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

Statwt Summary Plot

VLASS2.1.sb38667356.eb38705720.59131.46099141204_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 5.618 5.542/6.322 5.934 ± 0.6063
ea02 1342 1342/1342 1342 ± 0.00004169 6.374 5.722/6.796 6.334 ± 0.6276
ea03 1342 1342/1342 1342 ± 0 5.706 4.978/6.097 5.598 ± 0.5816
ea04 1342 1342/1342 1342 ± 0.000005021 5.618 5.184/6.198 5.689 ± 0.5594
ea05 1342 1342/1342 1342 ± 0 6.041 5.594/6.627 5.994 ± 0.6672
ea06 1342 1342/1342 1342 ± 0 4.87 4.832/4.915 4.841 ± 0.1201
ea07 1342 1342/1342 1342 ± 0 6.146 5.751/6.487 6.249 ± 0.6298
ea08 1342 1342/1342 1342 ± 0 6.286 5.772/6.9 6.362 ± 0.6774
ea09 1342 1342/1342 1342 ± 0 5.977 5.462/6.664 6.084 ± 0.7062
ea10 1342 1342/1342 1342 ± 0 6.007 5.624/6.859 6.177 ± 0.6725
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 6.047 5.498/6.544 6.084 ± 0.688
ea13 1342 1342/1342 1342 ± 0 6.51 6.02/6.82 6.374 ± 0.6357
ea14 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea15 1342 1342/1342 1342 ± 0 6.19 5.713/6.672 6.262 ± 0.6883
ea16 1342 1342/1342 1342 ± 0 6.415 5.955/6.966 6.43 ± 0.7417
ea17 1342 1342/1342 1342 ± 0 6.559 6.076/7.353 6.684 ± 0.6573
ea18 1342 1342/1342 1342 ± 0 5.189 4.837/5.624 5.251 ± 0.5172
ea19 1342 1342/1342 1342 ± 0 6.296 5.686/6.784 6.211 ± 0.6495
ea20 1342 1342/1342 1342 ± 0 6.179 5.639/6.688 6.12 ± 0.6663
ea21 1342 1342/1342 1342 ± 0 5.846 5.68/6.558 6.08 ± 0.6208
ea22 1342 1342/1342 1342 ± 0 6.115 5.456/6.403 5.98 ± 0.576
ea23 1342 1342/1342 1342 ± 0 6.062 5.743/6.737 6.249 ± 0.699
ea24 1342 1342/1342 1342 ± 0 6.321 5.671/6.818 6.193 ± 0.6801
ea25 1342 1342/1342 1342 ± 0 5.84 5.497/6.426 5.939 ± 0.5979
ea26 1342 1342/1342 1342 ± 0 6.607 5.994/7.208 6.582 ± 0.7337
ea27 1342 1342/1342 1342 ± 0 5.747 5.627/6.571 5.994 ± 0.6205
ea28 1342 1342/1342 1342 ± 0 5.826 5.434/6.431 5.918 ± 0.6264
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 ± 0.00002358 5.712 5.455/5.818 5.618 ± 0.3357
4 1342 1342/1342 1342 ± 0.00002554 4.944 4.754/5.133 4.908 ± 0.2351
5 1342 1342/1342 1342 ± 0.00002358 5.61 5.446/5.815 5.59 ± 0.3594
6 1342 1342/1342 1342 ± 0.00002358 5.588 5.429/5.779 5.562 ± 0.3483
7 1342 1342/1342 1342 ± 0.00002358 5.635 5.471/5.71 5.571 ± 0.3187
8 1342 1342/1342 1342 ± 0.00002358 5.533 5.318/5.702 5.483 ± 0.3511
9 1342 1342/1342 1342 ± 0.00002358 5.815 5.547/6.113 5.745 ± 0.3881
10 1342 1342/1342 1342 ± 0.00002403 6.296 6.078/6.454 6.23 ± 0.3439
11 1342 1342/1342 1342 ± 0.00002403 6.51 6.271/6.624 6.44 ± 0.3233
12 1342 1342/1342 1342 ± 0.00002403 6.577 6.436/6.79 6.598 ± 0.361
13 1342 1342/1342 1342 ± 0.00002403 7.065 6.927/7.202 7.045 ± 0.3736
14 1342 1342/1342 1342 ± 0.00002403 7.191 7.033/7.505 7.225 ± 0.3998
15 1342 1342/1342 1342 ± 0.00002403 6.885 6.664/7.156 6.87 ± 0.3696
16 1342 1342/1342 1342 ± 0.0000245 6.225 5.931/6.561 6.233 ± 0.3727
17 1342 1342/1342 1342 ± 0.0000245 6.244 6.03/6.484 6.257 ± 0.3526
output_dir
 
datacolumn
residual_data
vis
VLASS2.1.sb38667356.eb38705720.59131.46099141204_split_split.ms
overwrite_modelcol
False
statwtmode
VLASS-SE
Start time
2025-01-11 02:50:21.252
End
2025-01-11 03:51:20.558
Duration
1:00:59.306
Note, WebLog generation is not included in the time.

CASA logs for stage 8