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

Statwt Summary Plot

VLASS2.1.sb38469526.eb38577573.59079.23044392361_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 5.475 5.302/6.322 5.669 ± 0.7848
ea02 1342 1342/1342 1342 ± 0.00004415 5.825 5.497/6.764 6.025 ± 0.9539
ea04 1342 1342/1342 1342 ± 0.00001183 5.246 4.919/5.818 5.308 ± 0.6924
ea05 1342 1342/1342 1342 ± 0.00001465 5.536 5.07/6.279 5.656 ± 0.7634
ea06 1342 1342/1342 1342 ± 0.00002251 4.693 4.571/5.201 4.793 ± 0.4933
ea07 1342 1342/1342 1342 ± 0.00004336 5.862 5.537/6.468 5.891 ± 0.9267
ea08 1342 1342/1342 1342 ± 0.00004283 6.004 5.652/7.01 6.186 ± 1.057
ea09 1342 1342/1342 1342 ± 0.00002225 5.718 5.359/6.484 5.73 ± 0.79
ea10 1342 1342/1342 1342 ± 0.00004553 5.562 5.153/6.465 5.681 ± 0.8866
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00002239 5.661 5.221/6.415 5.7 ± 0.8611
ea13 1342 1342/1342 1342 ± 0.00001472 5.898 5.648/6.4 5.997 ± 0.7579
ea14 1342 1342/1342 1342 ± 0.00003586 5.731 5.545/6.663 5.964 ± 0.8774
ea15 1342 1342/1342 1342 ± 0.00001796 5.083 4.973/5.979 5.398 ± 0.7602
ea16 1342 1342/1342 1342 ± 0.00002966 5.776 5.465/6.719 5.976 ± 0.9163
ea17 1342 1342/1342 1342 ± 0.00004316 5.948 5.603/7.177 6.094 ± 1.032
ea18 1342 1342/1342 1342 ± 0.0000429 4.986 4.91/5.811 5.191 ± 0.6831
ea19 1342 1342/1342 1342 ± 0.00001122 5.768 5.555/6.684 5.99 ± 0.8317
ea20 1342 1342/1342 1342 ± 0.00002894 5.772 5.599/6.901 6.032 ± 0.983
ea21 1342 1342/1342 1342 ± 0.0000282 5.641 5.39/6.38 5.726 ± 0.8022
ea22 1342 1342/1342 1342 ± 0.00003667 5.574 5.125/6.519 5.718 ± 0.8199
ea23 1342 1342/1342 1342 ± 0.00003303 5.808 5.573/6.748 6.145 ± 0.9187
ea25 1342 1342/1342 1342 ± 0.00004336 5.594 5.229/6.487 5.738 ± 0.8898
ea26 1342 1342/1342 1342 ± 0.00002299 5.741 5.65/6.628 5.938 ± 0.783
ea27 1342 1342/1342 1342 ± 0.00004565 5.614 5.317/6.619 5.817 ± 0.8882
ea28 1342 1342/1342 1342 ± 0.00004307 5.843 5.61/6.726 5.984 ± 0.9528
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 ± 0.00002517 5.52 5.263/5.709 5.446 ± 0.3147
5 1342 1342/1342 1342 ± 0.00003051 5.2 5.074/5.483 5.238 ± 0.2506
6 1342 1342/1342 1342 ± 0.00002394 5.482 5.359/5.672 5.463 ± 0.3175
7 1342 1342/1342 1342 ± 0.00002394 5.474 5.232/5.637 5.414 ± 0.3027
8 1342 1342/1342 1342 ± 0.00002394 5.434 5.149/5.627 5.365 ± 0.3349
9 1342 1342/1342 1342 ± 0.00002445 5.609 5.274/5.736 5.497 ± 0.3263
10 1342 1342/1342 1342 ± 0.00002394 6.163 5.873/6.261 6.05 ± 0.371
11 1342 1342/1342 1342 ± 0.00002394 6.354 6.12/6.572 6.308 ± 0.376
12 1342 1342/1342 1342 ± 0.00002394 6.501 6.393/6.72 6.478 ± 0.4013
13 1342 1342/1342 1342 ± 0.00002394 6.927 6.692/7.144 6.879 ± 0.4263
14 1342 1342/1342 1342 ± 0.00002394 7.115 6.835/7.381 7.033 ± 0.4896
15 1342 1342/1342 1342 ± 0.00002812 6.586 6.301/6.884 6.537 ± 0.5297
16 1342 1342/1342 1342 ± 0.0000595 4.239 4.069/4.438 4.254 ± 0.2293
17 1342 1342/1342 1342 ± 0.00006076 4.334 4.195/4.486 4.354 ± 0.2158
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-12-12 09:57:53.374
End
2024-12-12 11:01:26.871
Duration
1:03:33.497
Note, WebLog generation is not included in the time.

CASA logs for stage 8