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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.693 5.57/6.422 5.982 ± 0.658
ea02 1342 1342/1342 1342 ± 0.0000415 6.184 5.707/6.878 6.337 ± 0.6829
ea03 1342 1342/1342 1342 ± 0 5.771 5.027/6.234 5.68 ± 0.6468
ea04 1342 1342/1342 1342 ± 0 5.877 5.381/6.504 5.935 ± 0.6672
ea05 1342 1342/1342 1342 ± 0 6.147 5.577/6.78 6.114 ± 0.7423
ea06 1342 1342/1342 1342 ± 0 5.123 4.895/5.511 5.143 ± 0.4481
ea07 1342 1342/1342 1342 ± 0 6.193 5.748/6.619 6.294 ± 0.7076
ea08 1342 1342/1342 1342 ± 0 6.232 5.785/7.039 6.424 ± 0.7566
ea09 1342 1342/1342 1342 ± 0 6.048 5.462/6.763 6.095 ± 0.746
ea10 1342 1342/1342 1342 ± 0 6.196 5.598/7.002 6.252 ± 0.7428
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.244 5.604/6.777 6.248 ± 0.7768
ea13 1342 1342/1342 1342 ± 0 6.606 5.999/6.726 6.405 ± 0.6675
ea14 1342 1342/1342 1342 ± 0 6.04 5.504/6.686 6.076 ± 0.7464
ea15 1342 1342/1342 1342 ± 0 6.312 5.712/6.804 6.343 ± 0.779
ea16 1342 1342/1342 1342 ± 0 6.247 5.878/7.026 6.394 ± 0.8075
ea17 1342 1342/1342 1342 ± 0 6.471 6.151/7.505 6.743 ± 0.7016
ea18 1342 1342/1342 1342 ± 0 5.321 4.905/5.793 5.352 ± 0.5717
ea19 1342 1342/1342 1342 ± 0 6.249 5.636/6.83 6.273 ± 0.6327
ea20 1342 1342/1342 1342 ± 0 6.276 5.681/6.915 6.25 ± 0.7528
ea21 1342 1342/1342 1342 ± 0 5.891 5.669/6.708 6.107 ± 0.7004
ea22 1342 1342/1342 1342 ± 0 6.041 5.472/6.482 5.98 ± 0.6332
ea23 1342 1342/1342 1342 ± 0 6.128 5.773/6.9 6.3 ± 0.7721
ea24 1342 1342/1342 1342 ± 0 6.193 5.714/6.905 6.248 ± 0.7234
ea25 1342 1342/1342 1342 ± 0 5.914 5.502/6.594 6.016 ± 0.6652
ea26 1342 1342/1342 1342 ± 0 6.668 5.977/7.323 6.62 ± 0.7967
ea27 1342 1342/1342 1342 ± 0 5.847 5.652/6.84 6.112 ± 0.6913
ea28 1342 1342/1342 1342 ± 0 5.778 5.496/6.554 5.986 ± 0.6907
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 ± 0.00002309 5.649 5.386/5.776 5.565 ± 0.3084
4 1342 1342/1342 1342 ± 0.00002494 4.808 4.621/4.963 4.775 ± 0.2576
5 1342 1342/1342 1342 ± 0.00002309 5.647 5.459/5.885 5.648 ± 0.3706
6 1342 1342/1342 1342 ± 0.00002309 5.594 5.388/5.763 5.555 ± 0.3255
7 1342 1342/1342 1342 ± 0.00002309 5.632 5.502/5.739 5.599 ± 0.301
8 1342 1342/1342 1342 ± 0.00002309 5.536 5.431/5.723 5.532 ± 0.3336
9 1342 1342/1342 1342 ± 0.00002309 5.857 5.603/6.16 5.823 ± 0.3695
10 1342 1342/1342 1342 ± 0.00002309 6.333 6.159/6.57 6.305 ± 0.3555
11 1342 1342/1342 1342 ± 0.00002309 6.622 6.385/6.778 6.539 ± 0.3703
12 1342 1342/1342 1342 ± 0.00002309 6.745 6.559/6.901 6.703 ± 0.4081
13 1342 1342/1342 1342 ± 0.00002309 7.227 7.113/7.36 7.155 ± 0.4347
14 1342 1342/1342 1342 ± 0.00002309 7.374 7.232/7.682 7.353 ± 0.4759
15 1342 1342/1342 1342 ± 0.00002309 6.937 6.777/7.256 6.926 ± 0.466
16 1342 1342/1342 1342 ± 0.00002352 6.147 5.903/6.387 6.164 ± 0.3863
17 1342 1342/1342 1342 ± 0.00002352 6.242 6.073/6.449 6.222 ± 0.3752
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
Start time
2025-01-11 03:42:05.046
End
2025-01-11 04:39:44.831
Duration
0:57:39.786
Note, WebLog generation is not included in the time.

CASA logs for stage 8