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

Statwt Summary Plot

VLASS2.1.sb38610195.eb38638028.59101.102248043986_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 5.739 5.41/6.233 5.87 ± 0.6325
ea02 1342 1342/1342 1342 ± 0 5.955 5.545/6.632 6.154 ± 0.7338
ea04 1342 1342/1342 1342 ± 0.000005095 5.675 5.142/6.267 5.778 ± 0.6261
ea05 1342 1342/1342 1342 ± 0 6.019 5.349/6.551 5.913 ± 0.6591
ea06 1342 1342/1342 1342 ± 0 4.959 4.752/5.321 5.028 ± 0.3669
ea07 1342 1342/1342 1342 ± 0 6.281 5.65/6.451 6.217 ± 0.6262
ea08 1342 1342/1342 1342 ± 0 5.947 5.69/6.826 6.259 ± 0.7302
ea09 1342 1342/1342 1342 ± 0 5.862 5.318/6.465 5.965 ± 0.6906
ea10 1342 1342/1342 1342 ± 0 6.243 5.423/6.729 6.109 ± 0.7087
ea11 1342 1342/1342 1342 ± 0 6.067 5.332/6.596 6.062 ± 0.7174
ea12 1342 1342/1342 1342 ± 0 6.048 5.492/6.625 6.161 ± 0.7208
ea13 1342 1342/1342 1342 ± 0 6.497 5.962/6.686 6.411 ± 0.5578
ea14 1342 1342/1342 1342 ± 0 6.134 5.392/6.635 6.078 ± 0.7366
ea15 1342 1342/1342 1342 ± 0 5.873 5.198/6.442 5.932 ± 0.7396
ea16 1342 1342/1342 1342 ± 0 6.368 5.818/7.026 6.506 ± 0.7862
ea17 1342 1342/1342 1342 ± 0.000001804 6.072 5.702/6.683 6.267 ± 0.7074
ea18 1342 1342/1342 1342 ± 0 5.208 4.772/5.659 5.275 ± 0.5614
ea19 1342 1342/1342 1342 ± 0 6.398 5.724/6.982 6.438 ± 0.7329
ea20 1342 1342/1342 1342 ± 0 6.469 5.845/7.081 6.441 ± 0.6861
ea21 1342 1342/1342 1342 ± 0 5.994 5.499/6.443 6.029 ± 0.6033
ea22 1342 1342/1342 1342 ± 0 5.52 5.309/6.348 5.842 ± 0.6835
ea23 1342 1342/1342 1342 ± 0 6.321 5.606/6.768 6.308 ± 0.745
ea25 1342 1342/1342 1342 ± 0 5.575 5.3/6.311 5.824 ± 0.6172
ea26 1342 1342/1342 1342 ± 0 6.438 5.782/7.152 6.439 ± 0.7105
ea27 1342 1342/1342 1342 ± 0.00002083 5.811 5.406/6.568 5.914 ± 0.6475
ea28 1342 1342/1342 1342 ± 0.00002823 5.814 5.498/6.574 6.055 ± 0.7091
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 ± 0.00002356 5.473 5.317/5.764 5.499 ± 0.2804
3 1342 1342/1342 1342 ± 0.00003842 5.14 5.051/5.233 5.131 ± 0.192
4 1342 1342/1342 1342 ± 0.00002397 5.461 5.148/5.6 5.376 ± 0.346
5 1342 1342/1342 1342 ± 0.00002356 5.455 5.253/5.65 5.457 ± 0.348
6 1342 1342/1342 1342 ± 0.00002356 5.399 5.196/5.549 5.381 ± 0.2998
7 1342 1342/1342 1342 ± 0.00002356 5.486 5.311/5.647 5.465 ± 0.2841
8 1342 1342/1342 1342 ± 0.00002356 5.5 5.176/5.646 5.428 ± 0.3136
9 1342 1342/1342 1342 ± 0.00002356 5.731 5.516/6.006 5.716 ± 0.3453
10 1342 1342/1342 1342 ± 0.00002356 6.184 6.023/6.399 6.154 ± 0.335
11 1342 1342/1342 1342 ± 0.00002356 6.485 6.282/6.563 6.388 ± 0.3468
12 1342 1342/1342 1342 ± 0.00002377 6.577 6.328/6.777 6.505 ± 0.4899
13 1342 1342/1342 1342 ± 0.00002356 7.111 6.943/7.289 7.073 ± 0.4211
14 1342 1342/1342 1342 ± 0.00002356 7.397 7.08/7.611 7.312 ± 0.4658
15 1342 1342/1342 1342 ± 0.00002356 7.004 6.797/7.247 6.927 ± 0.4788
16 1342 1342/1342 1342 ± 0.00002916 6.244 5.939/6.567 6.226 ± 0.4356
17 1342 1342/1342 1342 ± 0.00003114 6.261 5.99/6.48 6.207 ± 0.4187
statwtmode
VLASS-SE
overwrite_modelcol
False
vis
VLASS2.1.sb38610195.eb38638028.59101.102248043986_split_split.ms
output_dir
 
datacolumn
residual_data
Start time
2025-01-08 08:05:16.000
End
2025-01-08 08:49:58.998
Duration
0:44:42.998
Note, WebLog generation is not included in the time.

CASA logs for stage 8