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

Statwt Summary Plot

VLASS2.1.sb38452360.eb38575738.59077.463367233795_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 5.678 5.07/5.95 5.488 ± 0.6369
ea02 1342 1342/1342 1342 ± 0.00003874 6.032 5.15/6.528 5.789 ± 0.8729
ea04 1342 1342/1342 1342 ± 0.00003702 5.168 4.819/5.892 5.218 ± 0.7296
ea05 1342 1342/1342 1342 ± 0.00002386 5.32 4.941/6.332 5.546 ± 0.8877
ea06 1342 1342/1342 1342 ± 0.00003726 5.323 4.355/5.525 4.9 ± 0.7302
ea07 1342 1342/1342 1342 ± 0.00002338 5.664 5.123/6.038 5.671 ± 0.6983
ea08 1342 1342/1342 1342 ± 0.00002488 6.493 5.454/6.713 6.125 ± 0.8453
ea09 1342 1342/1342 1342 ± 0.00003608 5.426 4.989/6.249 5.471 ± 0.9047
ea10 1342 1342/1342 1342 ± 0.00002572 5.967 4.899/6.179 5.587 ± 0.731
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00003481 5.388 5.053/6.265 5.545 ± 0.8156
ea13 1342 1342/1342 1342 ± 0.00002768 5.521 5.332/6.102 5.685 ± 0.8484
ea14 1342 1342/1342 1342 ± 0.00003206 5.583 5.167/6.434 5.758 ± 0.9433
ea15 1342 1342/1342 1342 ± 0.0000364 5.323 4.96/6.107 5.453 ± 0.8719
ea16 1342 1342/1342 1342 ± 0.00003067 5.627 5.192/6.439 5.696 ± 0.9785
ea17 1342 1342/1342 1342 ± 0.00002997 5.966 5.435/6.697 5.966 ± 0.8099
ea18 1342 1342/1342 1342 ± 0.00002898 4.995 4.631/5.376 4.939 ± 0.5546
ea19 1342 1342/1342 1342 ± 0.00001615 5.524 5.261/6.596 5.77 ± 0.9465
ea20 1342 1342/1342 1342 ± 0.00003284 6.186 5.507/6.53 5.889 ± 0.8373
ea21 1342 1342/1342 1342 ± 0.00002681 5.384 5.096/6.134 5.55 ± 0.8412
ea22 1342 1342/1342 1342 ± 0.00003657 5.355 5.015/6.358 5.571 ± 0.935
ea23 1342 1342/1342 1342 ± 0.00002605 5.966 5.286/6.747 5.865 ± 0.8894
ea25 1342 1342/1342 1342 ± 0.00002596 5.421 5.02/6.146 5.524 ± 0.6984
ea27 1342 1342/1342 1342 ± 0.00002671 5.36 5.052/6.201 5.535 ± 0.6861
ea28 1342 1342/1342 1342 ± 0.00002745 5.878 5.196/6.565 5.804 ± 0.7917
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 ± 0.00002439 5.203 5.02/5.388 5.165 ± 0.2695
5 1342 1342/1342 1342 ± 0.00004037 5.026 4.818/5.19 4.985 ± 0.2135
6 1342 1342/1342 1342 ± 0.00002439 5.098 4.985/5.274 5.086 ± 0.2719
7 1342 1342/1342 1342 ± 0.00002439 5.112 4.943/5.214 5.076 ± 0.2513
8 1342 1342/1342 1342 ± 0.00002439 5.15 4.937/5.223 5.08 ± 0.2778
9 1342 1342/1342 1342 ± 0.00002478 5.416 5.303/5.63 5.401 ± 0.2965
10 1342 1342/1342 1342 ± 0.00002439 5.875 5.701/5.968 5.828 ± 0.2832
11 1342 1342/1342 1342 ± 0.00002439 6.109 5.998/6.24 6.092 ± 0.2966
12 1342 1342/1342 1342 ± 0.00002439 6.287 6.073/6.428 6.254 ± 0.3061
13 1342 1342/1342 1342 ± 0.00002439 6.561 6.227/6.701 6.462 ± 0.3859
14 1342 1342/1342 1342 ± 0.00002557 6.605 6.151/6.901 6.502 ± 0.5085
15 1342 1342/1342 1342 ± 0.00003034 6.572 6.399/6.804 6.543 ± 0.3923
16 1342 1342/1342 1342 ± 0.00004982 3.595 3.467/3.742 3.605 ± 0.2017
17 1342 1342/1342 1342 ± 0.000049 3.74 3.516/3.992 3.767 ± 0.3878
overwrite_modelcol
False
datacolumn
residual_data
output_dir
 
vis
VLASS2.1.sb38452360.eb38575738.59077.463367233795_split_split.ms
statwtmode
VLASS-SE
Start time
2024-11-02 10:17:00.638
End
2024-11-02 11:20:02.007
Duration
1:03:01.369
Note, WebLog generation is not included in the time.

CASA logs for stage 8