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

Statwt Summary Plot

VLASS2.1.sb38458451.eb38565931.59072.733167094906_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 4.937 4.91/5.723 5.271 ± 0.5257
ea02 1342 1342/1342 1342 ± 0.00004009 5.289 4.96/6.217 5.554 ± 0.6827
ea05 1342 1342/1342 1342 ± 0.000006002 5.2 4.98/6.109 5.477 ± 0.6361
ea06 1342 1342/1342 1342 ± 0.00001206 4.829 4.547/5.332 4.977 ± 0.4909
ea07 1342 1342/1342 1342 ± 0.00002121 5.404 4.978/5.686 5.397 ± 0.5085
ea08 1342 1342/1342 1342 ± 0.00004218 5.368 5.154/6.407 5.763 ± 0.7256
ea09 1342 1342/1342 1342 ± 0.00002372 4.83 4.621/5.759 5.077 ± 0.5692
ea10 1342 1342/1342 1342 ± 0.00003667 5.048 4.865/6.22 5.471 ± 0.6661
ea11 1342 1342/1342 1342 ± 0.00002304 5.423 4.927/6.172 5.552 ± 0.6899
ea12 1342 1342/1342 1342 ± 0.00001518 5.211 4.926/6.144 5.465 ± 0.6882
ea13 1342 1342/1342 1342 ± 0.000006205 5.517 5.291/6.075 5.722 ± 0.5368
ea14 1342 1342/1342 1342 ± 0.000007219 5.46 5.121/6.253 5.661 ± 0.6235
ea15 1342 1342/1342 1342 ± 0.000002787 5.158 4.91/5.893 5.412 ± 0.6238
ea16 1342 1342/1342 1342 ± 0 5.014 4.935/5.165 5.009 ± 0.1905
ea17 1342 1342/1342 1342 ± 0.00004211 5.399 5.129/6.523 5.678 ± 0.6703
ea18 1342 1342/1342 1342 ± 0.00001516 4.735 4.452/5.471 4.879 ± 0.5411
ea19 1342 1342/1342 1342 ± 0.000002495 5.366 5.09/6.284 5.634 ± 0.6213
ea20 1342 1342/1342 1342 ± 0.00001763 5.599 5.238/6.489 5.768 ± 0.7517
ea21 1342 1342/1342 1342 ± 0.00001138 5.103 5.036/6.017 5.471 ± 0.577
ea22 1342 1342/1342 1342 ± 0.00003322 5.194 4.932/6.212 5.486 ± 0.684
ea23 1342 1342/1342 1342 ± 0.00001739 5.3 5.179/6.281 5.701 ± 0.6756
ea25 1342 1342/1342 1342 ± 0.000001643 4.979 4.822/5.113 5.004 ± 0.1836
ea26 1342 1342/1342 1342 ± 0.00001371 5.253 4.983/6.232 5.533 ± 0.6411
ea27 1342 1342/1342 1342 ± 0.00004306 5.195 4.902/6.145 5.438 ± 0.5999
ea28 1342 1342/1342 1342 ± 0.00004202 5.268 5.027/6.178 5.526 ± 0.6641
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 ± 0.00002396 5.137 4.929/5.317 5.144 ± 0.2377
4 1342 1342/1342 1342 ± 0.0000251 4.852 4.677/4.983 4.804 ± 0.2592
5 1342 1342/1342 1342 ± 0.00002396 4.958 4.902/5.079 4.988 ± 0.2412
6 1342 1342/1342 1342 ± 0.00002396 4.981 4.922/5.078 4.984 ± 0.2104
7 1342 1342/1342 1342 ± 0.00002396 5.026 4.913/5.12 5.017 ± 0.1933
8 1342 1342/1342 1342 ± 0.00002396 5.061 4.842/5.15 5.018 ± 0.2311
9 1342 1342/1342 1342 ± 0.00002396 5.307 5.205/5.521 5.293 ± 0.2681
10 1342 1342/1342 1342 ± 0.00002494 5.707 5.495/5.843 5.676 ± 0.277
11 1342 1342/1342 1342 ± 0.00002494 6.034 5.856/6.098 5.932 ± 0.2958
12 1342 1342/1342 1342 ± 0.00002494 6.183 5.9/6.253 6.101 ± 0.2949
13 1342 1342/1342 1342 ± 0.00002506 6.437 6.244/6.653 6.435 ± 0.3106
14 1342 1342/1342 1342 ± 0.0000271 6.6 6.356/6.737 6.519 ± 0.3227
15 1342 1342/1342 1342 ± 0.00002494 6.383 6.168/6.54 6.313 ± 0.3576
16 1342 1342/1342 1342 ± 0.0000595 4.897 4.67/5.072 4.852 ± 0.3014
17 1342 1342/1342 1342 ± 0.00005935 4.852 4.686/5.119 4.876 ± 0.3129
vis
VLASS2.1.sb38458451.eb38565931.59072.733167094906_split_split.ms
overwrite_modelcol
False
output_dir
 
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-07 17:17:40.046
End
2024-11-07 18:22:48.818
Duration
1:05:08.772
Note, WebLog generation is not included in the time.

CASA logs for stage 8