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

Statwt Summary Plot

VLASS2.2.sb40869292.eb40982614.59542.13818863426_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 6.123 5.839/6.603 6.181 ± 0.7305
ea03 1342 1342/1342 1342 ± 0.00001281 5.613 5.269/6.388 5.78 ± 0.7003
ea04 1342 1342/1342 1342 ± 0 5.629 5.276/6.146 5.73 ± 0.5882
ea05 1342 1342/1342 1342 ± 0 5.921 5.671/6.609 6.137 ± 0.6547
ea06 1342 1342/1342 1342 ± 0 6.022 5.636/6.413 6.091 ± 0.527
ea07 1342 1342/1342 1342 ± 0 5.981 5.492/6.197 5.968 ± 0.5229
ea08 1342 1342/1342 1342 ± 0.00001276 6.068 5.673/6.534 6.152 ± 0.6353
ea09 1342 1342/1342 1342 ± 0.000007149 6.023 5.531/6.548 6.087 ± 0.7007
ea10 1342 1342/1342 1342 ± 0 6.007 5.615/6.643 6.097 ± 0.5758
ea11 1342 1342/1342 1342 ± 0.00001332 6.128 5.47/6.597 6.113 ± 0.6938
ea12 1342 1342/1342 1342 ± 0 6.06 5.699/6.693 6.226 ± 0.7595
ea13 1342 1342/1342 1342 ± 0 6.006 5.772/6.391 6.134 ± 0.4848
ea14 1342 1342/1342 1342 ± 0 6.088 5.626/6.568 6.162 ± 0.6461
ea15 1342 1342/1342 1342 ± 0 5.533 5.174/5.944 5.598 ± 0.5724
ea16 1342 1342/1342 1342 ± 0 6.199 5.855/6.736 6.312 ± 0.6863
ea17 1342 1342/1342 1342 ± 0 6.58 6.221/7.305 6.761 ± 0.6403
ea18 1342 1342/1342 1342 ± 0 5.122 4.89/5.606 5.275 ± 0.4713
ea19 1342 1342/1342 1342 ± 0 6.371 5.946/6.892 6.468 ± 0.6577
ea20 1342 1342/1342 1342 ± 0 5.913 5.6/6.449 6.029 ± 0.6238
ea21 1342 1342/1342 1342 ± 0 5.732 5.569/6.319 5.953 ± 0.5273
ea22 1342 1342/1342 1342 ± 0.000001643 5.903 5.521/6.429 6.002 ± 0.6159
ea23 1342 1342/1342 1342 ± 0.000001162 6.254 5.87/6.612 6.33 ± 0.673
ea24 1342 1342/1342 1342 ± 0.00002204 6.082 5.392/6.528 5.858 ± 0.7922
ea25 1342 1342/1342 1342 ± 0 6.294 5.747/6.918 6.365 ± 0.7885
ea26 1342 1342/1342 1342 ± 0.000005904 6.401 5.949/7.055 6.465 ± 0.7141
ea27 1342 1342/1342 1342 ± 0 5.888 5.553/6.65 6.061 ± 0.6341
ea28 1342 1342/1342 1342 ± 0 5.963 5.698/6.681 6.193 ± 0.6461
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 5.73 5.481/5.939 5.727 ± 0.2784
3 1342 1342/1342 1342 ± 0.00003375 5.131 4.901/5.259 5.054 ± 0.497
4 1342 1342/1342 1342 ± 0.00002305 5.527 5.27/5.782 5.535 ± 0.3815
5 1342 1342/1342 1342 ± 0.00002305 5.695 5.426/5.881 5.666 ± 0.3273
6 1342 1342/1342 1342 ± 0.00002305 5.618 5.452/5.796 5.588 ± 0.2609
7 1342 1342/1342 1342 ± 0.00002305 5.631 5.415/5.807 5.616 ± 0.27
8 1342 1342/1342 1342 ± 0.00002305 5.53 5.304/5.708 5.526 ± 0.3107
9 1342 1342/1342 1342 ± 0.00002305 5.831 5.666/6.017 5.795 ± 0.303
10 1342 1342/1342 1342 ± 0.00002305 6.257 6.11/6.414 6.192 ± 0.3111
11 1342 1342/1342 1342 ± 0.00002305 6.44 6.317/6.611 6.414 ± 0.2983
12 1342 1342/1342 1342 ± 0.00002305 6.61 6.375/6.718 6.559 ± 0.3623
13 1342 1342/1342 1342 ± 0.00002305 7.03 6.822/7.348 7.056 ± 0.3857
14 1342 1342/1342 1342 ± 0.00002305 7.286 7.088/7.553 7.276 ± 0.3889
15 1342 1342/1342 1342 ± 0.00002305 6.895 6.735/7.245 6.948 ± 0.3602
16 1342 1342/1342 1342 ± 0.00002305 6.221 6.035/6.566 6.279 ± 0.387
17 1342 1342/1342 1342 ± 0.00002305 6.239 5.935/6.49 6.224 ± 0.372
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.2.sb40869292.eb40982614.59542.13818863426_split_split.ms
Start time
2025-04-23 05:18:32.888
End
2025-04-23 06:24:41.688
Duration
1:06:08.800
Note, WebLog generation is not included in the time.

CASA logs for stage 8