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

Statwt Summary Plot

VLASS2.1.sb38501480.eb38632936.59097.386918425924_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 5.459 5.13/6.205 5.59 ± 0.7975
ea02 1342 1342/1342 1342 ± 0.00004913 5.829 5.211/6.68 5.874 ± 0.9274
ea04 1342 1342/1342 1342 ± 0.00002157 5.582 4.964/6.154 5.5 ± 0.8048
ea05 1342 1342/1342 1342 ± 0.00002557 5.98 5.106/6.407 5.779 ± 0.8603
ea06 1342 1342/1342 1342 ± 0.00003122 5.067 4.447/5.322 4.86 ± 0.578
ea07 1342 1342/1342 1342 ± 0.00004198 5.94 5.335/6.418 5.872 ± 0.9376
ea08 1342 1342/1342 1342 ± 0.00004395 5.842 5.424/6.858 6.055 ± 1.045
ea09 1342 1342/1342 1342 ± 0.00002759 5.768 5.102/6.573 5.747 ± 0.8838
ea10 1342 1342/1342 1342 ± 0.00003707 5.876 5.254/6.843 5.95 ± 0.9117
ea11 1342 1342/1342 1342 ± 0.00004272 5.525 5.125/6.614 5.81 ± 1.017
ea12 1342 1342/1342 1342 ± 0.00003875 6.025 5.272/6.624 5.828 ± 0.9785
ea13 1342 1342/1342 1342 ± 0.00001415 6.156 5.551/6.434 5.986 ± 0.7898
ea14 1342 1342/1342 1342 ± 0.00003894 5.677 5.296/6.563 5.835 ± 0.9241
ea15 1342 1342/1342 1342 ± 0.00001663 5.304 5.009/6.279 5.572 ± 0.9079
ea16 1342 1342/1342 1342 ± 0.0000335 6.014 5.584/6.986 6.144 ± 1.017
ea17 1342 1342/1342 1342 ± 0.00004321 5.753 5.513/7.08 5.992 ± 1.036
ea18 1342 1342/1342 1342 ± 0.00004111 5.165 4.704/5.759 5.148 ± 0.7118
ea19 1342 1342/1342 1342 ± 0.00001583 6.101 5.588/6.836 6.15 ± 0.9172
ea20 1342 1342/1342 1342 ± 0.00004261 6.152 5.512/7.116 6.13 ± 1.075
ea21 1342 1342/1342 1342 ± 0.00003544 5.752 5.382/6.515 5.8 ± 0.8831
ea22 1342 1342/1342 1342 ± 0.00003867 5.165 4.953/6.41 5.583 ± 0.843
ea23 1342 1342/1342 1342 ± 0.00004348 5.841 5.434/6.765 5.963 ± 1.032
ea25 1342 1342/1342 1342 ± 0.00004304 5.525 5.187/6.423 5.659 ± 0.9152
ea26 1342 1342/1342 1342 ± 0.00002647 6.027 5.713/6.913 6.126 ± 0.9463
ea27 1342 1342/1342 1342 ± 0.00004268 5.636 5.322/6.659 5.761 ± 0.9131
ea28 1342 1342/1342 1342 ± 0.00004421 5.78 5.363/6.651 5.864 ± 0.9744
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 ± 0.0000235 5.705 5.463/5.96 5.695 ± 0.3352
5 1342 1342/1342 1342 ± 0.00003445 5.653 5.446/5.715 5.561 ± 0.3056
6 1342 1342/1342 1342 ± 0.0000235 5.261 5.091/5.385 5.228 ± 0.2858
7 1342 1342/1342 1342 ± 0.0000235 5.301 5.126/5.436 5.276 ± 0.2838
8 1342 1342/1342 1342 ± 0.0000235 5.265 5.105/5.448 5.276 ± 0.3091
9 1342 1342/1342 1342 ± 0.0000235 5.548 5.3/5.843 5.522 ± 0.3631
10 1342 1342/1342 1342 ± 0.0000235 6.098 5.937/6.321 6.068 ± 0.3364
11 1342 1342/1342 1342 ± 0.0000235 6.442 6.259/6.544 6.361 ± 0.3521
12 1342 1342/1342 1342 ± 0.0000235 6.619 6.415/6.763 6.557 ± 0.3841
13 1342 1342/1342 1342 ± 0.0000235 7.02 6.843/7.199 6.986 ± 0.4215
14 1342 1342/1342 1342 ± 0.0000235 7.232 6.994/7.423 7.148 ± 0.4715
15 1342 1342/1342 1342 ± 0.00002463 6.766 6.535/7.02 6.712 ± 0.4598
16 1342 1342/1342 1342 ± 0.00005452 4.213 4.076/4.357 4.213 ± 0.197
17 1342 1342/1342 1342 ± 0.00005701 4.251 4.097/4.429 4.264 ± 0.2304
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.1.sb38501480.eb38632936.59097.386918425924_split_split.ms
output_dir
 
statwtmode
VLASS-SE
Start time
2024-11-02 17:22:00.753
End
2024-11-02 18:32:24.814
Duration
1:10:24.060
Note, WebLog generation is not included in the time.

CASA logs for stage 8