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

Statwt Summary Plot

VLASS2.2.sb40880919.eb41034540.59559.16303170139_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 6.275 5.958/6.825 6.476 ± 0.5986
ea03 1342 1342/1342 1342 ± 0.00001565 5.688 5.193/6.691 5.898 ± 0.7183
ea04 1342 1342/1342 1342 ± 0 6.196 5.76/6.711 6.316 ± 0.6276
ea05 1342 1342/1342 1342 ± 0 6.11 5.734/6.979 6.305 ± 0.7143
ea06 1342 1342/1342 1342 ± 0 6.305 5.892/6.743 6.353 ± 0.5635
ea07 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea08 1342 1342/1342 1342 ± 0.00001127 6.045 5.702/6.694 6.233 ± 0.5982
ea09 1342 1342/1342 1342 ± 0 6.257 5.675/6.91 6.337 ± 0.6777
ea10 1342 1342/1342 1342 ± 0 7.098 6.767/7.355 6.993 ± 0.4595
ea11 1342 1342/1342 1342 ± 0 6.188 5.63/6.812 6.28 ± 0.6936
ea12 1342 1342/1342 1342 ± 0 6.458 5.955/7.028 6.571 ± 0.6552
ea13 1342 1342/1342 1342 ± 0.000001707 5.737 5.34/6.025 5.775 ± 0.4274
ea14 1342 1342/1342 1342 ± 0 6.313 5.918/7.041 6.543 ± 0.6512
ea15 1342 1342/1342 1342 ± 0 5.924 5.512/6.579 6.063 ± 0.6071
ea16 1342 1342/1342 1342 ± 0 6.47 6.06/7 6.573 ± 0.6724
ea17 1342 1342/1342 1342 ± 0 6.883 6.581/7.851 7.124 ± 0.6691
ea18 1342 1342/1342 1342 ± 0 5.102 4.782/5.482 5.142 ± 0.4558
ea19 1342 1342/1342 1342 ± 0 6.464 6.106/7.298 6.674 ± 0.68
ea20 1342 1342/1342 1342 ± 0 5.742 5.639/6.614 6.021 ± 0.5667
ea21 1342 1342/1342 1342 ± 0 5.488 5.263/5.971 5.648 ± 0.4316
ea22 1342 1342/1342 1342 ± 0 6.201 5.717/6.601 6.142 ± 0.5491
ea23 1342 1342/1342 1342 ± 0 6.09 5.969/6.872 6.442 ± 0.6561
ea24 1342 1342/1342 1342 ± 0 6.066 5.445/6.55 5.991 ± 0.5462
ea25 1342 1342/1342 1342 ± 0.000002107 6.763 6.091/6.985 6.725 ± 0.7468
ea26 1342 1342/1342 1342 ± 0 6.704 6.283/7.409 6.803 ± 0.6612
ea27 1342 1342/1342 1342 ± 0 6.038 5.777/7.019 6.35 ± 0.6446
ea28 1342 1342/1342 1342 ± 0 6.224 5.948/7.076 6.479 ± 0.6355
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 ± 0.00002393 5.912 5.723/6.183 5.868 ± 0.3631
4 1342 1342/1342 1342 ± 0.00002414 5.522 5.305/5.79 5.552 ± 0.4627
5 1342 1342/1342 1342 ± 0.00002393 5.86 5.65/6.053 5.818 ± 0.3845
6 1342 1342/1342 1342 ± 0.00002393 5.769 5.523/5.876 5.692 ± 0.3326
7 1342 1342/1342 1342 ± 0.00002393 5.855 5.588/5.944 5.761 ± 0.3474
8 1342 1342/1342 1342 ± 0.00002393 5.641 5.465/5.965 5.707 ± 0.3964
9 1342 1342/1342 1342 ± 0.00002393 6.008 5.722/6.273 5.988 ± 0.3956
10 1342 1342/1342 1342 ± 0.00002348 6.573 6.196/6.643 6.429 ± 0.3835
11 1342 1342/1342 1342 ± 0.00002348 6.708 6.533/6.954 6.664 ± 0.4052
12 1342 1342/1342 1342 ± 0.00002348 6.85 6.604/7.047 6.801 ± 0.47
13 1342 1342/1342 1342 ± 0.00002348 7.341 7.028/7.649 7.262 ± 0.522
14 1342 1342/1342 1342 ± 0.00002348 7.503 7.211/7.765 7.451 ± 0.5283
15 1342 1342/1342 1342 ± 0.00002348 7.088 6.733/7.438 7.045 ± 0.5166
16 1342 1342/1342 1342 ± 0.00002348 6.224 5.88/6.606 6.244 ± 0.5262
17 1342 1342/1342 1342 ± 0.00002744 6.218 5.809/6.475 6.127 ± 0.5116
statwtmode
VLASS-SE
vis
VLASS2.2.sb40880919.eb41034540.59559.16303170139_split_split.ms
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2025-06-12 04:00:40.220
End
2025-06-12 05:01:35.782
Duration
1:00:55.562
Note, WebLog generation is not included in the time.

CASA logs for stage 8