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

Statwt Summary Plot

VLASS2.1.sb38617404.eb38633387.59098.857396747684_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 5.255 5.07/5.655 5.406 ± 0.5241
ea02 1342 1342/1342 1342 ± 0.000001565 5.617 5.25/6.203 5.752 ± 0.6552
ea04 1342 1342/1342 1342 ± 0.000002711 5.129 4.763/5.594 5.217 ± 0.4882
ea05 1342 1342/1342 1342 ± 0 5.622 5.073/6.046 5.521 ± 0.5404
ea06 1342 1342/1342 1342 ± 0 4.953 4.631/5.443 5.064 ± 0.4853
ea07 1342 1342/1342 1342 ± 0.00001406 5.551 5.194/5.882 5.658 ± 0.5291
ea08 1342 1342/1342 1342 ± 0.00001568 5.58 5.247/6.242 5.758 ± 0.6503
ea09 1342 1342/1342 1342 ± 0 5.563 5.059/6.171 5.592 ± 0.5724
ea10 1342 1342/1342 1342 ± 0.00003937 5.532 5.093/6.24 5.638 ± 0.6132
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.612 5.113/6.066 5.65 ± 0.5907
ea13 1342 1342/1342 1342 ± 0 5.958 5.567/6.158 5.963 ± 0.4793
ea14 1342 1342/1342 1342 ± 0 5.496 5.084/6.018 5.604 ± 0.5797
ea15 1342 1342/1342 1342 ± 0 5.324 4.919/5.903 5.485 ± 0.6007
ea16 1342 1342/1342 1342 ± 0 5.93 5.443/6.421 5.979 ± 0.6463
ea17 1342 1342/1342 1342 ± 0.000007822 5.527 5.311/6.141 5.736 ± 0.5892
ea18 1342 1342/1342 1342 ± 0.000007553 4.857 4.491/5.285 4.874 ± 0.485
ea19 1342 1342/1342 1342 ± 0 5.909 5.422/6.432 5.965 ± 0.5737
ea20 1342 1342/1342 1342 ± 0.000001603 6.012 5.429/6.475 5.951 ± 0.585
ea21 1342 1342/1342 1342 ± 0 5.36 5.125/5.888 5.554 ± 0.4693
ea22 1342 1342/1342 1342 ± 0 5.352 5.122/6.094 5.584 ± 0.6132
ea23 1342 1342/1342 1342 ± 0 5.637 5.264/6.238 5.783 ± 0.6028
ea25 1342 1342/1342 1342 ± 0.000007162 5.218 4.987/5.75 5.387 ± 0.5303
ea26 1342 1342/1342 1342 ± 0 5.83 5.529/6.397 5.969 ± 0.6424
ea27 1342 1342/1342 1342 ± 0.00004077 5.208 5.083/6.035 5.447 ± 0.5669
ea28 1342 1342/1342 1342 ± 0.0000376 5.341 5.145/6.175 5.605 ± 0.6014
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 ± 0.00002392 5.178 5.082/5.5 5.24 ± 0.2756
3 1342 1342/1342 1342 ± 0.00002654 4.864 4.711/5.181 4.932 ± 0.3545
4 1342 1342/1342 1342 ± 0.00002646 5.156 4.928/5.347 5.099 ± 0.3004
5 1342 1342/1342 1342 ± 0.00002392 5.15 4.927/5.343 5.152 ± 0.34
6 1342 1342/1342 1342 ± 0.00002392 5.103 4.996/5.324 5.117 ± 0.2872
7 1342 1342/1342 1342 ± 0.00002392 5.113 5.065/5.251 5.129 ± 0.2505
8 1342 1342/1342 1342 ± 0.00002392 5.116 4.871/5.257 5.049 ± 0.2839
9 1342 1342/1342 1342 ± 0.00002392 5.342 5.176/5.577 5.317 ± 0.309
10 1342 1342/1342 1342 ± 0.00002392 5.749 5.614/5.935 5.723 ± 0.2959
11 1342 1342/1342 1342 ± 0.00002392 5.985 5.795/6.107 5.923 ± 0.3001
12 1342 1342/1342 1342 ± 0.00002392 6.103 5.887/6.251 6.08 ± 0.3286
13 1342 1342/1342 1342 ± 0.00002392 6.516 6.391/6.651 6.488 ± 0.3366
14 1342 1342/1342 1342 ± 0.00002392 6.686 6.453/7.008 6.682 ± 0.3624
15 1342 1342/1342 1342 ± 0.00002392 6.477 6.173/6.63 6.374 ± 0.3861
16 1342 1342/1342 1342 ± 0.00004421 5.552 5.321/5.881 5.623 ± 0.3409
17 1342 1342/1342 1342 ± 0.00004533 5.576 5.371/5.947 5.626 ± 0.3279
datacolumn
residual_data
statwtmode
VLASS-SE
vis
VLASS2.1.sb38617404.eb38633387.59098.857396747684_split_split.ms
output_dir
 
overwrite_modelcol
False
Start time
2024-12-31 05:23:05.074
End
2024-12-31 06:25:06.822
Duration
1:02:01.748
Note, WebLog generation is not included in the time.

CASA logs for stage 8