714 5.583 5.249/6.496 5.765 ± 0.8801
ea15 1342 1342/1342 1342 ± 0.00002955 5.476 5.227/6.287 5.648 ± 0.8801
ea16 1342 1342/1342 1342 ± 0.00003012 5.713 5.377/6.731 5.932 ± 0.9785
ea17 1342 1342/1342 1342 ± 0.00004163 5.799 5.338/6.926 5.92 ± 0.9219
ea18 1342 1342/1342 1342 ± 0.00004257 4.849 4.736/5.737 5.105 ± 0.6384
ea19 1342 1342/1342 1342 ± 0.00001618 5.696 5.49/6.61 5.931 ± 0.8669
ea20 1342 1342/1342 1342 ± 0.00004247 5.836 5.713/6.749 6.056 ± 0.9254
ea21 1342 1342/1342 1342 ± 0.0000322 5.56 5.242/6.324 5.675 ± 0.8421
ea22 1342 1342/1342 1342 ± 0.00004172 5.332 5.027/6.33 5.585 ± 0.8154
ea23 1342 1342/1342 1342 ± 0.00004373 5.627 5.35/6.58 5.807 ± 0.9759
ea24 1342 1342/1342 1342 ± 0.00002415 5.184 4.788/6.127 5.394 ± 0.7181
ea25 1342 1342/1342 1342 ± 0.00004315 5.355 4.99/6.223 5.513 ± 0.8245
ea26 1342 1342/1342 1342 ± 0.00003133 5.603 5.536/6.701 5.938 ± 0.8874
ea27 1342 1342/1342 1342 ± 0.00004259 5.518 5.244/6.455 5.696 ± 0.8319
ea28 1342 1342/1342 1342 ± 0.00004354 5.533 5.341/6.487 5.784 ± 0.9133
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 ± 0.00002318 5.311 5.052/5.466 5.24 ± 0.337
6 1342 1342/1342 1342 ± 0.00002318 5.266 4.952/5.483 5.225 ± 0.2935
7 1342 1342/1342 1342 ± 0.00002318 5.253 5.032/5.415 5.211 ± 0.2873
8 1342 1342/1342 1342 ± 0.00002318 5.25 4.949/5.381 5.188 ± 0.3262
9 1342 1342/1342 1342 ± 0.00002339 5.517 5.175/5.631 5.391 ± 0.3183
10 1342 1342/1342 1342 ± 0.00002318 6.019 5.817/6.134 5.927 ± 0.3371
11 1342 1342/1342 1342 ± 0.00002318 6.233 6.008/6.416 6.168 ± 0.3447
12 1342 1342/1342 1342 ± 0.00002318 6.33 6.128/6.572 6.326 ± 0.378
13 1342 1342/1342 1342 ± 0.00002318 6.835 6.478/6.996 6.686 ± 0.4427
14 1342 1342/1342 1342 ± 0.00002318 6.995 6.658/7.201 6.849 ± 0.4731
15 1342 1342/1342 1342 ± 0.0000234 6.474 6.174/6.669 6.374 ± 0.4481
16 1342 1342/1342 1342 ± 0.00005452 4.258 4.145/4.366 4.252 ± 0.1623
17 1342 1342/1342 1342 ± 0.0000544 4.176 4.042/4.403 4.219 ± 0.2424
output_dir
 
statwtmode
VLASS-SE
vis
VLASS2.1.sb38498189.eb38518036.59051.15321533565_split_split.ms
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-04-20 15:17:35.540
End
2024-04-20 16:11:33.156
Duration
0:53:57.616
Note, WebLog generation is not included in the time.

CASA logs for stage 7