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

Statwt Summary Plot

VLASS2.2.sb40507148.eb40987311.59548.184427245375_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 6.418 5.777/6.818 6.313 ± 0.7078
ea03 1342 1342/1342 1342 ± 0.00002414 5.754 5.273/6.602 5.89 ± 0.7808
ea04 1342 1342/1342 1342 ± 0 5.643 5.257/6.218 5.795 ± 0.6372
ea05 1342 1342/1342 1342 ± 0 5.906 5.695/6.905 6.212 ± 0.774
ea06 1342 1342/1342 1342 ± 0 6.421 5.539/6.553 6.148 ± 0.6363
ea07 1342 1342/1342 1342 ± 0 6.082 5.381/6.228 5.957 ± 0.6347
ea08 1342 1342/1342 1342 ± 0.000009806 6.43 5.581/6.876 6.325 ± 0.7301
ea09 1342 1342/1342 1342 ± 0 5.992 5.464/6.765 6.174 ± 0.7638
ea10 1342 1342/1342 1342 ± 0 6.009 5.699/6.959 6.221 ± 0.6988
ea11 1342 1342/1342 1342 ± 0 6.457 5.451/6.846 6.244 ± 0.8418
ea12 1342 1342/1342 1342 ± 0 6.442 5.696/6.797 6.408 ± 0.7435
ea13 1342 1342/1342 1342 ± 0 5.892 5.829/6.439 6.09 ± 0.5218
ea14 1342 1342/1342 1342 ± 0 6.067 5.696/6.876 6.314 ± 0.6935
ea15 1342 1342/1342 1342 ± 0 5.307 4.706/5.546 5.216 ± 0.5522
ea16 1342 1342/1342 1342 ± 0 6.19 5.691/6.716 6.304 ± 0.7816
ea17 1342 1342/1342 1342 ± 0 6.489 5.891/7.495 6.681 ± 0.7948
ea18 1342 1342/1342 1342 ± 0 5.147 4.769/5.674 5.241 ± 0.5203
ea19 1342 1342/1342 1342 ± 0 6.27 6.005/7.235 6.53 ± 0.7465
ea20 1342 1342/1342 1342 ± 0 5.919 5.739/6.916 6.179 ± 0.7149
ea21 1342 1342/1342 1342 ± 0 5.677 5.421/6.576 5.949 ± 0.6419
ea22 1342 1342/1342 1342 ± 0 6.275 5.416/6.606 6.067 ± 0.711
ea23 1342 1342/1342 1342 ± 0 6.156 5.771/6.841 6.361 ± 0.7634
ea24 1342 1342/1342 1342 ± 0 6.141 5.27/6.524 5.927 ± 0.628
ea25 1342 1342/1342 1342 ± 0 6.24 5.688/6.714 6.332 ± 0.7641
ea26 1342 1342/1342 1342 ± 0 6.321 5.794/7.072 6.491 ± 0.8093
ea27 1342 1342/1342 1342 ± 0 5.961 5.591/7.068 6.223 ± 0.7579
ea28 1342 1342/1342 1342 ± 0 6.139 5.708/6.937 6.34 ± 0.7615
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 ± 0.00002306 5.623 5.374/5.815 5.596 ± 0.3186
3 1342 1342/1342 1342 ± 0.00002348 5.34 5.149/5.451 5.29 ± 0.3124
4 1342 1342/1342 1342 ± 0.0000328 5.25 4.985/5.447 5.241 ± 0.3269
5 1342 1342/1342 1342 ± 0.00002306 5.658 5.308/5.744 5.511 ± 0.3611
6 1342 1342/1342 1342 ± 0.00002306 5.571 5.296/5.708 5.494 ± 0.2995
7 1342 1342/1342 1342 ± 0.00002306 5.659 5.416/5.77 5.563 ± 0.3131
8 1342 1342/1342 1342 ± 0.00002306 5.556 5.327/5.775 5.527 ± 0.3546
9 1342 1342/1342 1342 ± 0.00002306 5.961 5.656/6.136 5.849 ± 0.3562
10 1342 1342/1342 1342 ± 0.00002306 6.456 6.176/6.516 6.327 ± 0.3714
11 1342 1342/1342 1342 ± 0.00002306 6.644 6.46/6.864 6.572 ± 0.3898
12 1342 1342/1342 1342 ± 0.00002306 6.807 6.553/6.959 6.727 ± 0.4403
13 1342 1342/1342 1342 ± 0.00002306 7.282 6.958/7.608 7.227 ± 0.4632
14 1342 1342/1342 1342 ± 0.00002306 7.566 7.233/7.761 7.441 ± 0.4606
15 1342 1342/1342 1342 ± 0.00002306 7.122 6.794/7.317 7.013 ± 0.4365
16 1342 1342/1342 1342 ± 0.00002509 6.277 5.907/6.487 6.268 ± 0.4166
17 1342 1342/1342 1342 ± 0.00002389 6.209 5.935/6.545 6.203 ± 0.4304
vis
VLASS2.2.sb40507148.eb40987311.59548.184427245375_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-06-08 02:45:56.452
End
2025-06-08 03:52:15.080
Duration
1:06:18.628
Note, WebLog generation is not included in the time.

CASA logs for stage 8