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

Statwt Summary Plot

VLASS2.1.sb38520431.eb38554942.59063.924480127316_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 5.404 5.314/5.822 5.617 ± 0.4459
ea02 1342 1342/1342 1342 ± 0 5.835 5.483/6.314 5.971 ± 0.51
ea04 1342 1342/1342 1342 ± 0.000006506 5.565 5.226/6.157 5.697 ± 0.4823
ea05 1342 1342/1342 1342 ± 0.000001631 5.585 5.325/5.948 5.668 ± 0.4362
ea06 1342 1342/1342 1342 ± 0 2.918 2.853/3.11 2.997 ± 0.1841
ea07 1342 1342/1342 1342 ± 0 5.444 5.291/5.632 5.473 ± 0.2207
ea08 1342 1342/1342 1342 ± 0 5.743 5.416/6.206 5.841 ± 0.4851
ea09 1342 1342/1342 1342 ± 0 4.686 4.583/5.041 4.773 ± 0.2522
ea10 1342 1342/1342 1342 ± 0 5.441 5.195/6.106 5.607 ± 0.4644
ea11 1342 1342/1342 1342 ± 0 5.785 5.513/6.305 5.901 ± 0.5145
ea12 1342 1342/1342 1342 ± 0 5.506 5.166/5.759 5.53 ± 0.3509
ea13 1342 1342/1342 1342 ± 0 6.03 5.782/6.274 6.065 ± 0.399
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea16 1342 1342/1342 1342 ± 0 4.922 4.821/5.172 4.969 ± 0.2285
ea17 1342 1342/1342 1342 ± 0.000004546 5.975 5.674/6.323 6.068 ± 0.496
ea18 1342 1342/1342 1342 ± 0 5.055 4.772/5.313 5.064 ± 0.348
ea19 1342 1342/1342 1342 ± 0 6.019 5.728/6.267 5.982 ± 0.3348
ea21 1342 1342/1342 1342 ± 0 5.694 5.523/6.236 5.894 ± 0.4577
ea22 1342 1342/1342 1342 ± 0 5.344 5.08/5.742 5.426 ± 0.4158
ea23 1342 1342/1342 1342 ± 0 5.851 5.519/6.425 6.001 ± 0.5892
ea25 1342 1342/1342 1342 ± 0 5.39 5.306/5.475 5.383 ± 0.1607
ea26 1342 1342/1342 1342 ± 0 5.577 5.288/5.87 5.599 ± 0.3315
ea27 1342 1342/1342 1342 ± 0.00001641 5.276 5.062/5.914 5.454 ± 0.4408
ea28 1342 1342/1342 1342 ± 0 5.633 5.438/6.259 5.854 ± 0.5164
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 ± 0.00002618 5.532 5.352/5.652 5.469 ± 0.3079
3 1342 1342/1342 1342 ± 0.00003167 5.242 5.016/5.469 5.305 ± 0.3342
4 1342 1342/1342 1342 ± 0.0000268 5.294 5.138/5.511 5.307 ± 0.3598
5 1342 1342/1342 1342 ± 0.00002618 5.377 5.191/5.532 5.358 ± 0.3124
6 1342 1342/1342 1342 ± 0.00002618 5.27 5.158/5.325 5.236 ± 0.2656
7 1342 1342/1342 1342 ± 0.00002618 5.298 5.138/5.426 5.266 ± 0.2623
8 1342 1342/1342 1342 ± 0.00002618 5.27 4.998/5.415 5.209 ± 0.3174
9 1342 1342/1342 1342 ± 0.00002618 5.603 5.215/5.689 5.419 ± 0.3849
10 1342 1342/1342 1342 ± 0.00002618 5.726 5.515/6.047 5.605 ± 0.6397
11 1342 1342/1342 1342 ± 0.00002618 5.934 5.696/6.216 5.727 ± 0.7497
12 1342 1342/1342 1342 ± 0.00002618 6.029 5.803/6.263 5.833 ± 0.7725
13 1342 1342/1342 1342 ± 0.00002618 6.434 6.084/6.722 6.171 ± 0.8498
14 1342 1342/1342 1342 ± 0.00002618 6.48 6.223/6.877 6.305 ± 0.8662
15 1342 1342/1342 1342 ± 0.00002618 6.135 5.959/6.45 5.965 ± 0.842
16 1342 1342/1342 1342 ± 0.00002915 5.574 5.198/5.782 5.398 ± 0.6985
17 1342 1342/1342 1342 ± 0.0000269 5.519 5.276/5.809 5.418 ± 0.7084
output_dir
 
vis
VLASS2.1.sb38520431.eb38554942.59063.924480127316_split_split.ms
statwtmode
VLASS-SE
overwrite_modelcol
False
datacolumn
residual_data
Start time
2024-03-29 02:13:09.409
End
2024-03-29 02:39:32.784
Duration
0:26:23.375
Note, WebLog generation is not included in the time.

CASA logs for stage 7