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

Statwt Summary Plot

VLASS2.1.sb38523814.eb38632964.59098.28982543982_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 5.633 5.397/6.161 5.824 ± 0.566
ea02 1342 1342/1342 1342 ± 0.000004607 5.772 5.383/6.476 5.972 ± 0.667
ea04 1342 1342/1342 1342 ± 0.000004601 5.195 4.836/5.896 5.4 ± 0.6329
ea05 1342 1342/1342 1342 ± 0 5.519 4.959/6.06 5.592 ± 0.6833
ea06 1342 1342/1342 1342 ± 0 4.599 4.32/5.099 4.714 ± 0.4272
ea07 1342 1342/1342 1342 ± 0 6.057 5.467/6.356 6.057 ± 0.649
ea08 1342 1342/1342 1342 ± 0.000009695 5.786 5.527/6.738 6.134 ± 0.7239
ea09 1342 1342/1342 1342 ± 0 5.387 4.943/6.345 5.569 ± 0.7104
ea10 1342 1342/1342 1342 ± 0 5.981 5.27/6.77 6.008 ± 0.7564
ea11 1342 1342/1342 1342 ± 0 5.908 5.211/6.438 5.909 ± 0.7094
ea12 1342 1342/1342 1342 ± 0 5.571 5.164/6.275 5.782 ± 0.675
ea13 1342 1342/1342 1342 ± 0 5.684 5.308/6.165 5.801 ± 0.6036
ea14 1342 1342/1342 1342 ± 0 5.947 5.172/6.333 5.84 ± 0.6715
ea15 1342 1342/1342 1342 ± 0 5.297 4.706/6.02 5.427 ± 0.7662
ea16 1342 1342/1342 1342 ± 0 6.078 5.442/6.684 6.165 ± 0.7684
ea17 1342 1342/1342 1342 ± 0.000002372 6.097 5.482/7.004 6.195 ± 0.7485
ea18 1342 1342/1342 1342 ± 0 5.002 4.674/5.609 5.162 ± 0.5429
ea19 1342 1342/1342 1342 ± 0 5.595 5.276/6.607 6.006 ± 0.7471
ea20 1342 1342/1342 1342 ± 0 5.984 5.512/6.648 6.126 ± 0.6939
ea21 1342 1342/1342 1342 ± 0 5.536 5.116/6.132 5.673 ± 0.632
ea22 1342 1342/1342 1342 ± 0 5.42 5.018/6.23 5.595 ± 0.6626
ea23 1342 1342/1342 1342 ± 0 6.157 5.468/6.662 6.151 ± 0.732
ea25 1342 1342/1342 1342 ± 0 5.684 5.233/6.228 5.796 ± 0.6528
ea26 1342 1342/1342 1342 ± 0 5.784 5.246/6.757 5.915 ± 0.7475
ea27 1342 1342/1342 1342 ± 0.00001887 5.638 5.307/6.536 5.875 ± 0.6642
ea28 1342 1342/1342 1342 ± 0.00001671 5.773 5.519/6.647 6.053 ± 0.6975
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 ± 0.00002352 5.203 5/5.402 5.191 ± 0.3027
3 1342 1342/1342 1342 ± 0.00002508 5.17 5.046/5.293 5.136 ± 0.2769
4 1342 1342/1342 1342 ± 0.00002485 5.14 4.753/5.333 5.061 ± 0.3366
5 1342 1342/1342 1342 ± 0.00002352 5.177 4.975/5.496 5.2 ± 0.371
6 1342 1342/1342 1342 ± 0.00002352 5.226 4.957/5.399 5.151 ± 0.3267
7 1342 1342/1342 1342 ± 0.00002352 5.271 5.103/5.435 5.198 ± 0.2982
8 1342 1342/1342 1342 ± 0.00002352 5.273 4.976/5.421 5.185 ± 0.3313
9 1342 1342/1342 1342 ± 0.00002352 5.579 5.282/5.832 5.509 ± 0.4066
10 1342 1342/1342 1342 ± 0.00002352 6.078 5.803/6.267 5.994 ± 0.3804
11 1342 1342/1342 1342 ± 0.00002372 6.259 6.085/6.494 6.222 ± 0.3842
12 1342 1342/1342 1342 ± 0.00002352 6.428 6.239/6.688 6.402 ± 0.4054
13 1342 1342/1342 1342 ± 0.00002352 6.967 6.643/7.141 6.867 ± 0.434
14 1342 1342/1342 1342 ± 0.00002352 7.106 6.828/7.398 7.055 ± 0.478
15 1342 1342/1342 1342 ± 0.00002352 6.704 6.448/6.934 6.617 ± 0.4434
16 1342 1342/1342 1342 ± 0.00002805 5.91 5.703/6.162 5.915 ± 0.365
17 1342 1342/1342 1342 ± 0.00002708 5.936 5.679/6.144 5.89 ± 0.366
datacolumn
residual_data
statwtmode
VLASS-SE
output_dir
 
vis
VLASS2.1.sb38523814.eb38632964.59098.28982543982_split_split.ms
overwrite_modelcol
False
Start time
2025-01-07 05:56:45.257
End
2025-01-07 07:01:14.063
Duration
1:04:28.806
Note, WebLog generation is not included in the time.

CASA logs for stage 8