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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.465 5.825/6.811 6.362 ± 0.7097
ea03 1342 1342/1342 1342 ± 0.00002554 5.78 5.304/6.658 5.935 ± 0.7844
ea04 1342 1342/1342 1342 ± 0 5.732 5.317/6.246 5.851 ± 0.6339
ea05 1342 1342/1342 1342 ± 0 5.973 5.748/6.973 6.263 ± 0.771
ea06 1342 1342/1342 1342 ± 0 6.468 5.583/6.579 6.195 ± 0.6372
ea07 1342 1342/1342 1342 ± 0 6.127 5.442/6.289 6.027 ± 0.6304
ea08 1342 1342/1342 1342 ± 0.00001354 6.446 5.64/6.912 6.366 ± 0.7269
ea09 1342 1342/1342 1342 ± 0 6.023 5.525/6.773 6.211 ± 0.7635
ea10 1342 1342/1342 1342 ± 0 6.158 5.74/6.984 6.283 ± 0.6901
ea11 1342 1342/1342 1342 ± 0 6.492 5.49/6.894 6.292 ± 0.8335
ea12 1342 1342/1342 1342 ± 0 6.496 5.746/6.845 6.463 ± 0.7383
ea13 1342 1342/1342 1342 ± 0.000003196 5.949 5.861/6.478 6.131 ± 0.5235
ea14 1342 1342/1342 1342 ± 0 6.129 5.751/6.914 6.384 ± 0.6849
ea15 1342 1342/1342 1342 ± 0 5.322 4.736/5.593 5.245 ± 0.5576
ea16 1342 1342/1342 1342 ± 0 6.252 5.752/6.822 6.378 ± 0.7851
ea17 1342 1342/1342 1342 ± 0 6.538 5.949/7.561 6.737 ± 0.7991
ea18 1342 1342/1342 1342 ± 0 5.175 4.803/5.686 5.273 ± 0.5126
ea19 1342 1342/1342 1342 ± 0 6.406 6.062/7.278 6.607 ± 0.7425
ea20 1342 1342/1342 1342 ± 0 5.947 5.788/6.943 6.217 ± 0.7221
ea21 1342 1342/1342 1342 ± 0 5.855 5.524/6.619 6.021 ± 0.6253
ea22 1342 1342/1342 1342 ± 0 6.309 5.466/6.648 6.104 ± 0.707
ea23 1342 1342/1342 1342 ± 0 6.15 5.814/6.895 6.394 ± 0.7705
ea24 1342 1342/1342 1342 ± 0 6.167 5.29/6.567 5.948 ± 0.6288
ea25 1342 1342/1342 1342 ± 0 6.347 5.753/6.768 6.406 ± 0.7636
ea26 1342 1342/1342 1342 ± 0 6.346 5.858/7.093 6.526 ± 0.7999
ea27 1342 1342/1342 1342 ± 0 6.016 5.645/7.112 6.289 ± 0.7586
ea28 1342 1342/1342 1342 ± 0 6.147 5.761/6.986 6.376 ± 0.7653
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 ± 0.00002305 5.675 5.41/5.879 5.649 ± 0.3354
3 1342 1342/1342 1342 ± 0.00002348 5.385 5.213/5.52 5.341 ± 0.309
4 1342 1342/1342 1342 ± 0.00003278 5.321 5.035/5.518 5.309 ± 0.3223
5 1342 1342/1342 1342 ± 0.00002305 5.723 5.351/5.81 5.568 ± 0.3709
6 1342 1342/1342 1342 ± 0.00002305 5.638 5.351/5.764 5.549 ± 0.304
7 1342 1342/1342 1342 ± 0.00002305 5.706 5.466/5.812 5.611 ± 0.3182
8 1342 1342/1342 1342 ± 0.00002305 5.589 5.364/5.831 5.571 ± 0.3619
9 1342 1342/1342 1342 ± 0.00002305 6.015 5.69/6.175 5.893 ± 0.3635
10 1342 1342/1342 1342 ± 0.00002305 6.5 6.233/6.584 6.371 ± 0.3799
11 1342 1342/1342 1342 ± 0.00002305 6.703 6.496/6.89 6.614 ± 0.3945
12 1342 1342/1342 1342 ± 0.00002305 6.863 6.573/6.984 6.767 ± 0.4454
13 1342 1342/1342 1342 ± 0.00002305 7.345 7.002/7.67 7.279 ± 0.4689
14 1342 1342/1342 1342 ± 0.00002305 7.634 7.273/7.825 7.494 ± 0.4662
15 1342 1342/1342 1342 ± 0.00002305 7.154 6.853/7.388 7.068 ± 0.4415
16 1342 1342/1342 1342 ± 0.00002648 6.4 5.975/6.568 6.321 ± 0.4093
17 1342 1342/1342 1342 ± 0.00002453 6.26 5.973/6.555 6.254 ± 0.4198
output_dir
 
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-06-07 18:10:42.422
End
2025-06-07 19:31:34.159
Duration
1:20:51.737
Note, WebLog generation is not included in the time.

CASA logs for stage 8