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

Statwt Summary Plot

VLASS2.1.sb38469526.eb38577573.59079.23044392361_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 5.611 5.396/6.309 5.851 ± 0.5736
ea02 1342 1342/1342 1342 ± 0.00002528 6.13 5.68/6.796 6.293 ± 0.6584
ea04 1342 1342/1342 1342 ± 0.000001636 5.389 5.109/5.929 5.533 ± 0.545
ea05 1342 1342/1342 1342 ± 0.000002314 5.65 5.406/6.443 5.894 ± 0.6091
ea06 1342 1342/1342 1342 ± 0.000008324 4.951 4.577/5.249 4.915 ± 0.4192
ea07 1342 1342/1342 1342 ± 0.000044 6.02 5.45/6.495 6.05 ± 0.7224
ea08 1342 1342/1342 1342 ± 0.00002748 6.347 5.726/7.046 6.441 ± 0.7745
ea09 1342 1342/1342 1342 ± 0 5.803 5.432/6.524 5.967 ± 0.6309
ea10 1342 1342/1342 1342 ± 0.00004404 5.759 5.184/6.404 5.854 ± 0.6815
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0.00001497 5.671 5.339/6.559 5.925 ± 0.7162
ea13 1342 1342/1342 1342 ± 0 6.403 5.819/6.52 6.327 ± 0.5428
ea14 1342 1342/1342 1342 ± 0.00002509 5.828 5.43/6.642 6.046 ± 0.7326
ea15 1342 1342/1342 1342 ± 0.000001636 5.306 5.028/6.04 5.596 ± 0.6272
ea16 1342 1342/1342 1342 ± 0 5.989 5.604/6.76 6.196 ± 0.7541
ea17 1342 1342/1342 1342 ± 0.00004404 6.254 5.839/6.901 6.401 ± 0.7485
ea18 1342 1342/1342 1342 ± 0.00003957 5.107 4.832/5.786 5.324 ± 0.5802
ea19 1342 1342/1342 1342 ± 0.00001321 5.755 5.553/6.728 6.149 ± 0.6534
ea20 1342 1342/1342 1342 ± 0.00002082 6.055 5.823/6.845 6.266 ± 0.7711
ea21 1342 1342/1342 1342 ± 0.00001129 5.662 5.349/6.369 5.887 ± 0.6197
ea22 1342 1342/1342 1342 ± 0 5.898 5.532/6.338 5.962 ± 0.6052
ea23 1342 1342/1342 1342 ± 0.00004203 6.049 5.513/6.851 6.211 ± 0.8286
ea25 1342 1342/1342 1342 ± 0.00004393 5.73 5.427/6.323 5.934 ± 0.7034
ea26 1342 1342/1342 1342 ± 0 6.008 5.671/6.601 6.147 ± 0.5168
ea27 1342 1342/1342 1342 ± 0.00004404 5.706 5.392/6.613 5.994 ± 0.6915
ea28 1342 1342/1342 1342 ± 0.00004208 5.846 5.589/6.779 6.142 ± 0.7728
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 ± 0.00002726 5.499 5.142/5.668 5.447 ± 0.316
5 1342 1342/1342 1342 ± 0.00002436 5.667 5.457/5.956 5.671 ± 0.3795
6 1342 1342/1342 1342 ± 0.00002394 5.449 5.255/5.611 5.418 ± 0.3083
7 1342 1342/1342 1342 ± 0.00002394 5.464 5.214/5.645 5.414 ± 0.2998
8 1342 1342/1342 1342 ± 0.00002394 5.495 5.172/5.591 5.386 ± 0.3219
9 1342 1342/1342 1342 ± 0.00002394 5.731 5.492/5.977 5.655 ± 0.3758
10 1342 1342/1342 1342 ± 0.00002394 6.181 5.965/6.31 6.091 ± 0.3632
11 1342 1342/1342 1342 ± 0.00002394 6.334 6.225/6.614 6.345 ± 0.3761
12 1342 1342/1342 1342 ± 0.00002394 6.568 6.436/6.768 6.537 ± 0.402
13 1342 1342/1342 1342 ± 0.00002394 7.005 6.867/7.229 6.984 ± 0.4439
14 1342 1342/1342 1342 ± 0.00002394 7.202 6.951/7.465 7.158 ± 0.4735
15 1342 1342/1342 1342 ± 0.00002394 6.561 6.321/6.861 6.525 ± 0.4916
16 1342 1342/1342 1342 ± 0.00006049 5.118 4.876/5.473 5.169 ± 0.4204
17 1342 1342/1342 1342 ± 0.0000584 5.383 5.212/5.686 5.453 ± 0.4272
overwrite_modelcol
False
output_dir
 
vis
VLASS2.1.sb38469526.eb38577573.59079.23044392361_split_split.ms
datacolumn
residual_data
statwtmode
VLASS-SE
Start time
2025-01-01 02:59:32.106
End
2025-01-01 03:31:23.707
Duration
0:31:51.602
Note, WebLog generation is not included in the time.

CASA logs for stage 8