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

Statwt Summary Plot

VLASS2.1.sb38499285.eb38509861.59047.50492306713_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 5.213 5.005/6.003 5.41 ± 0.7921
ea02 1342 1342/1342 1342 ± 0.00004692 5.704 5.158/6.418 5.66 ± 0.8495
ea04 1342 1342/1342 1342 ± 0.00002627 5.235 4.836/5.879 5.241 ± 0.7269
ea05 1342 1342/1342 1342 ± 0.00002606 5.454 5.071/6.492 5.66 ± 0.8227
ea06 1342 1342/1342 1342 ± 0.00003623 5.278 4.805/6.013 5.344 ± 0.7832
ea07 1342 1342/1342 1342 ± 0.00004259 5.691 5.154/6.064 5.553 ± 0.8043
ea08 1342 1342/1342 1342 ± 0.00004333 5.853 5.364/6.677 5.865 ± 0.9736
ea09 1342 1342/1342 1342 ± 0.00002137 5.41 5.027/6.246 5.467 ± 0.7716
ea10 1342 1342/1342 1342 ± 0.00004427 5.153 4.709/5.87 5.136 ± 0.7627
ea11 1342 1342/1342 1342 ± 0.00004237 5.788 5.25/6.385 5.698 ± 0.8767
ea12 1342 1342/1342 1342 ± 0.00003987 5.455 5.149/6.274 5.575 ± 0.8629
ea13 1342 1342/1342 1342 ± 0.000008124 5.556 5.443/6.132 5.723 ± 0.6845
ea14 1342 1342/1342 1342 ± 0.00004161 5.558 5.122/6.434 5.705 ± 0.8812
ea15 1342 1342/1342 1342 ± 0.00001856 5.414 5.155/6.247 5.55 ± 0.8963
ea16 1342 1342/1342 1342 ± 0.00003948 5.755 5.367/6.65 5.874 ± 0.9371
ea17 1342 1342/1342 1342 ± 0.00004334 5.835 5.272/6.877 5.853 ± 0.9594
ea18 1342 1342/1342 1342 ± 0.00004329 4.829 4.674/5.634 5.002 ± 0.6457
ea19 1342 1342/1342 1342 ± 0.0000126 5.717 5.459/6.674 5.873 ± 0.8657
ea20 1342 1342/1342 1342 ± 0.00004259 5.809 5.466/6.849 5.969 ± 0.9575
ea21 1342 1342/1342 1342 ± 0.00003893 5.478 5.176/6.237 5.571 ± 0.7912
ea22 1342 1342/1342 1342 ± 0.00003372 5.311 4.948/6.324 5.543 ± 0.8358
ea23 1342 1342/1342 1342 ± 0.00005284 6.247 5.888/6.852 5.885 ± 1.147
ea24 1342 1342/1342 1342 ± 0.00001089 5.135 4.724/5.949 5.266 ± 0.7019
ea25 1342 1342/1342 1342 ± 0.00004267 5.524 5.158/6.23 5.544 ± 0.8287
ea26 1342 1342/1342 1342 ± 0.00002162 5.631 5.429/6.72 5.871 ± 0.8799
ea27 1342 1342/1342 1342 ± 0.00004282 5.473 5.092/6.399 5.551 ± 0.8353
ea28 1342 1342/1342 1342 ± 0.00004445 5.604 5.358/6.526 5.79 ± 0.8957
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 ± 0.0000236 5.242 5.135/5.485 5.257 ± 0.3057
5 1342 1342/1342 1342 ± 0.00002924 5.153 4.902/5.29 5.105 ± 0.2783
6 1342 1342/1342 1342 ± 0.0000236 5.248 4.986/5.355 5.189 ± 0.2465
7 1342 1342/1342 1342 ± 0.0000236 5.223 5.048/5.412 5.218 ± 0.2472
8 1342 1342/1342 1342 ± 0.0000236 5.237 5/5.369 5.186 ± 0.2802
9 1342 1342/1342 1342 ± 0.00002383 5.523 5.29/5.709 5.474 ± 0.2822
10 1342 1342/1342 1342 ± 0.00002318 5.945 5.782/6.046 5.902 ± 0.28
11 1342 1342/1342 1342 ± 0.00002318 6.182 6.017/6.381 6.173 ± 0.2818
12 1342 1342/1342 1342 ± 0.00002318 6.324 6.102/6.497 6.329 ± 0.3061
13 1342 1342/1342 1342 ± 0.00002318 6.621 6.408/6.867 6.627 ± 0.352
14 1342 1342/1342 1342 ± 0.00002318 6.848 6.597/7.01 6.784 ± 0.3614
15 1342 1342/1342 1342 ± 0.00002613 6.556 6.321/6.772 6.507 ± 0.3823
16 1342 1342/1342 1342 ± 0.00005732 4.146 4.008/4.288 4.146 ± 0.1988
17 1342 1342/1342 1342 ± 0.00005412 4.119 3.966/4.331 4.15 ± 0.2777
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
output_dir
 
Start time
2024-11-07 19:09:51.290
End
2024-11-07 19:57:22.167
Duration
0:47:30.877
Note, WebLog generation is not included in the time.

CASA logs for stage 8