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 5.414 5.343/6.215 5.541 ± 0.8435
ea02 1342 1342/1342 1342 ± 0.00004305 5.986 5.412/6.717 5.89 ± 0.9598
ea04 1342 1342/1342 1342 ± 0.00001699 5.502 5.101/6.04 5.417 ± 0.8027
ea05 1342 1342/1342 1342 ± 0.0000243 5.762 5.315/6.55 5.901 ± 0.8206
ea06 1342 1342/1342 1342 ± 0.00002779 5.283 4.882/5.816 5.196 ± 0.758
ea07 1342 1342/1342 1342 ± 0.00004248 5.959 5.414/6.348 5.773 ± 0.893
ea08 1342 1342/1342 1342 ± 0.00004356 6.157 5.674/6.997 6.118 ± 1.039
ea09 1342 1342/1342 1342 ± 0.00003113 5.405 5.007/5.883 5.338 ± 0.6574
ea10 1342 1342/1342 1342 ± 0.00004265 5.29 4.826/5.993 5.226 ± 0.794
ea11 1342 1342/1342 1342 ± 0.00004336 6.061 5.488/6.672 5.9 ± 0.9512
ea12 1342 1342/1342 1342 ± 0.00003322 5.822 5.452/6.612 5.803 ± 0.9436
ea13 1342 1342/1342 1342 ± 0.00001768 5.78 5.627/6.33 5.891 ± 0.7347
ea14 1342 1342/1342 1342 ± 0.00003464 5.86 5.491/6.735 5.926 ± 0.8568
ea15 1342 1342/1342 1342 ± 0.000009518 5.691 5.388/6.54 5.737 ± 0.9501
ea16 1342 1342/1342 1342 ± 0.00003467 6.088 5.663/6.962 6.074 ± 0.9366
ea17 1342 1342/1342 1342 ± 0.00004382 6.079 5.619/6.883 6.019 ± 1.015
ea18 1342 1342/1342 1342 ± 0.00004288 5.07 4.897/5.78 5.119 ± 0.6867
ea19 1342 1342/1342 1342 ± 0.00001092 6.113 5.729/6.837 6.188 ± 0.8326
ea20 1342 1342/1342 1342 ± 0.00003953 6.087 5.946/6.969 6.15 ± 1.034
ea21 1342 1342/1342 1342 ± 0.00003248 5.757 5.436/6.498 5.792 ± 0.8106
ea22 1342 1342/1342 1342 ± 0.00004261 5.482 5.189/6.495 5.679 ± 0.8708
ea23 1342 1342/1342 1342 ± 0.00004927 6.481 6.237/6.779 6.032 ± 1.176
ea24 1342 1342/1342 1342 ± 0.00001947 5.273 4.93/6.108 5.446 ± 0.6915
ea25 1342 1342/1342 1342 ± 0.00004314 5.736 5.401/6.465 5.689 ± 0.9031
ea26 1342 1342/1342 1342 ± 0.00003421 5.882 5.748/6.937 6.085 ± 0.9
ea27 1342 1342/1342 1342 ± 0.00004279 5.704 5.469/6.581 5.736 ± 0.8997
ea28 1342 1342/1342 1342 ± 0.0000439 5.869 5.563/6.781 5.936 ± 0.9721
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 ± 0.00002361 5.509 5.357/5.771 5.506 ± 0.3467
5 1342 1342/1342 1342 ± 0.00002396 5.49 5.183/5.655 5.423 ± 0.3523
6 1342 1342/1342 1342 ± 0.00002361 5.437 5.137/5.596 5.376 ± 0.2888
7 1342 1342/1342 1342 ± 0.00002361 5.42 5.221/5.63 5.423 ± 0.2907
8 1342 1342/1342 1342 ± 0.00002361 5.433 5.103/5.644 5.393 ± 0.3331
9 1342 1342/1342 1342 ± 0.00002389 5.731 5.364/5.958 5.685 ± 0.3346
10 1342 1342/1342 1342 ± 0.00002318 6.225 5.934/6.3 6.123 ± 0.3356
11 1342 1342/1342 1342 ± 0.00002318 6.473 6.106/6.664 6.409 ± 0.3413
12 1342 1342/1342 1342 ± 0.00002318 6.614 6.294/6.799 6.556 ± 0.3717
13 1342 1342/1342 1342 ± 0.00002318 6.892 6.562/7.129 6.816 ± 0.4198
14 1342 1342/1342 1342 ± 0.00002325 6.781 6.383/7.029 6.699 ± 0.4798
15 1342 1342/1342 1342 ± 0.00002485 6.644 6.281/6.867 6.549 ± 0.4401
16 1342 1342/1342 1342 ± 0.00005736 4.045 3.844/4.309 4.074 ± 0.2977
17 1342 1342/1342 1342 ± 0.0000587 4.093 3.905/4.472 4.184 ± 0.3696
vis
VLASS2.1.sb38499285.eb38509861.59047.50492306713_split_split.ms
output_dir
 
overwrite_modelcol
False
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2024-11-07 23:54:49.719
End
2024-11-08 01:01:02.196
Duration
1:06:12.476
Note, WebLog generation is not included in the time.

CASA logs for stage 8