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

Statwt Summary Plot

VLASS2.2.sb41027522.eb41031268.59557.25108456019_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 6.036 5.74/6.803 6.203 ± 0.7696
ea03 1342 1342/1342 1342 ± 0.000004484 5.507 4.956/6.465 5.654 ± 0.8663
ea04 1342 1342/1342 1342 ± 0 5.631 5.21/6.422 5.811 ± 0.7895
ea05 1342 1342/1342 1342 ± 0 6.089 5.55/6.977 6.238 ± 0.76
ea06 1342 1342/1342 1342 ± 0 6.083 5.421/6.557 6.03 ± 0.7648
ea07 1342 1342/1342 1342 ± 0 6.023 5.381/6.447 5.968 ± 0.7954
ea08 1342 1342/1342 1342 ± 0.000002837 5.781 5.31/6.613 5.965 ± 0.8407
ea09 1342 1342/1342 1342 ± 0 6.048 5.468/6.904 6.08 ± 0.8455
ea10 1342 1342/1342 1342 ± 0 6.392 5.527/7.036 6.299 ± 0.7535
ea11 1342 1342/1342 1342 ± 0 6.155 5.242/6.671 6.001 ± 0.9202
ea12 1342 1342/1342 1342 ± 0 6.183 5.531/6.845 6.207 ± 0.9354
ea13 1342 1342/1342 1342 ± 0 5.575 5.477/6.15 5.708 ± 0.6764
ea14 1342 1342/1342 1342 ± 0 6.158 5.576/6.859 6.202 ± 0.8999
ea15 1342 1342/1342 1342 ± 0 5.763 5.289/6.375 5.822 ± 0.7823
ea16 1342 1342/1342 1342 ± 0 6.212 5.656/6.907 6.254 ± 0.9309
ea17 1342 1342/1342 1342 ± 0 6.521 6.015/7.561 6.718 ± 0.9262
ea18 1342 1342/1342 1342 ± 0 5.164 4.672/5.55 5.17 ± 0.5275
ea19 1342 1342/1342 1342 ± 0 6.233 5.653/6.948 6.297 ± 0.9177
ea20 1342 1342/1342 1342 ± 0 5.859 5.383/6.527 5.918 ± 0.8182
ea21 1342 1342/1342 1342 ± 0 5.255 4.943/5.843 5.346 ± 0.6264
ea22 1342 1342/1342 1342 ± 0 5.963 5.305/6.598 5.964 ± 0.8558
ea23 1342 1342/1342 1342 ± 0 6.368 5.61/6.781 6.262 ± 0.7835
ea24 1342 1342/1342 1342 ± 0.00002381 5.67 5.18/6.448 5.636 ± 0.9325
ea25 1342 1342/1342 1342 ± 0 6.335 5.568/7.08 6.314 ± 1.017
ea26 1342 1342/1342 1342 ± 0.000001196 6.566 5.868/7.394 6.506 ± 0.9296
ea27 1342 1342/1342 1342 ± 0 6.083 5.401/6.909 6.13 ± 0.7915
ea28 1342 1342/1342 1342 ± 0 6.03 5.714/6.901 6.268 ± 0.8393
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 ± 0.00002305 5.461 5.187/5.671 5.414 ± 0.3126
3 1342 1342/1342 1342 ± 0.00002994 5.018 4.808/5.226 4.979 ± 0.4521
4 1342 1342/1342 1342 ± 0.00002568 4.311 4.253/4.39 4.363 ± 0.2808
5 1342 1342/1342 1342 ± 0.00002305 5.544 5.235/5.637 5.447 ± 0.3275
6 1342 1342/1342 1342 ± 0.00002305 5.45 5.25/5.639 5.417 ± 0.2966
7 1342 1342/1342 1342 ± 0.00002305 5.524 5.342/5.67 5.488 ± 0.2926
8 1342 1342/1342 1342 ± 0.00002305 5.451 5.212/5.656 5.434 ± 0.3289
9 1342 1342/1342 1342 ± 0.00002305 5.794 5.547/5.988 5.75 ± 0.3253
10 1342 1342/1342 1342 ± 0.00002305 6.43 6.136/6.539 6.312 ± 0.3384
11 1342 1342/1342 1342 ± 0.00002305 6.652 6.41/6.786 6.557 ± 0.3615
12 1342 1342/1342 1342 ± 0.00002305 6.785 6.49/6.947 6.708 ± 0.4336
13 1342 1342/1342 1342 ± 0.00002305 7.213 6.991/7.576 7.208 ± 0.4597
14 1342 1342/1342 1342 ± 0.00002305 7.439 7.108/7.702 7.387 ± 0.467
15 1342 1342/1342 1342 ± 0.00002305 7.06 6.757/7.356 7.017 ± 0.4335
16 1342 1342/1342 1342 ± 0.00002305 6.395 6.111/6.746 6.391 ± 0.4451
17 1342 1342/1342 1342 ± 0.00002305 6.369 6.084/6.572 6.305 ± 0.4693
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
vis
VLASS2.2.sb41027522.eb41031268.59557.25108456019_split_split.ms
output_dir
 
Start time
2025-06-11 07:40:45.182
End
2025-06-11 08:38:49.295
Duration
0:58:04.113
Note, WebLog generation is not included in the time.

CASA logs for stage 8