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

Statwt Summary Plot

VLASS2.1.sb38447583.eb38589602.59083.73025677083_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 5.386 5.192/5.961 5.622 ± 0.5538
ea02 1342 1342/1342 1342 ± 0.00005085 5.015 4.704/5.379 5.009 ± 0.4113
ea04 1342 1342/1342 1342 ± 0.00000283 5.147 4.872/5.965 5.338 ± 0.6691
ea05 1342 1342/1342 1342 ± 0 5.145 4.902/6.164 5.438 ± 0.6727
ea06 1342 1342/1342 1342 ± 0.000007064 4.604 4.449/5.316 4.807 ± 0.5692
ea07 1342 1342/1342 1342 ± 0.00001897 5.102 4.706/5.346 5.062 ± 0.5584
ea08 1342 1342/1342 1342 ± 0.00004037 5.474 5.316/6.394 5.838 ± 0.6779
ea09 1342 1342/1342 1342 ± 0.00003925 5.081 4.797/5.75 5.203 ± 0.5909
ea10 1342 1342/1342 1342 ± 0.0000409 4.861 4.569/5.686 5.071 ± 0.5612
ea11 1342 1342/1342 1342 ± 0.00003389 4.864 4.618/5.438 5.01 ± 0.4662
ea12 1342 1342/1342 1342 ± 0.00002929 5.265 5.094/6.202 5.473 ± 0.7323
ea13 1342 1342/1342 1342 ± 0.00001651 5.147 5.017/5.536 5.266 ± 0.3769
ea14 1342 1342/1342 1342 ± 0.000009706 5.221 4.9/6.225 5.542 ± 0.6947
ea15 1342 1342/1342 1342 ± 0 4.935 4.812/5.964 5.357 ± 0.7473
ea16 1342 1342/1342 1342 ± 0.000006679 5.344 5.083/6.354 5.643 ± 0.7647
ea17 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea18 1342 1342/1342 1342 ± 0.00003658 4.641 4.378/5.223 4.707 ± 0.4909
ea19 1342 1342/1342 1342 ± 0.000005052 5.34 5.145/6.331 5.632 ± 0.6896
ea20 1342 1342/1342 1342 ± 0.00002803 5.534 5.22/6.533 5.742 ± 0.7905
ea21 1342 1342/1342 1342 ± 0.000001599 5.089 4.892/5.976 5.374 ± 0.6516
ea22 1342 1342/1342 1342 ± 0.00004082 5.075 4.751/5.903 5.274 ± 0.5998
ea23 1342 1342/1342 1342 ± 0.000001131 5.188 4.929/6.132 5.499 ± 0.7173
ea25 1342 1342/1342 1342 ± 0.00003509 4.907 4.704/5.276 4.995 ± 0.4299
ea26 1342 1342/1342 1342 ± 0.00003695 5.373 5.109/6.22 5.562 ± 0.6735
ea27 1342 1342/1342 1342 ± 0.0000415 4.787 4.545/5.436 4.853 ± 0.568
ea28 1342 1342/1342 1342 ± 0.00003874 4.78 4.651/5.198 4.927 ± 0.3313
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 ± 0.00002507 5.065 4.798/5.198 5.019 ± 0.2667
3 1342 1342/1342 1342 ± 0.00002507 4.873 4.623/5.088 4.846 ± 0.2726
4 1342 1342/1342 1342 ± 0.0000342 4.857 4.609/4.979 4.743 ± 0.3368
5 1342 1342/1342 1342 ± 0.00002507 4.897 4.693/5.074 4.913 ± 0.2585
6 1342 1342/1342 1342 ± 0.00002507 4.881 4.69/5.111 4.88 ± 0.2463
7 1342 1342/1342 1342 ± 0.00002507 4.943 4.698/5.137 4.947 ± 0.2695
8 1342 1342/1342 1342 ± 0.00002507 4.872 4.717/5.175 4.908 ± 0.2748
9 1342 1342/1342 1342 ± 0.00002507 5.152 4.992/5.408 5.153 ± 0.2978
10 1342 1342/1342 1342 ± 0.00002507 5.511 5.275/5.761 5.513 ± 0.3072
11 1342 1342/1342 1342 ± 0.00002507 5.82 5.424/5.995 5.738 ± 0.3683
12 1342 1342/1342 1342 ± 0.00002507 5.949 5.449/6.223 5.861 ± 0.4211
13 1342 1342/1342 1342 ± 0.00002507 6.411 5.765/6.624 6.21 ± 0.4941
14 1342 1342/1342 1342 ± 0.00002507 6.476 5.724/6.733 6.286 ± 0.5272
15 1342 1342/1342 1342 ± 0.00002507 6.092 5.478/6.411 5.97 ± 0.4955
16 1342 1342/1342 1342 ± 0.00006103 4.43 4.241/4.646 4.448 ± 0.3541
17 1342 1342/1342 1342 ± 0.00006026 4.441 4.261/4.657 4.448 ± 0.3477
datacolumn
residual_data
overwrite_modelcol
False
statwtmode
VLASS-SE
vis
VLASS2.1.sb38447583.eb38589602.59083.73025677083_split_split.ms
output_dir
 
Start time
2024-11-16 22:11:24.778
End
2024-11-16 23:07:43.123
Duration
0:56:18.346
Note, WebLog generation is not included in the time.

CASA logs for stage 8